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Abelia × grandiflora (Glossy Abelia)
Abelia × grandiflora 'Edward Goucher' (Edward Goucher abela)
Abelia × grandiflora 'Kaleidoscope' (Kaleidoscope Abelia)
Abelia grandiflora 'Kaleidoscope' (Kaleidoscope Glossy Abelia)
Abelia × grandiflora 'Sunrise' (Sunrise Glossy Abelia)
Abeliophyllum distichum (White Forsythia)
Abies amabilis (Pacific Silver Fir)
Abies balsamea (Balsam Fir)
Abies balsamea 'Nana' (Dwarf Balsam Fir)
Abies borisii-regis (Bulgarian Fir)
Abies concolor (white fir)
Abies delavayi (Delavay Fir)
Abies fraseri (Fraser Fir)
Abies grandis (grand fir)
Abies koreana (Korean fir)
Abies koreana 'Kohout's Ice Breaker' (Kohout's ice breaker fir)
Abies koreana 'Silberlocke' (Silberlocke Korean Fir)
Abies lasiocarpa (alpine fir)
Abies magnifica (California Red Fir)
Abies numidica (Algerian Fir)
Abies pinsapo (Spanish fir)
Abies pinsapo 'Glauca' (Blue Spanish Fir)
Abies procera (Noble Fir)
Acanthocereus tetragonus (Fairy Castle Cactus)
Acanthus mollis (bear's breech)
Acanthus spinosus (Spiny Bear's Breeches)
Acer buergerianum (Trident Maple)
Acer campestre (Field Maple)
Acer capillipes (Snakebark Maple)
Acer circinatum (Vine maple)
Acer cissifolium (Ivy-leaved Maple)
Acer crataegifolium (Hawthorn-leaved Maple)
Acer davidii (snakebark maple)
Acer × freemanii 'Jeffersred' (Autumn Flame Maple)
Acer griseum (paperbark maple)
Acer macrophyllum (bigleaf maple)
Acer negundo (Box Elder)
Acer palmatum (Japanese maple)
Acer palmatum 'Atropurpureum' (red Japanese maple)
Acer palmatum 'Red Dragon' (Red Dragon Japanese Maple)
Acer palmatum 'Seiryû' (Seiryu Japanese Maple)
Acer palmatum 'Shaina' (Shaina Japanese Maple)
Acer palmatum var. dissectum (laceleaf Japanese maple)
Acer palmatum var. dissectum 'Dissectum Atropurpreum' (weeping red laceleaf Japanese maple)
Acer palmatum 'Viridis' (Viridis Japanese Maple)
Acer palmatum 'Wolff' (Wolff Japanese Maple)
Acer pictum (Painted Maple)
Acer platanoides (Norway maple)
Acer platanoides 'Crimson King' (Crimson King maple)
Acer pseudoplatanus (sycamore maple)
Acer pseudosieboldianum (Korean Maple)
Acer rubrum (red maple)
Acer saccharinum (silver maple)
Acer saccharum (sugar maple)
Acer shirasawanum 'Aureum' (Golden Full Moon Maple)
Acer shirasawanum 'Autumn Moon' (Autumn Moon Maple)
Acer sieboldianum (Siebold Maple)
Acer tataricum subsp. ginnala (Amur maple)
Acer tegmentosum (Manchurian Striped Maple)
Acer tegmentosum 'Joe Witt' (Joe Witt Striped Maple)
Acer triflorum (Three-flower Maple)
Acer truncatum (Shantung Maple)
Achillea ageratifolia (Greek Yarrow)
Achillea millefolium (common yarrow)
Achlys triphylla (vanilla-leaf)
Aconitum carmichaelii (Azure Monkshood)
Aconitum columbianum (Columbian Monkshood)
Aconitum hemsleyanum (Climbing Monkshood)
Aconitum napellus (Common Monkshood)
Acorus gramineus 'Ogon' (Golden Variegated Sweet Flag)
Actaea pachypoda (White Baneberry)
Actaea racemosa (Black Cohosh)
Actinidia deliciosa (kiwi)
Adenium obesum (Desert Rose)
Adiantum aleuticum (western maidenhair fern)
Adiantum pedatum (Northern Maidenhair Fern)
Adiantum raddianum (Maidenhair Fern)
Adiantum venustum (Himalayan maidenhair fern)
Adonidia merrillii (Christmas Palm)
Aechmea fasciata (Silver Vase Bromeliad)
Aesculus californica (California Buckeye)
Aesculus × carnea 'Briotii' (red horse chestnut)
Aesculus chinensis (Chinese Horse Chestnut)
Aesculus flava (Yellow Buckeye)
Aesculus glabra (Ohio Buckeye)
Aesculus hippocastanum (horse chestnut)
Aesculus indica (Indian Horse Chestnut)
Aesculus parviflora (Bottlebrush Buckeye)
Aesculus turbinata (Japanese Horse Chestnut)
Agapanthus africanus (lily of the Nile)
Agastache foeniculum (Anise Hyssop)
Agastache rupestris (Sunset Hyssop)
Agastache spp. (hyssop)
Agave americana (Century Plant)
Agave attenuata (Fox Tail Agave)
Agave geminiflora (Twin Flower Agave Plant)
Agave vilmoriniana (Octopus Agave)
Ailanthus altissima (tree of heaven)
Ajuga reptans (creeping bugleweed)
Akebia quinata (five-leaved akebia)
Albizia julibrissin (silk tree)
Alcea rosea (common hollyhock)
Alchemilla conjuncta (Silver Lady's Mantle)
Alchemilla mollis (Lady's Mantle)
Alisma plantago-aquatica (water-plantain)
Allamanda cathartica (Allamanda Vine)
Alliaria petiolata (garlic mustard)
Allium atropurpureum (Dark Purple Allium)
Allium cepa 'Australian Brown' (Australian Brown Onion)
Allium cepa 'Bridger' (Bridger Onion)
Allium cepa 'Cabernet' (Cabernet Red Onion)
Allium cepa 'Candy' (Candy Onion)
Allium cepa 'Copra' (Copra Onion)
Allium cepa 'Granex' (Granex Onion)
Allium cepa 'Patterson' (Patterson Onion)
Allium cepa 'Red Baron' (Red Baron Scallion)
Allium cepa 'Red Candy Apple' (Red Candy Apple Onion)
Allium cepa 'Red Creole' (Red Creole Onion)
Allium cepa 'Red Wing' (Red Wing Storage Onion)
Allium cepa 'Superstar' (Superstar Onion)
Allium cepa 'Super Star' (Super Star Onion)
Allium cepa 'Texas Super Sweet' (Texas Super Sweet Onion)
Allium cepa 'Walla Walla' (Walla Walla Sweet Onion)
Allium cepa 'Yellow Granex' (Yellow Granex Onion)
Allium cepa 'Yellow Sweet Spanish' (Yellow Sweet Spanish Onion)
Allium cernuum (Nodding Onion)
Allium cristophii (Star of Persia)
Allium fistulosum (Welsh Onion (Scallions))
Allium fistulosum 'Evergreen Hardy White' (Evergreen Hardy White Bunching Onion)
Allium 'Globemaster' (globemaster onion)
Allium moly (Golden Garlic)
Allium 'Mount Everest' (Mount Everest Allium)
Allium 'Red Giant' (Red Giant Ornamental Onion)
Allium sativum 'California Early' (California Early Softneck Garlic)
Allium sativum 'Music' (Music Hardneck Garlic)
Allium schoenoprasum (Chives)
Allium schubertii (satellite onion)
Allium sphaerocephalon (Drumstick Allium)
Allium tuberosum (Garlic Chives)
Allium unifolium (one-leaved onion)
Alnus rubra (red alder)
Alocasia odora (Upright Elephant Ear)
Alocasia reginula (Black Velvet Alocasia)
Alocasia zebrina (Zebra Alocasia)
Aloe vera (Aloe Vera)
Amaryllis belladonna (Belladonna Lily)
Amelanchier alnifolia (serviceberry)
Amelanchier ssp. (serviceberry)
Amsonia ciliata (Fringed Bluestar)
Amsonia hubrichtii (Arkansas Bluestar)
Amsonia illustris (Shining Bluestar)
Amsonia tabernaemontana (Eastern Bluestar)
Ananas comosus (Pineapple Plant)
Anaphalis margaritacea (pearly everlasting)
Anaphalis triplinervis (Triple-Veined Pearly Everlasting)
Anasa tristis (Squash Bug)
Anchusa azurea (Italian bugloss)
Anchusa officinalis (common bugloss)
Andropogon virginicus (Broomsedge Bluestem)
Anemanthele lessoniana (New Zealand Wind Grass)
Anemone blanda (windflower)
Anemone nemorosa (wood anemone)
Anemone x hybrida (Japanese anemone)
Anemonopsis macrophylla (False Anemone)
Anethum graveolens (Dill)
Angelica gigas (Korean Angelica)
Annona muricata (Soursop)
Annona squamosa (Sugar Apple)
Anthemis cotula (chamomile)
Anthriscus cerefolium (Chervil)
Anthriscus sylvestris (wild chervil)
Anthurium andraeanum (Flamingo Flower)
Anthurium clarinervium (Velvet Cardboard Anthurium)
Antirrhinum majus (snapdragon)
Aponogeton natans (floating water hawthorn)
Aquilegia canadensis (Wild Columbine)
Aquilegia vulgaris (columbine)
Arachniodes simplicior (Variegated Holly Fern)
Araucaria araucana (Monkey Puzzle Tree)
