Philippine Rosewood Plant Care

Philippine Rosewood (Petersianthus quadrialatus) belongs to the Lecythidaceae family within the Petersianthus genus. Philippine Rosewood is also known as Manggachapuy.

Philippine Rosewood displays a tall tree, pyramidal shape growth habit, reaching up to 30 ft tall with a spread of approximately 15 ft. Philippine Rosewood produces large showy white or pink flowers with prominent stamens.

Leaf size: approximately 8 inches.

Water a young or newly planted Philippine Rosewood 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.

Philippine Rosewood thrives in partial shade to full sun.

Petersianthus quadrialatus tolerates temperatures of 65–85°F. Philippine Rosewood prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Philippine Rosewood to prevent waterlogging, which leads to root rot and fungal issues.

Feed Philippine Rosewood 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 loamy soil with added organic matter for moisture retention. Avoid low spots where water collects after rain.

Philippine Rosewood is suited to USDA Zone 13b.

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.

Philippine Rosewood can spread to about 15 ft (4.6 m) and reach about 30 ft (9 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 Philippine Rosewood 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.

Philippine Rosewood is frost-tender (hardy to USDA zone 13). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

Philippine Rosewood can be propagated through seeds, stem cuttings.

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Philippine Rosewood is susceptible to aphids, scale insects, spider mites. 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.

Philippine Rosewood grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. In cooler regions, grow Philippine Rosewood as a houseplant or bring it indoors before the first frost.