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Overview
Abeliophyllum distichum is a deciduous shrub reaching 3–5 feet (90–150 cm) tall with an equal to greater spread at maturity. Young plants grow in an upright form; older specimens develop arching, spreading branch structure. Stems are distinctly four-angled and grayish-brown; older bark peels in thin strips revealing lighter brown underlayers. Leaves are opposite, ovate to elliptic, medium green during the growing season, and develop purple-tinged tones in fall before dropping. White to pale pink flowers with yellow throats appear on bare stems in late winter, 3–5 weeks before forsythia. Individual flowers measure approximately 0.5 inch (1.3 cm) across. The open, arching branch structure becomes apparent once foliage drops in fall and persists through winter. Late hard frosts can damage open flowers, turning petals brown and reducing the display. The plant produces sparse flowers and develops leggy growth over 2–3 seasons in shade.
Native Range
Abeliophyllum distichum is native to a restricted area in central Korea, primarily in Chungcheongbuk-do province. In its natural habitat it grows on rocky slopes and forest edges with well-drained soils at elevations of 300–1,000 feet (90–300 m). The species is classified as endangered in its native range due to habitat loss and its narrow geographic distribution.Suggested Uses
Commonly planted in mixed shrub borders and foundation plantings at 4–5 foot (1.2–1.5 m) spacing. The late winter flowering period makes it suited to placements near entries, walkways, or windows where the fragrance is accessible. The open, informal habit functions poorly as a formal hedge or anchor planting; it is typically combined with spring bulbs and later-blooming shrubs for extended seasonal interest. Flowering branches are cut for indoor forcing from January through February when buds show color.How to Identify
Appearance
Size & Dimensions
Height3' - 5'
Width/Spread3' - 5'
Reaches mature size in approximately 4 years
Bloom Information
Flowers appear in late February through March in zones 5–7, extending into April in zones 4–5, and beginning as early as January in zones 8–9. Individual flowers last 7–10 days; total bloom period extends 2–3 weeks. Flowers open on bare stems before leaf emergence. Late hard freezes after buds open can turn flowers brown and curtail the display in any given year.Detailed Descriptions
Flower Description
white to pale pink with yellow throatFoliage Description
medium green, purple-tinged in fallGrowing Conditions
Sun Requirements
Requires 4-12 hours of direct sunlight daily
• Full Sun: 6+ hours of direct sunlight
• Partial Shade: 3-6 hours of direct sunlight
• Full Shade: Less than 3 hours of direct sunlight
Care & Maintenance
Care Guide
Water weekly during the first two growing seasons in the absence of adequate rainfall. Established plants tolerate dry intervals of 10–14 days but perform best with consistent moisture during active growth. Poorly drained or consistently wet soils can lead to root rot within 1–2 years of planting. Full sun promotes the heaviest flower set; plants in shade flower sparsely and develop open, leggy structure over time. Apply balanced fertilizer after flowering in spring; excess fertilizer promotes vegetative growth at the expense of flower bud formation. In zones 4–5, flower buds may be damaged in winters when temperatures fall below -15°F (-26°C) without adequate snow cover.Pruning
Prune immediately after flowering in late March or April; pruning in fall or winter removes the following season's flower buds. Remove the oldest stems — those over 4–5 years — at ground level annually, cutting out approximately one-third of old stems to sustain flowering wood. For overgrown specimens, cut the entire shrub to 6–12 inches (15–30 cm) after spring bloom; the plant will regenerate but will not flower the following year. Cease all pruning by mid-May to allow next season's buds to develop.Pruning Schedule
J
F
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A
M
J
J
A
S
O
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D
early spring