Araucaria heterophylla (Norfolk Island Pine)
Arbutus menziesii (madrone)
Arbutus unedo (strawberry tree)
Arctium minus (burrdock)
Arctostaphylos columbiana (hairy manzanita)
Arctostaphylos spp. (manzanita)
Arctostaphylos uva-ursi (kinnikinnick)
Arisaema candidissimum (White Jack-in-the-pulpit)
Arisaema consanguineum (Cobra Lily)
Arisaema ringens (Japanese Cobra Plant)
Arisaema sikokianum (Shikoku Cobra Lily)
Arisaema taiwanense (Formosa Cobra Lily)
Arisaema triphyllum (Jack-in-the-pulpit)
Arisarum proboscideum (Mouse Plant)
Armeria maritima (sea thift)
Artemisia abrotanum (Southernwood)
Artemisia dracunculus (French Tarragon)
Artemisia lactiflora (White Mugwort)
Artemisia pontica (Roman Wormwood)
Arthropodium candidum (White Rock Lily)
Arum italicum (lords and ladies)
Aruncus dioicus (goatsbeard)
Asarum caudatum (Wild Ginger)
Asarum europaeum (European Wild Ginger)
Asarum splendens (Chinese Wild Ginger)
Asclepias incarnata (Swamp Milkweed)
Asclepias tuberosa (Butterfly Weed)
Asclepias verticillata (Whorled Milkweed)
Asimina triloba (Pawpaw)
Aspidistra elatior (Cast Iron Plant)
Asplenium nidus (Bird's Nest Fern)
Asplenium scolopendrium (Harts Tongue Fern)
Asplenium trichomanes (Maidenhair Spleenwort)
Aster spp. (aster)
Astilbe spp. (astilbe)
Astrantia major (Great Masterwort)
Astrantia maxima (Large Masterwort)
Athyrium filix-femina (lady fern)
Athyrium otophorum (Eared Lady Fern)
Aucuba japonica (Japanese aucuba)
Aucuba japonica 'Gold Dust' (Gold Dust aucuba)
Azadirachta indica (Neem Tree)
Azara microphylla (Boxleaf azara)
Ballota nigra (Black Horehound)
Baptisia australis (Blue Wild Indigo)
Beaucarnea recurvata (Ponytail Palm)
Beesia deltophylla (beesia)
Begonia grandis ssp. evansiana (Hardy Begonia)
Belamcanda chinensis (Blackberry Lily)
Berberis aquifolium (tall Oregon-grape)
Berberis buxifolia 'Nana' (Dwarf Magellan Barberry)
Berberis candidula (Paleleaf Barberry)
Berberis darwinii (Darwin's barberry)
Berberis gladwynensis 'William Penn' (William Penn Barberry)
Berberis julianae (Wintergreen barberry)
Berberis nervosa (Oregon-grape)
Berberis thunbergii f. atropurpurea (purpleleaf or redleaf Japanese barberry)
Berberis thunbergii f. atropurpurea 'Atropurpurea Nana' (Crimson Pygmy barberry)
Berberis thunbergii f. atropurpurea 'Helmond Pillar' (Helmond Pillar Japanese barberry)
Berberis thunbergii f. atropurpurea 'Rose Glow' (Rose Glow Japanese barberry)
Berberis verruculosa (Warty barberry)
Berberis x gladwynensis (Gladwyne barberry)
Berberis x gladwynensis 'William Penn' (William Penn barberry)
Bergenia ciliata (Frilly Bergenia)
Bergenia crassifolia (Heartleaf bergenia)
Bergenia spp. (bergenia)
Betula alleghaniensis (Yellow Birch)
Betula nigra (River Birch)
Betula nigra 'Cully' (Heritage® river birch)
Betula papyrifera (paper birch)
Betula pendula (European white birch)
Betula pendula 'Dalecarlica' (cutleaf weeping birch)
Betula utilis ssp. jacquemontii (Himalayan white birch)
Bigelowia nuttallii (Nuttall's Rayless Goldenrod)
Bismarckia nobilis (Bismarck Palm)
Blechnum penna-marina (Alpine Water Fern)
Borago officinalis (borage)
Bougainvillea spectabilis (Bougainvillea)
Bouteloua curtipendula (Sideoats Grama)
Bouteloua gracilis (Blue Grama Grass)
Brachyglottis Dunedin Hybrid 'Sunshine' (Sunshine Daisy Bush)
Brassica juncea 'Osaka Purple' (Osaka Purple Mustard Greens)
Brassica juncea 'Red Giant' (Red Giant Mustard Greens)
Brassica napus 'Dwarf Essex' (Dwarf Essex Rape (Turnip Greens))
Brassica napus 'Red Russian' (Red Russian Kale)
Brassica oleracea 'Calabrese' (Calabrese Broccoli)
Brassica oleracea 'Cheddar' (Cheddar Cauliflower)
Brassica oleracea 'Copenhagen Market' (Copenhagen Market Cabbage)
Brassica oleracea 'Diablo' (Diablo Brussels Sprouts)
Brassica oleracea 'Di Cicco' (Di Cicco Broccoli)
Brassica oleracea 'Early Jersey Wakefield' (Early Jersey Wakefield Cabbage)
Brassica oleracea 'Georgia Southern' (Georgia Southern Collard Greens)
Brassica oleracea 'Lacinato' (Lacinato Kale)
Brassica oleracea 'Long Island Improved' (Long Island Improved Brussels Sprouts)
Brassica oleracea 'Purple of Sicily' (Purple of Sicily Cauliflower)
Brassica oleracea 'Red Acre' (Red Acre Cabbage)
Brassica oleracea 'Redbor' (Redbor Kale)
Brassica oleracea 'Red Russian' (Red Russian Kale)
Brassica oleracea 'Snow Crown' (Snow Crown Cauliflower)
Brassica oleracea var. sabellica 'Vates' (Vates Kale)
Brassica oleracea 'Waltham 29' (Waltham 29 Broccoli)
Brassica oleracea 'Winterbor' (Winterbor Kale)
Brassica rapa 'Hakurei' (Hakurei Turnip)
Brassica rapa 'Scarlet Queen' (Scarlet Queen Turnip)
Brassica rapa 'Seven Top' (Seven Top Turnip Greens)
Brassica rapa 'Tokyo Bekana' (Tokyo Bekana Asian Greens)
Bromus inermis (smooth brome)
Bromus sitchensis (Alaska brome)
Bromus sterilis (barren brome)
Brugmansia suaveolens (Angel's Trumpet)
Brunfelsia pauciflora (Yesterday-Today-and-Tomorrow)
Brunnera macrophylla (perennial forget-me-not)
Buddleja davidii (butterfly bush)
Buddleja globosa (globe butterfly bush)
Buphthalmum salicifolium (Willowleaf Ox-eye)
Bupleurum longifolium (Long-leaved Hare's Ear)
Butia capitata (Pindo Palm)
Butomus umbellatus (flowering rush)
Buxus sempervirens (English Boxwood)
Caladium bicolor (Caladium)
Calamagrostis brachytricha (Korean Feather Reed Grass)
Calamagrostis canadensis (bluejoint)
Calamintha nepeta ssp. nepeta (calamint)
Calliandra haematocephala (Pink Powder Puff)
Callicarpa bodinieri (beautyberry)
Callitropsis nootkatensis (Alaska Cedar)
Callitropsis nootkatensis 'Pendula' (weeping Alaska yellow cedar)
Calluna vulgaris (Scotch Heather)
Calocedrus decurrens (incense cedar)
Calystegia sepium (hedge bindweed)
Camassia cusickii (Cusick's Camas)
Camassia quamash (common camas)
Camellia japonica (Hot Flash Camellia)
Camellia japonica (Japanese camellia)
Camellia sasanqua (sasanqua camellia)
Camellia sinensis (Tea Plant)
Campanula carpatica (bellflower)
Campanula lactiflora (Milky Bellflower)
Campanula portenschlagiana (Dalmatian Bellflower)
Campanula poscharskyana (Serbian Bellflower)
Campanula rotundifolia (Harebell)
Campanula spp. (bellflowers)
Cananga odorata (Ylang-Ylang)
Canna glauca (Water Canna)
Capsella bursa-pastoris (shepherd's purse)
Capsicum annuum 'California Wonder' (California Wonder Bell Pepper)
Capsicum annuum 'Jalapeño' (Jalapeño Pepper)
Capsicum annuum 'Shishito' (Shishito Pepper)
Capsicum annuum 'Sweet Banana' (Sweet Banana Pepper)
Capsicum chinense 'Habanero' (Habanero Pepper)
Cardamine hirsuta (shotweed)
Cardamine maxima (Large Toothwort)
Cardamine trifolia (toothwort)
Cardiocrinum giganteum (giant Himalayan lily)
Carduus tenuiflorus (slenderflower thistle)
Carex albicans (White-Tinged Sedge)
Carex amphibola (Creek Sedge)
Carex appalachica (Appalachian Sedge)
Carex bicknellii (Bicknell's Sedge)
Carex bromoides (Brome-Like Sedge)
Carex buchananii (Leatherleaf Sedge)
Carex cherokeensis (Cherokee Sedge)
Carex comans (Hair Sedge)
Carex comosa (Longhair Sedge)
Carex crinita (Fringed Sedge)
Carex declinata (Drooping Sedge)
Carex decomposita (Cypress-Knee Sedge)
Carex divulsa (Berkeley Sedge)
Carex eburnea (Ivory Sedge)
Carex elongata (elongated sedge)
Carex firma (firm sedge)
Carex flacca (Blue Sedge)
