Corymbia hamersleyana Plant Care

Corymbia hamersleyana (Corymbia hamersleyana) belongs to the Myrtaceae family within the Corymbia genus. Corymbia hamersleyana is native to the Pilbara region of Western Australia.

Corymbia hamersleyana displays a tall, upright tree growth habit, reaching up to 50 ft tall with a spread of approximately 20 ft. Corymbia hamersleyana produces showy clusters of white, pink, or red flowers.

Leaf size: approximately 6 inches.

Water a young or newly planted Corymbia hamersleyana 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.

Corymbia hamersleyana thrives in full sun.

Corymbia hamersleyana tolerates temperatures of 50–90°F. Corymbia hamersleyana prefers humidity levels of 40–70%.

Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Corymbia hamersleyana to prevent waterlogging, which leads to root rot and fungal issues.

Feed Corymbia hamersleyana 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 and well-draining sandy loam with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Corymbia hamersleyana 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.

Corymbia hamersleyana can spread to about 20 ft (6.1 m) and reach about 50 ft (15 m) tall. Space plants about 20 ft (6.1 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 Corymbia hamersleyana 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.

Corymbia hamersleyana 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.

Corymbia hamersleyana can be propagated through seeds, cuttings. Similar propagation techniques also apply to ghost gum plant care, which shares the same genus.

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Corymbia hamersleyana is susceptible to lerp psyllids, borers, 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.

Corymbia hamersleyana grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Corymbia hamersleyana is native to the Pilbara region of Western Australia. In cooler regions, grow Corymbia hamersleyana as a houseplant or bring it indoors before the first frost.