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Gaudium laevigatum

coast teatree

Myrtaceae Coastal southeastern Australia

Attracts Pollinators Drought Tolerant Fragrant (light)

SunFull Sun

WaterLow · drought-tolerant

HardinessZones 9–11

Overview

Gaudium laevigatum, formerly Leptospermum laevigatum, is an evergreen shrub or small tree reaching 6.5-20 feet (2-6 m) tall and 6.5-13 feet (2-4 m) wide, often developing a gnarled trunk and spreading canopy with age. The grey-green leaves are obovate, 0.4-1.2 inches (1-3 cm) long, with a small point at the tip and an aromatic scent when crushed. White five-petalled flowers about 0.6-0.8 inch (1.5-2 cm) across cover the branches in spring. Woody capsules 0.2-0.3 inch (5-8 mm) wide follow and persist on the stems for several years, releasing seed after fire or branch death. Bark is grey and peels in thin strips on older trunks. Native to coastal dunes of southeastern Australia, it stabilises sand and tolerates salt-laden wind, but it has naturalised beyond its range and is recorded as a weed in South Africa, California, and parts of Australia outside its native distribution. It withstands drought once established and grows in low-fertility sandy soils. Light frost is tolerated, limiting cultivation to USDA zones 9-11.

Native Range

Native to coastal southeastern Australia, including Victoria, New South Wales, Tasmania, and South Australia, where it grows on dunes and sandy coastal heath. It has naturalised in South Africa, California, and beyond its native range within Australia.

Suggested Uses

Planted for coastal dune stabilisation, windbreaks, and informal screening in sandy seaside gardens. Within its native range it supports dune revegetation, while outside it is being replaced with local non-weedy species.

How to Identify

Identify Gaudium laevigatum by its grey-green obovate leaves with a pointed tip, its aromatic crushed foliage, and the white open flowers borne along the stems in spring. Woody, rounded seed capsules persisting on older wood and a gnarled, peeling-barked trunk help separate it from related tea-trees.

Appearance

Size & Dimensions

Height6'6" - 20'

Width/Spread6'6" - 13'

Colors

Flower Colors

Foliage Colors

Fall Foliage Colors

Bloom Information

Bloom Period

~6 weeks

Spring

White flowers appear in spring, mainly September to November in the southern hemisphere and April to May where grown in the northern hemisphere. Flowering lasts several weeks and is followed by woody capsules that stay on the branches long after the petals fall.

Detailed Descriptions

Foliage Description

grey-green

Growing Conditions

Sun Requirements

SunFull Sun

Requires 6-12 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

Soil Requirements

pH Range5.0 - 7.5(Neutral)

357912

Soil Types

sand loam rocky

Drainagewell drained

Water & Climate

Water Needs

Low

Frost Tolerance

hardy

Time to Maturity

5-10 years

Drought Tolerance

Drought tolerant when established

Care & Maintenance

Care Guide

Grow Gaudium laevigatum in full sun in well-drained sandy or rocky soil. Established plants tolerate drought, coastal salt spray, and wind, making it suited to exposed seaside sites. It performs poorly in heavy, waterlogged ground. The species withstands only light frost and suits warm-temperate and Mediterranean climates. Where it grows outside its native range it can self-seed into bushland and dunes. Little supplementary feeding is needed in its typical low-fertility soils.

Pruning

Prune lightly after flowering to shape young plants, as the species tolerates trimming but does not reshoot strongly from bare old wood. Hard cutting into leafless stems may leave gaps that are slow to refill.