Carex flaccosperma (Blue Wood Sedge)
Carex frankii (Frank's Sedge)
Carex grayi (Gray's Sedge)
Carex leavenworthii (Leavenworth's Sedge)
Carex lurida (sallow sedge)
Carex lyngbyei (Lyngby's sedge)
Carex morrowii 'Variegata' (Japanese Sedge)
Carex muskingumensis (Palm Sedge)
Carex obnupta (slough sedge)
Carex pallescens (pale sedge)
Carex pensylvanica (Pennsylvania Sedge)
Carex plantaginea (Plantain-Leaved Sedge)
Carex praegracilis (Clustered Field Sedge)
Carex radiata (Eastern Star Sedge)
Carex riparia (greater pond sedge)
Carex scaposa (Pink-Flowered Sedge)
Carex sprengelii (Sprengel's Sedge)
Carex squarrosa (Squarrose Sedge)
Carex stipata (sawbeak sedge)
Carex stricta (Tussock Sedge)
Carex testacea (orange New Zealand sedge)
Carex texensis (Texas Sedge)
Carex umbrosa (shade sedge)
Carex vulpina (fox sedge)
Carex vulpinoidea (Fox Sedge)
Carex woodii (Wood's Sedge)
Carpinus betulus (European Hornbeam)
Carpinus betulus 'Fastigiata' (narrow European hornbeam)
Carpinus caroliniana (American Hornbeam)
Carpinus cordata (Heartleaf Hornbeam)
Carpinus japonica (Japanese Hornbeam)
Castanopsis cuspidata (Japanese Chinquapin)
Catalpa speciosa (Northern Catalpa)
Catalpa spp. (catalpa)
Catharanthus roseus (Vinca / Periwinkle)
Caulophyllum thalictroides (Blue Cohosh)
Ceanothus gloriosus (Point Reyes ceanothus)
Ceanothus 'Victoria' (Victoria ceanothus)
Cedrus atlantica (Atlas Cedar)
Cedrus atlantica 'Glauca' (blue Atlas cedar)
Cedrus atlantica 'Glauca Fastigiata' (narrow blue Atlas cedar)
Cedrus atlantica 'Glauca Pendula' (weeping blue Atlas cedar)
Cedrus deodara (deodar cedar)
Cedrus libani (cedar of Lebanon)
Ceiba speciosa (Pink Silk Floss Tree)
Celosia argentea (Cockscomb)
Centaurea diffusa (diffuse knapweed)
Centaurea nigrescens (meadow knapweed)
Centaurea stoebe (spotted knapweed)
Cephalanthus occidentalis (Buttonbush)
Cephalaria gigantea (Giant Scabious)
Cephalocereus senilis (Old Man Cactus)
Cephalotaxus fortunei (Chinese Plum Yew)
Cephalotaxus harringtonia (Japanese Plum Yew)
Cephalotaxus harringtonia (Japanese Plum Yew)
Ceratostigma plumbaginoides (Leadwort)
Ceratostigma willmottianum (Chinese Plumbago)
Cercidiphyllum japonicum (katsura)
Cercidiphyllum japonicum 'Pendulum' (weeping katsura)
Cercis canadensis (redbud)
Cercis canadensis 'Forest Pansy' (Forest Pansy redbud)
Cercis occidentalis (Western Redbud)
Cercis racemosa (Chain-flowered Redbud)
Ceropegia woodii (String of Hearts)
Chaenomeles speciosa (flowering quince)
Chamaecyparis lawsoniana (Lawson Cypress)
Chamaecyparis obtusa (Hinoki Cypress)
Chamaecyparis obtusa 'Gracilis' (Slender Hinoki Cypress)
Chamaecyparis pisifera (Sawara Cypress)
Chamaecyparis pisifera 'Filifera' (Thread Cypress)
Chamaecyparis pisifera 'Filifera Aurea Nana' (Dwarf Golden Thread Cypress)
Chamaedorea cataractarum (Cat Palm)
Chamaedorea elegans (Parlor Palm)
Chamaedorea seifrizii (Bamboo Palm)
Chamaerops humilis (European Fan Palm)
Chasmanthium latifolium (Northern Sea Oats)
Chasmanthium laxum (Slender Woodoats)
Chelone glabra (White Turtlehead)
Chelone obliqua (Rose Turtlehead)
Chelonopsis yagiharana (Yagihara Chelonopsis)
Chenopodium album (lambsquarters)
Chimonanthus praecox (Wintersweet)
Chionanthus retusus (Chinese Fringetree)
Chionanthus virginicus (White Fringetree)
Chlorophytum comosum (Spider Plant)
Choisya 'Aztec Pearl' (Mexican Orange Blossom)
Choisya ternata (Mexican Orange Blossom)
Choisya ternata 'Sundance' (Golden Mexican Orange Blossom)
Chrozophora tinctoria (dyer's croton)
Chrysolepis chrysophylla (Golden Chinquapin)
Cichorium intybus (chicory)
Cimicifuga racemosa (black bugbane)
Cinnamomum verum (True Cinnamon)
Cirsium arvense (Canada thistle)
Cirsium vulgare (bull thistle)
Cistus albidus (white-leaved cistus)
Cistus ladanifer (Gum Rockrose)
Cistus laurifolius (laurel-leaved cistus)
Cistus x hybridus (White Rockrose)
Cistus x purpureus (Orchid Rockrose)
Citrus australasica (Finger Lime)
Cladrastis kentukea (American Yellowwood)
Claytonia sibirica (Siberian miner's-lettuce)
Clematis armandii (Armand Clematis)
Clematis cirrhosa (early clematis)
Clematis patens (spreading clematis)
Clematis spp. (clematis)
Clematis terniflora (Sweet Autumn Clematis)
Clematis vitalba (travelers-joy)
Clerodendrum trichotomum (harlequin glorybower)
Clethra alnifolia (summersweet, sweet pepperbush)
Clintonia uniflora (bead lily)
Clusia rosea (Autograph Tree)
Coccoloba uvifera (Sea Grape)
Cocos nucifera (Coconut Palm)
Coffea arabica (Coffee Plant)
Colchicum autumnale (Autumn Crocus)
Coleus scutellarioides (Coleus)
Comarum palustre (marsh cinquefoil)
Combretum rotundifolium (Monkey's Brush Plant)
Commelina dianthifolia (Birdbill Dayflower)
Comptonia peregrina (Sweet Fern)
Conium maculatum (poison hemlock)
Conoclinium coelestinum (Blue Mistflower)
Convallaria majalis (lily of the valley)
Convolvulus arvensis (field bindweed, morning glory)
Cordyline fruticosa (Ti Plant)
Coreopsis lanceolata (Lance-Leaved Coreopsis)
Coreopsis palmata (Stiff Tickseed)
Coreopsis rosea (Pink Tickseed)
Coreopsis tripteris (Tall Coreopsis)
Coreopsis verticillata 'Moonbeam' (Moonbeam coreopsis, tickseed)
Coriandrum sativum (Cilantro)
Cornus alba 'Elegantissima' (variegated Tartarian dogwood)
Cornus alternifolia (Pagoda Dogwood)
Cornus canadensis (bunchberry)
Cornus florida (eastern dogwood)
Cornus florida 'Rubra' (pink dogwood)
Cornus kousa (kousa dogwood)
Cornus macrophylla (Large-leaved Dogwood)
Cornus mas (Cornelian cherry)
Cornus nuttallii (western dogwood, Pacific dogwood)
Cornus sericea (red twig dogwood, red osier)
Cornus sericea 'Flaviramea' (yellow twig dogwood)
Cornus sericea 'Kelseyi' (dwarf red twig dogwood)
Cornus unalaschkensis (bunchberry)
Corokia cotoneaster (Wire-netting Bush)
Cortaderia selloana (Pampas Grass)
Cortaderia selloana 'Pumila' (Dwarf Pampas Grass)
Corydalis (fumewort)
Corydalis scouleri (Scouler's fumewort)
Corylopsis glabrescens (Fragrant Winter Hazel)
Corylopsis sinensis (Chinese Winter Hazel)
Corylopsis spicata (Spike Winter Hazel)
Corylus avellana 'Contorta' (Harry Lauder's walking stick)
Corylus colurna (Turkish Hazelnut)
Corylus cornuta (hazel)
Corylus maxima 'Purpurea' (purple‑leaf filbert)
Cosmos atrosanguineus (chocolate cosmos)
Cotinus coggygria (smoke tree, smoke bush)
Cotinus coggygria Purpureus Group (purple-leaf smoke tree/bush)
Cotinus obovatus (American Smoke Tree)
Cotoneaster bullatus (hollyberry cotoneaster)
Cotoneaster buxifolius (Boxwood Cotoneaster)
Cotoneaster coriaceus (Parney cotoneaster)
Cotoneaster dammeri (Bearberry Cotoneaster)
Cotoneaster franchetii (Franchet cotoneaster)
Cotoneaster hodjingensis (Hjelmqvist Cotoneaster)
Cotoneaster horizontalis (rock cotoneaster)
Cotoneaster salicifolius 'Repens' (creeping willowleaf cotoneaster)
Cotula coronopifolia (brass buttons)
Crambe maritima (Sea Kale)
Crassula ovata (Jade Plant)
Crataegus douglasii (Black Hawthorn)
Crataegus laevigata (English Hawthorn)
Crataegus laevigata 'Paul's Scarlet' (Paul's Scarlet hawthorn)
Crataegus monogyna (common hawthorn)
Crataegus x lavallei (Lavalle hawthorn)
Crocosmia spp. (crocosmia)
Crocosmia x crocosmiiflora 'Lucifer' (red crocosmia)
Crocus tommasinianus (Tommasini's Crocus)
Cryptomeria japonica (Japanese Cedar)
