Rambai Plant Care

Rambai (Baccaurea tetrandra) belongs to the Phyllanthaceae family within the Baccaurea genus. Rambai is native to Southeast Asia. Rambai is also known as Rambai Puteh.

Rambai displays a small to medium-sized tree growth habit, reaching up to 25 ft tall with a spread of approximately 15 ft. Rambai produces small, inconspicuous flowers in clusters.

Leaf size: approximately 6 inches.

Water a young or newly planted Rambai 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.

Rambai thrives in partial shade to full sun.

Baccaurea tetrandra tolerates temperatures of 60–85°F. Rambai prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining, slightly acidic soil with added organic matter like compost or peat moss. Good drainage is essential for Rambai to prevent waterlogging, which leads to root rot and fungal issues.

Feed Rambai 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 partial shade to full sun and well-draining, slightly acidic soil with added organic matter like compost or peat moss. Avoid low spots where water collects after rain.

Rambai is suited to USDA Zone 11a – 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.

Rambai can spread to about 15 ft (4.6 m) and reach about 25 ft (8 m) tall. Space plants about 15 ft (4.6 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 Rambai 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.

Rambai is frost-tender (hardy to USDA zone 11). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Rambai can be propagated through seeds, air layering. Similar propagation techniques also apply to wild grape plant care, which shares the same genus.

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

Rambai is susceptible to aphids, scale insects, mealybugs. 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.

Rambai grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Rambai is native to Southeast Asia. In cooler regions, grow Rambai as a houseplant or bring it indoors before the first frost.