Barkley Pandanus (Pandanus barkleyi)

Image: AI generated

Barkley Pandanus Plant Care

Pandanus barkleyi Baif.f.

Updated · Sources · How we source care data

Pandanus barkleyi is easily recognized by its long, slender, green leaves that spiral around its trunk. This unique plant is native to the tropical rainforests of Papua New Guinea. Plant collectors are drawn to Pandanus barkleyi for its striking foliage and its ability to thrive in humid, tropical environments.

Water

Every 7–14 days

Light

Full sun to partial shade

Temp

65–85°F

Humidity

50–80%

At a glance

How do you care for Barkley Pandanus?

Plant Barkley Pandanus in full sun to partial shade (USDA zones 10b–12b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–85°F (18–29°C). Fertilize it every 6 months during the growing season.

Where Is the Barkley Pandanus Native To?

Native range1 country

What Is the Barkley Pandanus?

Barkley Pandanus (Pandanus barkleyi) belongs to the Pandanaceae family within the Pandanus genus. Barkley Pandanus is native to Mauritius.

Barkley Pandanus displays a tall, palm-like tree growth habit, reaching up to 20 ft tall with a spread of approximately 10 ft. Barkley Pandanus produces fragrant white flowers on long spikes.

Leaf size: approximately 24 inches.

How Often Should You Water a Barkley Pandanus?

Water a young or newly planted Barkley Pandanus 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 Barkley Pandanus Need?

Barkley Pandanus thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Barkley Pandanus Prefer?

Pandanus barkleyi tolerates temperatures of 65–85°F. Barkley Pandanus prefers humidity levels of 50–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

65–85°F

Humidity

50–80%

What Soil Mix Works Best for a Barkley Pandanus?

Loamy, well-draining soil with added sand and peat moss. Good drainage is essential for Barkley Pandanus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Barkley Pandanus?

Feed Barkley Pandanus 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 Barkley Pandanus?

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

Barkley Pandanus is suited to USDA Zone 10b – 12b.

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 Barkley Pandanus?

Barkley Pandanus can spread to about 10 ft (3 m) and reach about 20 ft (6 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 Barkley Pandanus?

Prune Barkley Pandanus 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 Barkley Pandanus in Winter?

Barkley Pandanus is frost-tender (hardy to USDA zone 10). 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 Barkley Pandanus?

Barkley Pandanus can be propagated through air layering, stem cuttings. Similar propagation techniques also apply to dwarf screw pine plant care, which shares the same genus.

Is the Barkley Pandanus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Barkley Pandanus, 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 Barkley Pandanus?

Barkley Pandanus is susceptible to spider mites, 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 Barkley Pandanus Need?

Barkley Pandanus grows outdoors in USDA Zone 10b – 12b. It survives winters down to planting zone 10b. Barkley Pandanus is native to Mauritius. In cooler regions, grow Barkley Pandanus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 10b – 12b

Keep exploring plants

Barkley Pandanus 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 Pandanus genus — compare its care with other Pandanus species on PlantoScan.

Pandanus is part of the Pandanaceae plant family — browse all Pandanaceae genera and species.

Barkley Pandanus thrives in bright light and direct sun — see other bright-light plants.

More Pandanus Species

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

Sources

  • Scientific name & taxonomy: Pandanus barkleyi Baif.f., family Pandanaceae (first published in Fl. Mauritius : 397 (1877)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Barkley Pandanus, 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.
  • Photo: AI-generated illustration (labelled on the image).
  • Hardiness zone: USDA Zone 10b – 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.

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