Cryptomeria japonica 'Cristata' (Japanese Crested Cedar)
Cryptomeria japonica 'Sekkan Sugi' (Sekkan-Sugi cryptomeria)
Cucumis sativus 'Marketmore 76' (Marketmore 76 Cucumber)
Cucumis sativus 'Straight Eight' (Straight Eight Cucumber)
Cucumis sativus 'Suyo Long' (Suyo Long Cucumber)
Cucurbita maxima 'Hubbard' (Hubbard Winter Squash)
Cucurbita moschata 'Butternut' (Butternut Squash)
Cucurbita pepo 'Black Beauty' (Black Beauty Zucchini)
Cucurbita pepo 'Delicata' (Delicata Squash)
Cucurbita pepo 'Yellow Crookneck' (Yellow Crookneck Squash)
Cunninghamia lanceolata (China Fir)
Cupressus sempervirens (Italian Cypress)
Cupressus sempervirens 'Stricta' (Italian Cypress)
Cycas circinalis (queen sago)
Cycas revoluta (Sago Palm)
Cyclamen coum (Spring cyclamen)
Cyclamen hederifolium (ivy-leaved cyclamen)
Cyclamen persicum (Florist's Cyclamen)
Cydonia oblonga (Quince)
Cylindropuntia kleiniae (Klein's Cholla)
Cylindropuntia whipplei (Whipple's Cholla)
Cyperus rotundus (Purple Nutsedge)
Cypripedium spp. (lady's slipper)
Cyrtomium caryotideum (Fish-tail Holly Fern)
Cyrtomium falcatum (Japanese Holly Fern)
Cyrtomium fortunei (Fortune's Holly Fern)
Cyrtomium macrophyllum (Large-leaved Holly Fern)
Cyrtostachys renda (Sealing Wax Palm)
Cytisus scoparius (Scotch broom)
Daboecia cantabrica (Irish Heath)
Daboecia cantabrica f. alba (White Irish Heath)
Dactylis glomerata (orchard grass)
Dahlia Hybrids (dahlia)
Dahlia merckii (Bedding Dahlia)
Daphne caucasica (Caucasian Daphne)
Daphne cneorum (Rose Daphne)
Daphne laureola (spurge daphne)
Daphne mezereum (February daphne)
Daphne odora (Winter Daphne)
Daphne odora 'Aureomarginata' (variegated winter daphne)
Daphne tangutica (Tangut Daphne)
Daphne x transatlantica 'Summer Ice' (Summer Ice hybrid daphne)
Daphniphyllum macropodum (Himalayan Daphniphyllum)
Darmera peltata (umbrella plant)
Dasiphora fruticosa (potentilla, cinquefoil)
Datura metel (Devil's Trumpet Plant)
Daucus carota (Queen Ann's lace)
Daucus carota 'Danvers' (Danvers Carrot)
Daucus carota 'Nantes' (Nantes Carrot)
Daucus carota 'Rainbow' (Rainbow Carrot Mix)
Daucus carota subsp. sativus 'Chantenay' (Chantenay Carrot)
Daucus carota subsp. sativus 'Danvers 126' (Danvers 126 Carrot)
Daucus carota subsp. sativus 'Imperator' (Imperator Carrot)
Daucus carota subsp. sativus 'Nantes' (Nantes Carrot)
Daucus carota subsp. sativus 'Rainbow' (Rainbow Carrots)
Davidia involucrata (dove tree)
Delonix regia (Royal Poinciana)
Delosperma sutherlandii (Sutherland's Ice Plant)
Delphinium Hybrids (delphinium)
Delphinium spp. (delphinium)
Dennstaedtia punctilobula (Hay-Scented Fern)
Deschampsia cespitosa (tufted hairgrass)
Descurainia spp. (tansy mustard)
Deutzia gracilis (slender deutzia)
Dianthus arenarius (sand pink)
Dianthus barbatus (sweet William)
Dianthus carthusianorum (Carthusian Pink)
Dicentra formosa (Pacific bleeding heart)
Dichelostemma congestum (Ookow)
Dieffenbachia seguine (Dumb Cane)
Dierama pulcherrimum (Angel's Fishing Rod)
Diervilla rivularis (Bush Honeysuckle)
Digitalis ferruginea (Rusty Foxglove)
Digitalis grandiflora (Large Yellow Foxglove)
Digitalis laevigata (Grecian Foxglove)
Digitalis lutea (yellow foxglove)
Digitalis obscura (Sunset Foxglove)
Digitalis parviflora (Small-flowered Foxglove)
Digitalis purpurea (common foxglove)
Digitalis thapsi (Spanish Foxglove)
Diospyros kaki (Japanese Persimmon)
Diospyros lotus (Date Plum)
Diospyros virginiana (American Persimmon)
Diphylleia cymosa (Umbrella Leaf)
Diplarrena moraea (Australian white iris)
Dipsacus fullonum (common teasel)
Disanthus cercidifolius (Disanthus)
Disporum uniflorum (Yellow Fairybells)
Draba aizoides (Yellow Whitlow Grass)
Dracocephalum grandiflorum (Large-flowered Dragonhead)
Dryopteris crassirhizoma (Thick-stemmed Wood Fern)
Dryopteris cycadina (Shaggy Wood Fern)
Dryopteris erythrosora (autumn fern)
Dryopteris expansa (coast shield fern)
Dryopteris filix-mas (Male Fern)
Dryopteris lepidopoda (Sunset Fern)
Dryopteris wallichiana (Wallich's Wood Fern)
Duranta erecta (Golden Dewdrop)
Echeveria elegans (Mexican Gem)
Echinacea Hybrids (coneflower)
Echinacea pallida (Pale Purple Coneflower)
Echinacea paradoxa (Yellow Coneflower)
Echinacea purpurea (Purple Coneflower)
Echinacea simulata (Wavy-Leaved Purple Coneflower)
Echinops bannaticus (Blue Globe Thistle)
Echinops exaltatus (Russian Globe Thistle)
Echinops sphaerocephalus (Great Globe Thistle)
Echium vulgare (blueweed)
Edgeworthia chrysantha (edgeworthia, paperbush)
Edraianthus graminifolius (Grassy Bells)
Elaeagnus pungens (silverberry)
Elaeagnus pungens 'Maculata' (Golden Variegated Elaeagnus)
Elliottia pyroliflora (copperbush)
Elymus glaucus (blue wildrye)
Elymus hystrix (Bottlebrush Grass)
Embothrium coccineum (Chilean fire tree)
Enkianthus campanulatus (enkianthus)
Enkianthus perulatus (White Enkianthus)
Enkianthus serrulatus (white bell enkianthus)
Ensete ventricosum (Ethiopian Banana)
Epidendrum ibaguense (Reed Orchid)
Epilobium ciliatum (common willowherb (native))
Epimedium acuminatum (Pointed-leaved Barrenwort)
Epimedium davidii (David's Barrenwort)
Epimedium ssp. (barrenwort)
Epipremnum aureum (Golden Pothos)
Epipremnum pinnatum (Dragon Tail Plant)
Equisetum arvense (common horsetail (native))
Equisetum hyemale (scouring rush)
Eragrostis spectabilis (Purple Lovegrass)
Eremochloa ophiuroides (Centipede Grass)
Erica spp. (heath)
Erigeron karvinskianus spp. (Mexican fleabane)
Eriobotrya japonica (Loquat)
Erodium chrysanthum (Yellow Stork's Bill)
Eruca sativa (Arugula)
Eryngium agavifolium (Agave-leaved Sea Holly)
Eryngium alpinum (Alpine Sea Holly)
Eryngium amethystinum (Amethyst Sea Holly)
Eryngium Hybrids (sea holly)
Erysimum (wallflower)
Erythranthe guttata (yellow monkey-flower)
Erythronium americanum (Yellow Trout Lily)
Erythronium oregonum (Oregon fawn lily)
Erythronium 'Pagoda' (Pagoda fawn lily)
Erythronium revolutum (coast fawn lily)
Escallonia spp. (escallonia)
Eschscholzia californica (California poppy)
Eucalyptus coccifera (Tasmanian Snow Gum)
Eucalyptus neglecta (Omeo Gum)
Eucalyptus spp. (eucalyptus)
Eucryphia glutinosa (Brush Bush)
Euonymus alatus (Burning Bush)
Euonymus alatus 'Compactus' (dwarf winged euonymus)
Euonymus fortunei (wintercreeper)
Euonymus japonicus (Japanese Euonymus)
Eupatorium perfoliatum (Boneset)
Euphorbia characias wulfenii (Mediterranean spurge)
Euphorbia cornigera (Horned Spurge)
Euphorbia griffithii (orange spurge)
Euphorbia hypericifolia (Diamond Frost Euphorbia)
Euphorbia lactea (Dragon Bones)
Euphorbia mellifera (Honey Spurge)
Euphorbia myrsinites (Myrtle Spurge)
Euphorbia peplus (petty spurge)
Euphorbia pulcherrima (Poinsettia)
Euphorbia serpens (creeping spurge)
Euphorbia virgata (leafy spurge)
Eurybia divaricata (White Wood Aster)
Eurybia divaricata (white wood aster)
Eutrochium fistulosum (tall Joe-pye weed)
Fabiana imbricata (Pichi)
Fagus grandifolia (American Beech)
Fagus sylvatica (European beech)
Fagus sylvatica 'Pendula' (weeping beech)
Fagus sylvatica var. atropurpurea (purple beech)
Fagus sylvatica var. atropurpurea 'Pendula' (weeping copper beech)
Fargesia robusta (Robust Bamboo)
× Fatshedera lizei (fatshedera)
Fatsia japonica (fatsia)
