Polyscias dichroostachya Plant Care
Polyscias dichroostachya Baker
Updated · Sources · How we source care data
Polyscias dichroostachya, commonly called bois d'eponge, is a species of plant in the family Araliaceae. It is endemic to Mauritius, where it used to be common in the forests of the south-west of the island.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Polyscias dichroostachya?
Plant Polyscias dichroostachya in bright indirect light (USDA zones 13b) 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 4 months during the growing season.
Where Is the Polyscias dichroostachya Native To?
What Is the Polyscias dichroostachya?
Polyscias dichroostachya (Polyscias dichroostachya) belongs to the Araliaceae family within the Polyscias genus. Polyscias dichroostachya is native to Mauritius.
Polyscias dichroostachya displays an upright, bushy shrub growth habit, reaching up to 4 ft tall with a spread of approximately 3 ft. Polyscias dichroostachya produces small inconspicuous flowers.
Leaf size: approximately 6 inches.
How Often Should You Water a Polyscias dichroostachya?
Water a young or newly planted Polyscias dichroostachya 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 Polyscias dichroostachya Need?
Polyscias dichroostachya thrives in bright indirect light. Avoid placing Polyscias dichroostachya in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Polyscias dichroostachya Prefer?
Polyscias dichroostachya tolerates temperatures of 65–80°F. Polyscias dichroostachya 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 Polyscias dichroostachya?
Well-draining potting mix rich in organic matter. Good drainage is essential for Polyscias dichroostachya to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Polyscias dichroostachya?
Feed Polyscias dichroostachya every 4 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 4 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 Polyscias dichroostachya?
Choose a spot with bright indirect light and well-draining potting mix rich in organic matter. Avoid low spots where water collects after rain.
Polyscias dichroostachya is suited to USDA Zone 13b.
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 Polyscias dichroostachya?
Polyscias dichroostachya can spread to about 3 ft (0.9 m) and reach about 4 ft (1 m) tall. Space plants about 3 ft (0.9 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 Polyscias dichroostachya?
Prune Polyscias dichroostachya 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 Polyscias dichroostachya in Winter?
Polyscias dichroostachya 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.
How Do You Propagate a Polyscias dichroostachya?
Polyscias dichroostachya can be propagated through stem cuttings, air layering. Similar propagation techniques also apply to balfour aralia plant care, which shares the same genus.
Is the Polyscias dichroostachya Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Polyscias dichroostachya, 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 Polyscias dichroostachya?
Polyscias dichroostachya is susceptible to spider mites, mealybugs, 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.
What USDA Hardiness Zone Does the Polyscias dichroostachya Need?
Polyscias dichroostachya grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Polyscias dichroostachya is native to Mauritius. In cooler regions, grow Polyscias dichroostachya as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Polyscias dichroostachya 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 Polyscias genus — compare its care with other Polyscias species on PlantoScan.
Polyscias is part of the Araliaceae plant family — browse all Araliaceae genera and species.
Polyscias dichroostachya thrives in bright light and direct sun — see other bright-light plants.
More Polyscias Species
Other Polyscias species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Polyscias dichroostachya Baker, family Araliaceae (first published in Fl. Mauritius : 127 (1877)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Polyscias dichroostachya, 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 13b, calculated from the plant's minimum temperature.
- 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.
