Alphitonia excelsa
Alphitonia excelsa · Rhamnaceae
The gardener's calendar
In autumn, ease off feeding and take the chance to clean up around alphitonia excelsa and prepare for winter.
ID card
- Common name
- White wood, Alphitonia
- Family
- Rhamnaceae
- Type
- Tree
- Foliage
- Evergreen
- Flowering
- Spring to summer (small inconspicuous flowers)
- Adult size
- 8 to 12 m in height
- Growth
- Moderate to fast
- Hardiness
- Tropical and subtropical climate (not frost hardy)
- Origin
- Australia, New Caledonia
Care
Light exposure
Alphitonia excelsa prefers full sun exposure for optimal development. It tolerates partial shade, but its growth and foliage density will be reduced. Plant it in a location sheltered from strong winds.
Watering
Water regularly when establishing the tree, then moderately once it is well-rooted. In humid tropical climates, watering can often be reduced. During dry periods, increase watering to keep the soil slightly moist without waterlogging.
Soil
This tree adapts to a wide range of soils, including poor and rocky terrain. Prefer well-draining soil, slightly acidic to neutral. Adding compost at planting time promotes rooting.
Pruning and shaping
Pruning is not essential except to maintain shape or remove dead or crossing branches. Carry out operations in late winter or early spring. Light pruning when young helps structure the naturally branching form naturally.
Fertilizing
Fertilize moderately in spring and early summer with a balanced fertilizer, especially when young to accelerate establishment. A mature, well-established tree requires little additional input in its natural environment.
Diseases and pests
Generally, Alphitonia excelsa is hardy to the conditions of its native climate. Watch for root rot if drainage is poor. Specific pests are rare in ornamental cultivation, but good hygiene prevents problems.
Did you know?
Alphitonia excelsa was used by indigenous peoples of Australia and Pacific islands for medicinal and craft purposes. Its wood, white and lightweight, was historically used to make tools and small objects, hence its common name 'white wood'. This tree also plays an important ecological role as a host plant for certain Polynesian insects.
Where to buy it
Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.
Add this plant to my garden →Plants from the same family
- Alder buckthornFrangula alnus
- BuckthornRhamnus alaternus
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- Indian jujubeZiziphus mauritiana
- BlueblossomCeanothus thyrsiflorus
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Tips generated and checked by Viridia — adapt them to your local climate.