Ferula communis (giant fennel)
Festuca glauca (blue fescue)
Festuca idahoensis (Idaho fescue)
Festuca rubra (Red Fescue)
Ficus altissima (Council Tree)
Ficus carica (common fig)
Ficus lyrata (fiddle leaf fig)
Ficus microcarpa (Ficus Ginseng)
Foeniculum vulgare (Fennel)
Forsythia x intermedia (hybrid forsythia)
Fothergilla gardenii (dwarf fothergilla)
Fragaria 'Lipstick' (lipstick strawberry)
Francoa sonchifolia (Chilean bridalwreath)
Frangula purshiana (cascara)
Franklinia alatamaha (franklinia)
Fraxinus americana (White Ash)
Fraxinus latifolia (Oregon ash)
Fraxinus ornus (flowering ash, manna ash)
Fraxinus oxycarpa 'Raywood' (Raywood ash, Flame ash)
Fraxinus velutina (Velvet Ash)
Fritillaria imperialis (crown imperial)
Fritillaria meleagris (snakes-head fritillary)
Fuchsia magellanica (hardy fuchsia)
Gaillardia aristata (blanketflower)
Galanthus elwesii (Giant Snowdrop)
Galanthus ikariae (Ikarian Snowdrop)
Galanthus nivalis (Common Snowdrop)
Galium aparine (cleavers (native))
Galium odoratum (sweet woodruff)
Galium trifidum (small bedstraw (native))
Gardenia jasminoides (Gardenia)
Garrya elliptica (coast silktassel)
Gaultheria mucronata (Chilean pernettya)
Gaultheria procumbens (wintergreen)
Gaultheria shallon (salal)
Gaura (Wand Flower)
Gelsemium sempervirens (Carolina Jessamine)
Genista lydia (Lydia broom)
Genista pilosa (silkyleaf woadwaxen)
Gentiana asclepiadea (Willow Gentian)
Geranium 'Gerwat ROZANNE' (Rozanne geranium)
Geranium lucidum (shiny geranium)
Geranium macrorrhizum (Bigroot Geranium)
Geranium molle (dovefoot geranium)
Geranium robertianum (herb-Robert, stinky Bob)
Geranium tuberosum (Tuberous Geranium)
Geranium wlassovianum (Wlassov's Geranium)
Geum macrophyllum (large-leaved avens)
Geum ssp. 'Cocktail Collection' (avens)
Ginkgo biloba (ginkgo, maidenhair tree)
Ginkgo biloba 'PNI 2720' (ginkgo)
Gladiolus communis (Gladiolus)
Gladiolus Hybrids (hardy gladiolus)
Gladiolus murielae (fragrant gladiolus)
Glandora diffusa (lithodora)
Gleditsia triacanthos (honey locust)
Glyceria borealis (northern mannagrass)
Glyceria elata (tall mannagrass)
Goeppertia insignis (Rattlesnake Plant)
Goeppertia makoyana (Peacock Plant)
Goeppertia orbifolia (Round-Leaved Calathea)
Gomphrena globosa (Globe Amaranth)
Grevillea victoriae (Royal Grevillea)
Gunnera manicata (gunnera)
Guzmania lingulata (Scarlet Star)
Gymnocalycium mihanovichii (Moon Cactus)
Gymnocarpium disjunctum (oak fern)
Gymnocladus dioicus (Kentucky coffee tree)
Hacquetia epipactis (hacqetia)
Hakonechloa macra (Hakone grass)
Halesia carolina (Carolina silverbell)
Hamamelis mollis (Chinese witch hazel)
Hamamelis x intermedia (hybrid witch hazel)
Handroanthus chrysotrichus (Golden Trumpet Tree)
Handroanthus impetiginosus (Pink Trumpet Tree)
Hedera helix (English Ivy)
Hedera hibernica (Atlantic or Irish ivy)
Helenium autumnale (Sneezeweed)
Helenium spp. (sneezeweed)
Helianthus angustifolius (Swamp Sunflower)
Heliconia rostrata (Hanging Lobster Claw)
Helictotrichon sempervirens (blue oat grass)
Helleborus argutifolius (Corsican hellebore)
Helleborus atrorubens (dark red hellebore)
Helleborus foetidus (Stinking hellebore)
Helleborus orientalis (Lenten Rose)
Helleborus x hybridus (hybrid hellebore)
Hemerocallis Hybrids (daylily)
Heracleum mantegazzianum (giant hogweed)
Heracleum maximum (cow-parsnip)
Hesperaloe parviflora (Red Yucca)
Hesperis matronalis (dame's rocket)
Hesperocyparis arizonica (Arizona Cypress)
×Hesperocyparis leylandii (Leyland cypress)
Hesperocyparis macrocarpa 'Goldcrest' (Goldcrest Monterey Cypress)
Heteromeles arbutifolia (Toyon)
Heuchera americana (American Alumroot)
Heuchera micrantha (small-flowered alumroot)
Heuchera micrantha (native heuchera)
Heuchera spp. (coral bells)
Hibiscus coccineus (Scarlet Rose Mallow)
Hibiscus moscheutos (Hardy Hibiscus)
Hibiscus syriacus (Rose of Sharon)
Holcus lanatus (common velvet-grass)
Holodiscus discolor (ocean spray)
Hordeum jubatum (foxtail barley)
Hosta Hybrids (hosta)
Hoya kerrii (Sweetheart Hoya)
Hoya pubicalyx (Wax Plant)
Hyacinthoides hispanica (Spanish bluebells)
Hyacinthus orientalis (hyacinth)
Hydrangea anomala ssp. petiolaris (climbing hydrangea)
Hydrangea integrifolia (evergreen climbing hydrangea)
Hydrangea macrophylla (bigleaf hydrangea)
Hydrangea petiolaris (climbing hydrangea)
Hydrangea quercifolia (oak-leaf hydrangea)
Hydrilla verticillata (hydrilla)
Hydrophyllum tenuipes (Pacific waterleaf)
Hyophorbe lagenicaulis (Bottle Palm)
Hypericum calycinum (St. John's wort)
Hypericum Hybrids (hybrid hypericum)
Hypericum kalmianum (Kalm St. John's Wort)
Hypericum perforatum (common St. Johnswort)
Hypochaeris radicata (hairy cat's-ear)
Hypoestes phyllostachya (Polka Dot Plant)
Iberis saxatilis (rock candytuft)
Iberis sempervirens (candytuft)
Iberis spathulata (Pyrenean Candytuft)
Ilex aquifolium (English holly)
Ilex aquifolium 'Ferox Argentea' (variegated porcupine holly)
Ilex crenata (Japanese holly)
Ilex verticillata (common winterberry)
Ilex x meserveae (blue-leaved hybrid holly)
Impatiens capensis (spotted jewelweed)
Impatiens glandulifera (policeman's helmet)
Impatiens omeiana (Golden Impatiens)
Inga edulis (Ice Cream Bean)
Iris florentina (Florentine iris)
Iris paradoxa (paradoxical iris)
Iris virginica (Virginia Iris)
Jacaranda mimosifolia (Jacaranda)
Jacobaea vulgaris (tansy ragwort)
Jasione montana (Sheep's Bit Scabious)
Jasminum nudiflorum (winter jasmine)
Jasminum polyanthum (Pink Jasmine)
Jeffersonia diphylla (twinleaf)
Juglans californica (California Black Walnut)
Juglans nigra (black walnut)
Juglans regia (English walnut)
Juncus articulatus (jointed rush)
Juncus effusus (soft rush)
Juncus ensifolius (dagger-leaf rush)
Juncus tenuis (Path Rush)
Juniperus californica (California Juniper)
Juniperus chinensis 'Kaizuka' (Hollywood Juniper)
Juniperus communis (common juniper)
Juniperus conferta (shore juniper)
Juniperus horizontalis (creeping juniper)
Juniperus sabina 'Tamariscifolia' (Tam Juniper)
Juniperus scopulorum (Rocky Mountain Juniper)
Justicia fulvicoma (Orange Shrimp Plant)
Kalanchoe blossfeldiana (Flaming Katy)
Kalmia latifolia (mountain laurel)
Kerria japonica (Japanese kerria)
Kerria japonica 'Pleniflora' (double kerria)
Kirengeshoma palmata (yellow waxbells)
Knautia macedonica (Macedonian Scabious)
Kniphofia Hybrids (torch lily, red hot poker)
Koelreuteria paniculata (goldenrain tree)
Laburnum anagyroides (golden chain tree)
Lactuca serriola (prickly lettuce)
Lagerstroemia spp. (crape myrtle)
Lamium maculatum (deadnettle)
Lamprocapnos spectabilis (bleeding heart)
Lapsana communis (nipplewort)
Larix decidua (European Larch)
Larix kaempferi (Japanese Larch)
Larix spp. (larch)
Laurus nobilis (bay laurel)
Lavandula angustifolia (English lavender)
Lavandula stoechas (Spanish lavender)
Lepidium latifolium (perennial pepperweed)
Leucanthemum vulgare (Oxeye Daisy)
Leucanthemum x superbum (Shasta daisy)
Leucojum aestivum (spring snowflakes)
Leucothoë axillaris (drooping leucothoe)
Leucothoë fontanesiana 'Girard's Rainbow' (Rainbow leucothoe)
Lewisia cotyledon (lewisia)
Leycesteria formosa (Himalayan honeysuckle)
Liatris ligulistylis (Meadow Blazing Star)
Liatris spicata (prairie star)
