Australian Wisteria Plant Care

Australian Wisteria (Austrocallerya australis) belongs to the Fabaceae family within the Austrocallerya genus. Australian Wisteria is native to north-eastern Australia, New Guinea and some Pacific Islands.

Australian Wisteria displays a tall, upright tree growth habit, reaching up to 15 ft tall with a spread of approximately 8 ft. Australian Wisteria produces showy clusters of yellow or pink pea-like flowers.

Leaf size: approximately 6 inches.

Water a young or newly planted Australian Wisteria every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Australian Wisteria thrives in full sun to partial shade.

Austrocallerya australis tolerates temperatures of 60–80°F. Australian Wisteria prefers humidity levels of 40–70%.

Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Australian Wisteria to prevent waterlogging, which leads to root rot and fungal issues.

Feed Australian Wisteria every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

The PlantoScan app can remind you when to water and when to fertilize each plant.

Choose a spot with full sun to partial shade and well-draining loamy soil with added compost for nutrients. Avoid low spots where water collects after rain.

Australian Wisteria is suited to USDA Zone 10a – 12b.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

Australian Wisteria can spread to about 8 ft (2.4 m) and reach about 15 ft (5 m) tall. Space plants about 8 ft (2.4 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

Prune Australian Wisteria while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

Australian Wisteria is frost-tender (hardy to USDA zone 10). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Australian Wisteria can be propagated through seeds, stem cuttings.

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Australian Wisteria is susceptible to aphids, leafhoppers, scale insects. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

Australian Wisteria grows outdoors in USDA Zone 10a – 12b. It survives winters down to planting zone 10a. Australian Wisteria is native to north-eastern Australia, New Guinea and some Pacific Islands. In cooler regions, grow Australian Wisteria as a houseplant or bring it indoors before the first frost.