Phaeanthus ophthalmicus Plant Care

Phaeanthus ophthalmicus (Roxb. ex G.Don) J.Sinclair

Updated · Sources · How we source care data

Phaeanthus ophthalmicus is a species of plant in the family Annonaceae and tribe Miliuseae. It is a tree found from Peninsular Malaysia to New Guinea.

Water

Every 7–14 days

Light

Partial shade to full sun

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Phaeanthus ophthalmicus?

Plant Phaeanthus ophthalmicus in partial shade to full sun (USDA zones 13b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season.

What Is the Phaeanthus ophthalmicus?

Phaeanthus ophthalmicus (Phaeanthus ophthalmicus) belongs to the Annonaceae family within the Phaeanthus genus.

Phaeanthus ophthalmicus displays a small tree, spreading canopy growth habit, reaching up to 15 ft tall with a spread of approximately 10 ft. Phaeanthus ophthalmicus produces small, fragrant white flowers.

Leaf size: approximately 6 inches.

How Often Should You Water a Phaeanthus ophthalmicus?

Water a young or newly planted Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus Need?

Phaeanthus ophthalmicus thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Phaeanthus ophthalmicus Prefer?

Phaeanthus ophthalmicus tolerates temperatures of 65–80°F. Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus?

Rich, well-draining loamy soil with added organic matter. Good drainage is essential for Phaeanthus ophthalmicus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Phaeanthus ophthalmicus?

Feed Phaeanthus ophthalmicus 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.

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 Phaeanthus ophthalmicus?

Choose a spot with partial shade to full sun and rich, well-draining loamy soil with added organic matter. Avoid low spots where water collects after rain.

Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus?

Phaeanthus ophthalmicus can spread to about 10 ft (3 m) and reach about 15 ft (5 m) tall. Space plants about 10 ft (3 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 Phaeanthus ophthalmicus?

Prune Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus in Winter?

Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus?

Phaeanthus ophthalmicus can be propagated through seeds, stem cuttings.

Is the Phaeanthus ophthalmicus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Phaeanthus ophthalmicus, 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 Phaeanthus ophthalmicus?

Phaeanthus ophthalmicus 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 Phaeanthus ophthalmicus Need?

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

Hardiness Zone

Zone 13b

Keep exploring plants

Phaeanthus ophthalmicus 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 Phaeanthus genus — compare its care with other Phaeanthus species on PlantoScan.

Phaeanthus is part of the Annonaceae plant family — browse all Annonaceae genera and species.

Phaeanthus ophthalmicus thrives in bright light and direct sun — see other bright-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Phaeanthus ophthalmicus (Roxb. ex G.Don) J.Sinclair, family Annonaceae (first published in Gard. Bull. Singapore 14: 374 (1955)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Phaeanthus ophthalmicus, 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.

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