Oblong Geebung Plant Care

Oblong Geebung (Persoonia oblongata) belongs to the Proteaceae family within the Persoonia genus. Oblong Geebung is native to New South Wales, Australia.

Oblong Geebung displays an upright, bushy shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Oblong Geebung produces small, yellow flowers in clusters.

Leaf size: approximately 4 inches.

Water a young or newly planted Oblong Geebung 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.

Oblong Geebung thrives in full sun to partial shade.

Persoonia oblongata tolerates temperatures of 50–80°F. Oblong Geebung prefers humidity levels of 40–70%.

Well-draining sandy soil with added organic matter for nutrients. Good drainage is essential for Oblong Geebung to prevent waterlogging, which leads to root rot and fungal issues.

Feed Oblong Geebung every 8 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 sandy soil with added organic matter for nutrients. Avoid low spots where water collects after rain.

Oblong Geebung is suited to USDA Zone 12a.

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.

Oblong Geebung can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 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 Oblong Geebung 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.

Oblong Geebung is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Oblong Geebung can be propagated through seeds, cuttings. Similar propagation techniques also apply to needle geebung plant care, which shares the same genus.

See all plants toxic to cats and plants toxic to dogs.

Oblong Geebung is susceptible to aphids, scale insects, caterpillars. 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.

Oblong Geebung grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Oblong Geebung is native to New South Wales, Australia. In cooler regions, grow Oblong Geebung as a houseplant or bring it indoors before the first frost.