Licuala grandis (Ruffled Fan Palm)
Ligularia dentata (ligularia)
Ligustrum japonicum 'Texanum' (waxleaf privot)
Ligustrum vulgare (common privet)
Lilium (Asiatic Hybrids) (Asiatic lilies)
Lilium candidum (Madonna lily)
Lilium (Orienpet Hybrids) (orienpet lilies)
Lilium (Oriental Hybrids) (oriental lilies)
Linaria purpurea (toadflax)
Linnaea borealis (twinflower)
Liquidambar styraciflua (sweetgum)
Liriodendron tulipifera (tulip tree)
Liriope muscari (lily turf)
Liriope spicata (Creeping Lilyturf)
Livistona chinensis (Chinese Fan Palm)
Lobelia cardinalis (cardinal flower)
Lobelia erinus (bedding lobelia)
Lobelia siphilitica (Great Blue Lobelia)
Lobularia maritima (sweet alyssum)
Lolium perenne (Perennial Ryegrass)
Lonicera ciliosa (trumpet honeysuckle)
Lonicera involucrata (twinberry honeysuckle)
Lonicera involucrata (twinberry honeysuckle)
Lonicera ligustrina var. yunnanensis (box honeysuckle)
Lonicera ligustrina var. yunnanensis 'Baggesen's Gold' (Golden box honeysuckle)
Lonicera pileata (box-leaved honeysuckle)
Lonicera sempervirens (Coral Honeysuckle)
Lotus corniculatus (bird's-foot trefoil)
Lotus pedunculatus (big bird's-foot trefoil)
Lunaria annua (moneyplant)
Lupinus latifolius (wild lupine)
Lupinus polyphyllus (garden lupine)
Luzula parviflora (small-flowered wood rush)
Lychnis coronaria (rose campion)
Lycium barbarum (Goji Berry)
Lysichiton americanus (swamp lanterns, skunk cabbage)
Lythrum salicaria (purple loosestrife)
Magnolia grandiflora (southern magnolia)
Magnolia sieboldii (Oyama magnolia)
Magnolia × soulangeana (saucer magnolia)
Magnolia stellata (star magnolia)
Magnolia virginiana (Sweetbay Magnolia)
Mahonia aquifolium (Oregon grape)
Mahonia nervosa (dwarf Oregon grape)
Mahonia repens (creeping mahonia)
Maianthemum dilatatum (false lily of the valley)
Maianthemum racemosum (false Solomon's Seal)
Maianthemum stellatum (star-flowered false Solomon's seal)
Malpighia emarginata (Acerola Cherry)
Malus (crabapple)
Malus domestica (apple)
Malus fusca (crabapple)
Malva moschata (musk mallow)
Malva neglecta (dwarf mallow, cheese plant)
Mandevilla sanderi (Pink Mandevilla)
Marah oregana (bigroot, manroot)
Matricaria discoidea (pineapple weed)
Matteuccia struthiopteris (Ostrich Fern)
Medicago lupulina (black medic)
Melissa officinalis (Lemon Balm)
Mentha spicata (Spearmint)
Metasequoia glyptostroboides (dawn redwood)
Microbiota decussata (Russian Cypress)
Miscanthus sinensis (Miscanthus)
Monarda didyma (Bee Balm)
Monarda fistulosa (Wild Bergamot)
Monstera adansonii (Swiss Cheese Vine)
Monstera deliciosa (Swiss Cheese Plant)
Monstera siltepecana (Silver Monstera)
Morella californica (California wax myrtle)
Morella cerifera (Wax Myrtle)
Moringa oleifera (Moringa)
Muhlenbergia capillaris (Pink Muhly Grass)
Muhlenbergia dumosa (Bamboo Muhly)
Muhlenbergia lindheimeri (Lindheimer's Muhly)
Muhlenbergia reverchonii (Seep Muhly)
Musa acuminata (Dwarf Banana Plant)
Musa basjoo (Hardy Banana)
Musa textilis (abacá, Manila hemp)
Muscari armeniacum (grape hyacinth)
Mycelis muralis (wall lettuce)
Mycelis muralis (wall lettuce)
Myosotis scorpioides (water forget-me-not)
Myosotis sylvatica (forget-me-not)
Myriophyllum aquaticum (parrotfeather)
Myriophyllum spicatum (Eurasian watermilfoil)
Narcissus (daffodil)
Nassella tenuissima (Mexican feather/hair grass)
Nasturtium officinale (Watercress)
Nematanthus spp. (goldfish plant)
Nephrolepis exaltata (Boston Fern)
Nyssa sylvatica (sour gum, tupelo)
Oemleria cerasiformis (osoberry)
Oenanthe sarmentosa (water-parsley)
Oenothera biennis (evening primrose)
Oenothera fruticosa (evening primrose)
Oenothera lindheimeri (wandflower)
Olea europaea (Olive Tree)
Oncidium sphacelatum (Spider Orchid Bush)
Onopordum acanthium (Scotch thistle)
Ophiopogon japonicus (Mondo Grass)
Ophiopogon planiscapus 'Nigrescens' (Black mondo grass)
Oplopanax horridus (devil's club)
Opuntia ficus-indica (Prickly Pear Cactus)
Opuntia microdasys (Bunny Ears Cactus)
Opuntia santa-rita (Santa Rita Prickly Pear)
Origanum majorana (Sweet Marjoram)
Origanum vulgare (Oregano)
Osmanthus delavayi (Delavay osmanthus)
Osmanthus fragrans (Sweet Osmanthus)
Osmanthus heterophyllus (holly-leaved osmanthus)
Osmanthus heterophyllus 'Goshiki' (Goshiki holly-leaf osmanthus)
Osmanthus heterophyllus 'Variegatus' (Variegated holly osmanthus)
Osmanthus x burkwoodii (Burkwood osmanthus)
Osmunda regalis (Royal Fern)
Osmundastrum cinnamomeum (Cinnamon Fern)
Oxalis corniculata (trailing yellow sorrel)
Oxalis oregana (redwood sorrel)
Oxydendrum arboreum (sourwood)
Pachira aquatica (Money Tree)
Pachyphragma macrophyllum (giant spring brassica)
Pachysandra terminalis (Japanese spurge)
Paeonia lactiflora (garden peony)
Paeonia ssp. (tree peony)
Panicum amarum (Bitter Panicgrass)
Panicum virgatum (Switchgrass)
Papaver cambricum (welsh poppy)
Papaver orientale (Oriental poppy)
Papaver somniferum (opium poppy)
Parahebe perfoliata (Koromiko)
Paris polyphylla (multi-leaf paris)
Paris quadrifolia (herb paris)
Parrotia persica (Persian parrotia, ironwood)
Parthenocissus tricuspidata (Boston ivy)
Paspalum notatum (Bahia Grass)
Passiflora edulis (passion fruit)
Paulownia tomentosa (empress tree)
Pellaea rotundifolia (Button Fern)
Pennisetum alopecuroides (Fountain Grass)
Penstemon digitalis (foxglove beardtongue)
Penstemon Hybrids (Beard Tongue)
Penstemon pallidus (Pale Beardtongue)
Penstemon smallii (Smalls Beardtongue)
Peperomia obtusifolia (Baby Rubber Plant)
Persicaria amplexicaulis 'Firetail' (Red knotweed)
Persicaria lapathifolia (dock-leaved smartweed)
Petasites frigidus (coltsfoot)
Petasites japonicus (fuki,butterburr)
Phalaris arundinacea (reed canary grass)
Phaseolus vulgaris 'Blue Lake' (Blue Lake Green Bean)
Phaseolus vulgaris 'Kentucky Wonder' (Kentucky Wonder Bean)
Phaseolus vulgaris 'Provider' (Provider Bush Bean)
Phedimus kamtschaticus (Orange Stonecrop)
Phedimus selskianus (Selsky Stonecrop)
Phegopteris decursive-pinnata (Japanese Beech Fern)
Philadelphus spp. (mock orange)
Philodendron gloriosum (Glorious Philodendron)
Philodendron hastatum (Silver Sword Philodendron)
Philodendron hederaceum (Heartleaf Philodendron)
Phlebodium aureum (Blue Star Fern)
Phlomis russeliana (Jerusalem sage)
Phlox divaricata (Woodland Phlox)
Phlox paniculata (Garden Phlox)
Phoenix roebelenii (Pygmy Date Palm)
Phoenix sylvestris (Silver Date Palm)
Photinia davidiana (tall stranvaesia)
Photinia x fraseri (Red tip photinia)
Phragmites australis (common reed)
Phygelius x rectus Hybrids (cape fuchsia)
Phyllostachys aurea (golden bamboo)
Phyllostachys nigra (black bamboo)
Physocarpus capitatus (Pacific ninebark)
Physocarpus opulifolius 'Monlo' (Diabolo® ninebark)
Physostegia virginiana (Obedient Plant)
Phyteuma scheuchzeri (Oxford Rampion)
Picea abies (Norway Spruce)
Picea abies 'Nidiformis' (bird's nest spruce)
Picea abies 'Pendula' (Weeping Norway Spruce)
Picea abies 'Reflexa' (weeping Norway spruce)
Picea glauca 'Conica' (Dwarf Alberta Spruce)
Picea omorika (Serbian Spruce)
Picea orientalis (Oriental spruce)
Picea pungens 'Glauca' (Colorado Blue Spruce)
Picea sitchensis (Sitka Spruce)
Pieris japonica 'Variegata' (Variegated Japanese Pieris)
Pinus cembra (Swiss stone pine)
