Pillai Tree Plant Care
Aglaia costata Merr.
Updated · Sources · How we source care data
With its striking, ribbed leaves that resemble a dragon's scales, this plant originates from the rainforests of Southeast Asia. Plant collectors are drawn to Aglaia costata for its unique foliage and its ability to thrive in tropical climates, making it a desirable addition to any exotic plant collection.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Pillai Tree?
Plant Pillai Tree in bright indirect light (USDA zones 11a–12b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.
Where Is the Pillai Tree Native To?
What Is the Pillai Tree?
Pillai Tree (Aglaia costata) belongs to the Meliaceae family within the Aglaia genus. Pillai Tree is native to the Philippines.
Pillai Tree displays a compact, bushy shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Pillai Tree produces small, fragrant clusters of yellow flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Pillai Tree?
Water a young or newly planted Pillai Tree every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Pillai Tree Need?
Pillai Tree thrives in bright indirect light. Avoid placing Pillai Tree in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Pillai Tree Prefer?
Aglaia costata tolerates temperatures of 65–80°F. Pillai Tree prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Pillai Tree?
Well-draining, fertile soil with added organic matter. Good drainage is essential for Pillai Tree to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Pillai Tree?
Feed Pillai Tree every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs 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.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Pillai Tree?
Choose a spot with bright indirect light and well-draining, fertile soil with added organic matter. Avoid low spots where water collects after rain.
Pillai Tree is suited to USDA Zone 11a – 12b.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Pillai Tree?
Pillai Tree can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 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 plant spacing calculator.
How Do You Prune a Pillai Tree?
Prune Pillai Tree 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 shrub in one year.
How Do You Care for a Pillai Tree in Winter?
Pillai Tree 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.
How Do You Propagate a Pillai Tree?
Pillai Tree can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to aglaia aherniana plant care, which shares the same genus.
Is the Pillai Tree Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Pillai Tree, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Pillai Tree?
Pillai Tree 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.
What USDA Hardiness Zone Does the Pillai Tree Need?
Pillai Tree grows outdoors in USDA Zone 11a – 12b. It survives winters down to planting zone 11a. Pillai Tree is native to the Philippines. In cooler regions, grow Pillai Tree as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11a – 12b
Keep exploring plants
Pillai Tree is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Aglaia genus — compare its care with other Aglaia species on PlantoScan.
Aglaia is part of the Meliaceae plant family — browse all Meliaceae genera and species.
Pillai Tree thrives in bright light and direct sun — see other bright-light plants.
More Aglaia Species
Other Aglaia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Aglaia costata Merr., family Meliaceae (first published in Philipp. J. Sci., C 3: 146 (1908)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Pillai Tree, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 11a – 12b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
