Aralia castanopsisicola Plant Care

Aralia castanopsisicola (Hayata) J.Wen

Updated · Sources · How we source care data

Aralia castanopsicola, synonym Pentapanax castanopsicola, is a species of plant in the family Araliaceae. It is endemic to Taiwan.

Water

Every 7–14 days

Light

Bright indirect to low light

Temp

65–75°F

Humidity

50–70%

At a glance

How do you care for Aralia castanopsisicola?

Plant Aralia castanopsisicola in bright indirect to low light (USDA zones 13b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–75°F (18–24°C). Fertilize it every 4 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Aralia castanopsisicola Native To?

Native range1 country

What Is the Aralia castanopsisicola?

Aralia castanopsisicola (Aralia castanopsisicola) belongs to the Araliaceae family within the Aralia genus. Aralia castanopsisicola is native to Taiwan.

Aralia castanopsisicola displays a tall, upright shrub growth habit, reaching up to 5 ft tall with a spread of approximately 3 ft. Aralia castanopsisicola produces small clusters of white or pale yellow flowers.

Leaf size: approximately 8 inches.

How Often Should You Water a Aralia castanopsisicola?

Water a young or newly planted Aralia castanopsisicola 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.

Watering Frequency

Every 7–14 days

Until established; then in dry spells

What Light Does the Aralia castanopsisicola Need?

Aralia castanopsisicola thrives in bright indirect to low light. Avoid placing Aralia castanopsisicola in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect to low light

What Temperature and Humidity Does the Aralia castanopsisicola Prefer?

Aralia castanopsisicola tolerates temperatures of 65–75°F. Aralia castanopsisicola prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–75°F

Humidity

50–70%

What Soil Mix Works Best for a Aralia castanopsisicola?

Well-draining, rich potting mix with added perlite for aeration. Good drainage is essential for Aralia castanopsisicola to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Aralia castanopsisicola?

Feed Aralia castanopsisicola every 4 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.

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 Aralia castanopsisicola?

Choose a spot with bright indirect to low light and well-draining, rich potting mix with added perlite for aeration. Avoid low spots where water collects after rain.

Aralia castanopsisicola 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.

How Far Apart Should You Plant a Aralia castanopsisicola?

Aralia castanopsisicola can spread to about 3 ft (0.9 m) and reach about 5 ft (2 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 tree spacing calculator.

How Do You Prune a Aralia castanopsisicola?

Prune Aralia castanopsisicola 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.

How Do You Care for a Aralia castanopsisicola in Winter?

Aralia castanopsisicola 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 Aralia castanopsisicola?

Aralia castanopsisicola can be propagated through stem cuttings, air layering, division. Similar propagation techniques also apply to chinese angelica tree plant care, which shares the same genus.

Is the Aralia castanopsisicola Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

Mildly toxic to humans and pets if ingested

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 Aralia castanopsisicola?

Aralia castanopsisicola is susceptible to spider mites, 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.

What USDA Hardiness Zone Does the Aralia castanopsisicola Need?

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

Hardiness Zone

Zone 13b

Keep exploring plants

Aralia castanopsisicola 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 Aralia genus — compare its care with other Aralia species on PlantoScan.

Aralia is part of the Araliaceae plant family — browse all Araliaceae genera and species.

Aralia castanopsisicola copes with lower light than most plants — browse the full list of low-light plants.

More Aralia Species

Other Aralia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Aralia castanopsisicola (Hayata) J.Wen, family Araliaceae (first published in Brittonia 45: 52 (1993)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Aralia castanopsisicola is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. 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.

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