Pinus contorta var. contorta (Shore Pine)
Pinus contorta var. latifolia (Lodgepole Pine)
Pinus densiflora (Japanese Red Pine)
Pinus monticola (Western White Pine)
Pinus mugo (mugo pine)
Pinus nigra (Austrian Pine)
Pinus parviflora (Japanese White Pine)
Pinus ponderosa (Ponderosa Pine)
Pinus strobus (eastern white pine)
Pinus sylvestris (Scots Pine)
Pinus taeda (Loblolly Pine)
Pinus thunbergii (Japanese Black Pine)
Pinus thunbergii 'Thunderhead' (Thunderhead Japanese black pine)
Piper nigrum (Black Pepper Plant)
Pittosporum tenuifolium (pittosporum tenuifolium)
Pittosporum tobira (Japanese pittosporum)
Plantago lanceolata (English plantain)
Plantago major (common plantain)
Platanus × acerifolia (London plane tree)
Platanus occidentalis (American Sycamore)
Platanus racemosa (California Sycamore)
Platycerium bifurcatum (Staghorn Fern)
Pleioblastus pygmaeus (dwarf bamboo)
Plumeria rubra (Plumeria)
Poa annua (annual bluegrass)
Poa pratensis (Kentucky Bluegrass)
Podophyllum peltatum (mayapple)
Podophyllum pleianthum (Chinese mayapple)
Podophyllum 'Spotty Dotty' (Spotty Dotty mayapple)
Podosphaera xanthii (Cucurbit Powdery Mildew)
Polygonatum (Solomon's seal)
Polygonatum biflorum (Solomons Seal)
Polygonum aviculare (common knotweed)
Polypodium glycyrrhiza (licorice fern)
Polystichum acrostichoides (Christmas Fern)
Polystichum munitum (Western sword fern)
Polystichum polyblepharum (Korean tassel fern)
Polystichum setiferum (soft shield fern)
Populus balsamifera ssp. trichocarpa (black cottonwood)
Populus deltoides (Eastern Cottonwood)
Populus nigra 'Italica' (Lombardy poplar)
Populus tremuloides (quaking aspen)
Populus trichocarpa (cottonwood)
Portulaca oleracea (purslane)
Potentilla recta (sulfur cinquefoil)
Primula (polyanthus)
Primula kisoana (Kisan primrose)
Primula sieboldii (sakura)
Prosartes smithii (Largeflower Fairybells)
Prostanthera cuneata (alpine mint bush)
Prunella vulgaris (self heal)
Prunus cerasifera (purple leaf plum, cherry plum)
Prunus 'Kanzan' (Kwanzan flowering cherry)
Prunus laurocerasus 'Mt. Vernon' (Mt. Vernon laurel)
Prunus laurocerasus 'Zabeliana' (Zabel laurel)
Prunus lusitanica (Portuguese laurel)
Prunus serotina (Black Cherry)
Prunus 'Shirotae' (Mt. Fuji flowering cherry)
Prunus virginiana (Chokecherry)
Pseudogynoxys chenopodioides (Mexican Flame Vine)
Pseudotrillium rivale (brook wakerobin)
Pseudotsuga menziesii (Douglas fir)
Psidium guajava (White Guava)
Pteridium aquilinum (bracken fern)
Pulmonaria (lungwort)
Pulsatilla occidentalis (Western pasqueflower)
Pulsatilla patens (Eastern Pasque Flower)
Pulsatilla vulgaris (common pasqueflower)
Pycnanthemum muticum (Short-Toothed Mountain Mint)
Pycnanthemum virginianum (Virginia Mountain Mint)
Pyracantha spp. (firethorn pyracantha)
Pyrus calleryana (Callery flowering pear)
Quercus agrifolia (Coast Live Oak)
Quercus alba (White Oak)
Quercus bicolor (Swamp White Oak)
Quercus coccinea (scarlet oak)
Quercus frainetto (Hungarian oak)
Quercus garryana (Oregon white oak, Garry oak)
Quercus ilex (holly oak)
Quercus lobata (Valley Oak)
Quercus macrocarpa (Bur Oak)
Quercus palustris (pin oak)
Quercus robur (English oak)
Quercus rubra (red oak)
Quercus sadleriana (Sadler's Oak)
Quercus suber (cork oak)
Quercus virginiana (Southern Live Oak)
Ranunculus acris (meadow buttercup)
Ranunculus asiaticus (Persian Buttercup)
Ranunculus bulbosus (bulbous buttercup)
Ranunculus repens (creeping buttercup)
Ravenea rivularis (Majesty Palm)
Rhaphiolepis umbellata 'Minor' (rhaphiolepis)
Rhapidophyllum hystrix (Needle Palm)
Rhapis excelsa (Lady Palm Tree)
Rheum palmatum 'Atrosanguineum' (ornamental rhubarb)
Rhododendron 'Hino-Crimson' (Hino-Crimson Azalea)
Rhododendron impeditum (Dwarf Purple Rhododendron)
Rhododendron japonicum (Japanese azalea)
Rhododendron lepidotum (scaly rhododendron)
Rhododendron menziesii (mock azalea)
Rhododendron mucronulatum (Korean azalea)
Rhododendron occidentale (western azalea)
Rhododendron ponticum (Common Rhododendron)
Rhododendron quinquefolium (quinquefolium azalea)
Rhododendron schlippenbachii (royal azalea)
Rhododendron stenopetalum 'Linearifolium' (spider azalea)
Rhododendron yakushimanum (yakushima rhododendron)
Rhus glabra (smooth sumac)
Rhus typhina (staghorn sumac)
Rhynchospora colorata (White-Top Sedge)
Ribes bracteosum (stink current)
Ribes lacustre (swamp gooseberry)
Ribes sanguineum (red flowering currant)
Robinia pseudoacacia (black locust)
Robinia pseudoacacia 'Frisia' (golden black locust)
Rodgersia (rodgersia)
Romneya coulteri (Matilija poppy)
Rosa canina (dog rose)
Rosa (Floribunda Group) (floribunda roses)
Rosa glauca (redleaf rose)
Rosa gymnocarpa (bald-hip rose)
Rosa gymnocarpa (bald-hip rose)
Rosa nutkana (Nootka rose)
Rosa pisocarpa (clustered wild rose)
Rosa rugosa (rugosa rose)
Rubus armeniacus (Himalayan blackberry)
Rubus hayata-koidzumii (creeping raspberry)
Rubus idaeus (raspberry)
Rubus laciniatus (evergreen blackberry)
Rubus parviflorus (thimbleberry)
Rubus spectabilis (salmonberry)
Rubus ursinus (trailing blackberry)
Rudbeckia hirta (large black-eyed Susan)
Rudbeckia triloba (Brown-Eyed Susan)
Ruellia simplex (Mexican Petunia)
Rumex acetosa (Sorrel)
Rumex acetosella (sheep sorrel)
Rumex crispus (curly-leaved dock)
Rumex obtusifolius (broad-leaved dock)
Sabal minor (Dwarf Palmetto)
Sagina procumbens (pearlwort)
Sagina subulata (Irish moss)
Salix babylonica (weeping willow)
Salix babylonica 'Tortuosa' (corkscrew willow)
Salix discolor (White Pussy Willow)
Salix purpurea 'Nana' (dwarf Alaskan purple willow)
Salix scouleriana (Scouler’s willow)
Salix sitchensis (Sitka willow)
Salvia fulgens (cardinal sage)
Salvia greggii (Autumn sage)
Salvia leucantha (Mexican Bush Sage)
Salvia microphylla 'Hot Lips' (baby sage, Hot Lips)
Salvia nemorosa (Woodland Sage)
Salvia rosmarinus (rosemary)
Salvia x sylvestris 'Caradonna' (caradonna sage)
Sambucus racemosa (red elderberry)
Sambucus spp. (elderberry)
Sanguisorbia hakusanensis 'Lilac Squirrel' (Pink squirrel tails)
Santolina chamaecyparissus (cotton vavender)
Santolina rosmarinifolia (Green Lavender Cotton)
Sarcococca confusa (tall sarcococca)
Sarcococca hookeriana var. humilis (low sarcococca)
Saruma henryi (upright wild ginger)
Satureja hortensis (Summer Savory)
Satureja montana (Winter Savory)
Saururus cernuus (Lizard's Tail)
Saxifraga stolonifera (strawberry begonia)
Scabiosa canescens (Gray Pincushion Flower)
Schisandra chinensis (Five-flavor Berry)
Schizachyrium scoparium (Little Bluestem)
Schizophragma hydrangeoides (Japanese Climbing Hydrangea)
Schoenoplectus acutus (hardstem bulrush)
Sciadopitys verticillata (Japanese umbrella pine)
Scindapsus pictus (Satin Pothos)
Scirpus cyperinus (Woolgrass)
Scirpus microcarpus (small-fruited bulrush)
Scutellaria suffrutescens (Pink Skullcap)
Sedum kimnachii (Kimnach's Stonecrop)
Sedum oreganum (Oregon Stonecrop)
Sedum spathifolium 'Cape Blanco' (Cape Blanco sedum)
Sedum spectabile (sedum)
Sempervivum arachnoideum (cobweb houseleek)
Senecio sylvaticus (wood groundsel)
Senecio vulgaris (common groundsel)
Senna bicapsularis (Butterfly Bush Senna)
Sequoiadendron giganteum (giant sequoia)
Sequoiadendron giganteum 'Pendulum' (weeping Giant Sequoia)
Sequoia sempervirens (Coast Redwood)
Sesbania grandiflora (Hummingbird Tree)
Sesleria autumnalis (Autumn Moor Grass)
Sesleria spp. (moor grass)
Shibataea kumasasa (Ruscus-leaved Bamboo)
Silene acaulis (Moss Campion)
Silene nocturna (night-flowering catchfly)
Silybum marianum (milk thistle)
Sisyrinchium angustifolium (Blue-Eyed Grass)
Skimmia japonica (Japanese skimmia)
Smyrnium perfoliatum (perfoliate alexanders)
Solanum crispum 'Glasnevin' (Glasnevin Potato Vine)
Solanum dulcamara (bittersweet nightshade)
Solanum lycopersicum 'Big Boy' (Big Boy Tomato)
Solanum lycopersicum 'Black Cherry' (Black Cherry Tomato)
Solanum lycopersicum 'Black Krim' (Black Krim Tomato)
Solanum lycopersicum 'Brandywine' (Brandywine Tomato)
Solanum lycopersicum 'Bush Early Girl' (Bush Early Girl Tomato)
Solanum lycopersicum 'Celebrity' (Celebrity Tomato)
Solanum lycopersicum 'Cherokee Purple' (Cherokee Purple Tomato)
Solanum lycopersicum 'Early Girl' (Early Girl Tomato)
Solanum lycopersicum 'Heatmaster' (Heatmaster Tomato)
Solanum lycopersicum 'Iron Lady' (Iron Lady Tomato)
Solanum lycopersicum 'Patio' (Patio Tomato)
Solanum lycopersicum 'Patio Princess' (Patio Princess Tomato)
Solanum lycopersicum 'Phoenix' (Phoenix Tomato)
Solanum lycopersicum 'Red Cherry' (Red Cherry Tomato)
Solanum lycopersicum 'Roma' (Roma Tomato)
Solanum lycopersicum 'San Marzano' (San Marzano Tomato)
Solanum lycopersicum 'Stupice' (Stupice Tomato)
Solanum lycopersicum 'Sungold' (Sungold Cherry Tomato)
Solanum lycopersicum 'Surefire Red' (Surefire Red Tomato)
Solanum lycopersicum 'Yellow Pear' (Yellow Pear Tomato)
Solanum melongena 'Black Beauty' (Black Beauty Eggplant)
Solanum melongena 'Ichiban' (Ichiban Eggplant)
Solanum melongena 'Rosa Bianca' (Rosa Bianca Eggplant)
Solanum nigrum (black nightshade)
Solanum physalifolium (hairy nightshade)
Solanum rostratum (buffalobur)
Soldanella villosa (Hairy Snowbell)
Solidago lepida (Canada goldenrod)
Solidago rugosa (Wrinkle-Leaved Goldenrod)
Sonchus arvensis (marsh sow thistle)
Sonchus asper (prickly sow thistle)
Sonchus oleraceus (annual sow thistle)
Sorbus alnifolia (Korean Mountain Ash)
Sorbus aucuparia (European mountain ash)
Sorghastrum nutans (Indiangrass)
Spathiphyllum wallisii (Peace Lily)
Spigelia marilandica (Indian Pink)
Spiraea douglasii (western spirea)
Spiraea japonica 'Goldflame' (Goldflame spirea)
Spiraea thunbergii (Thunberg spirea)
Spiraea × vanhouttei (Vanhoutte spirea)
Sporobolus heterolepis (Prairie Dropseed)
Sporobolus wrightii (Giant Sacaton)
Stachys byzantina (lamb's ears)
Stachys officinalis (wood betony)
Stellaria media (chickweed)
Stenotaphrum secundatum (St. Augustine Grass)
Stevia rebaudiana (Stevia)
Stewartia monadelpha (tall stewartia)
Stewartia pseudocamellia (Japanese stewartia)
Stipa gigantea (giant feather grass)
Strelitzia nicolai (Giant Bird of Paradise)
Strelitzia reginae (Bird of Paradise)
Struthiopteris spicant (deer fern)
Styphnolobium japonicum (Japanese pagoda tree)
Styrax japonicus (Japanese snowdrop tree)
Styrax obassia (fragrant snowbell)
Symphoricarpos albus (snowberry)
Symphyotrichum oblongifolium (Aromatic Aster)
Symphyotrichum subspicatum (Douglas' aster)
Syngonium podophyllum (Arrowhead Plant)
Synsepalum dulcificum (Miracle Fruit)
Syringa pubescens ssp. patula 'Miss Kim' (Miss Kim lilac)
Syringa vulgaris (lilac, common lilac)
Tanacetum vulgare (common tansy)
Taraxacum officinale (Dandelion Greens)
Taxodium distichum (bald cypress)
Taxus brevifolia (Pacific yew)
Taxus cuspidata (Japanese yew)
Tellima grandiflora (Fringecup)
Teucrium chamaedrys (Wall Germander)
Thalictrum aquilegiifolium (Columbine Meadow Rue)
Thalictrum 'Black Stockings' (Black Stockings meadow rue)
Thalictrum delavayi (Yunnan Meadow Rue)
Thaumatophyllum bipinnatifidum (Split-Leaf Philodendron)
Thuja plicata (western red cedar)
Thuja plicata 'Zebrina' (golden western red cedar)
Thujopsis dolabrata (Japanese false arborvitae)
Thunbergia grandiflora (Sky Vine)
Thymus serpyllum (Wild Thyme)
Tiarella cordifolia (Foamflower)
Tiarella trifoliata (foamflower)
Tilia americana (basswood)
Tilia cordata (little‑leaf linden)
Tolmiea menziesii (piggy-back plant)
Toxicodendron radicans (Poison Ivy)
Trachelospermum asiaticum (Asiatic Jasmine)
Trachelospermum jasminoides (star jasmine)
Trachycarpus fortunei (windmill palm)
Trachystemon orientalis (giant borage)
Tradescantia spathacea (Moses-in-the-Cradle)
Tradescantia zebrina (Inch Plant)
Trifolium pratense (red clover)
Trifolium repens (white clover)
Trillium chloropetalum (giant trillium)
Trillium kurabayashii (giant purple wakerobin)
Trillium luteum (Yellow Trillium)
Trillium ovatum (western trillium)
Trillium pusillum (Dwarf Trillium)
Trillium recurvatum (Prairie Trillium)
Tsuga canadensis (eastern hemlock)
Tsuga heterophylla (western hemlock)
Tsuga mertensiana (mountain hemlock)
Tulipa (tulips)
Tulipa praestans (excellent tulip)
Typha angustifolia (slender-leaved cattail)
Typha latifolia (common cat-tail)
Ulmus americana (American Elm)
Ulmus glabra 'Camperdownii' (Camperdown elm)
Ulmus procera (English elm)
Umbellularia californica (California bay)
Urtica dioica (stinging nettle)
Urtica urens (small nettle)
Uvularia perfoliata (Perfoliate Bellwort)
Vaccinium corymbosum (blueberry)
Vaccinium ovatum (evergreen huckleberry)
Vaccinium parvifolium (red huckleberry)
Vaccinium vitis-idaea (Lingonberry)
Vancouveria hexandra (inside-out flower)
Vanilla planifolia (Vanilla Orchid)
Verbascum blattaria (moth mullein)
Verbascum olympicum (Olympic mullein)
Verbascum roripifolium (Watercress-Leaved Mullein)
Verbascum thapsus (common mullein)
Verbena bonariensis (tall verbena, Brazilian verbena)
Verbena hastata (Blue Vervain)
Verbena rigida (Rigid Verbena)
Vernonia noveboracensis (New York Ironweed)
Veronica odora (boxleaf hebe)
Veronica spicata (veronica, speedwell)
Veronica ssp. (hebe)
Veronica topiaria (Topiary Hebe)
Viburnum × bodnantense 'Dawn' (Dawn viburnum)
Viburnum × burkwoodii (Burkwood viburnum)
Viburnum carlesii (Korean spice viburnum)
Viburnum davidii (David viburnum)
Viburnum opulus 'Nanum' (dwarf European cranberry bush)
Viburnum opulus 'Roseum' (European cranberry bush)
Viburnum opulus var. americanum (American cranberry bush)
Viburnum plicatum (Japanese Snowball Bush)
Viburnum plicatum f. tomentosum (doublefile viburnum)
Viburnum rhytidophyllum (leatherleaf viburnum)
Viburnum tinus (Viburnum tinus)
Vicia villosa (woolly vetch)
Vinca major 'Variegata' (variegated vinca major)
Vinca minor (common periwinkle)
Viola × wittrockiana (pansy)
Vitex agnus-castus (chaste tree)
Vitis vinifera (grape)
Washingtonia robusta (Mexican Fan Palm)
Weigela florida (weigela)
Weigela florida 'Variegata' (variegated weigela)
Wisteria floribunda (Japanese wisteria)
Wisteria sinensis (Chinese wisteria)
Wollemia nobilis (Wollemi pine)
Yucca filamentosa (yucca)
Yucca gloriosa var. tristis (weeping yucca)
Zamia furfuracea (Cardboard Palm Tree)
Zamia integrifolia (Coontie Palm)
Zamioculcas zamiifolia (ZZ Plant)
Zantedeschia aethiopica (White Calla Lily)
Zelkova serrata (sawleaf zelkova)
Zingiber officinale (Ginger)
Zizia aurea (Golden Alexanders)
Zoysia japonica (Zoysia Grass)