Pycnandra decandra Plant Care

Pycnandra decandra (Montrouz.) Vink

Updated · Sources · How we source care data

The most distinctive visual feature of this plant is its bright blue-green leaves that contain high levels of nickel. Originating from New Caledonia in the southwest Pacific, this unique plant is highly desirable to collectors for its ability to hyperaccumulate nickel in its foliage, making it a fascinating addition to any collection.

Water

Every 7–14 days

Light

Bright indirect light

Temp

65–80°F

Humidity

50–70%

At a glance

How do you care for Pycnandra decandra?

Plant Pycnandra decandra in bright indirect light (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.

Where Is the Pycnandra decandra Native To?

Native range1 country

What Is the Pycnandra decandra?

Pycnandra decandra (Pycnandra decandra) belongs to the Sapotaceae family within the Pycnandra genus. Pycnandra decandra is native to New Caledonia.

Pycnandra decandra displays a tall, upright tree growth habit, reaching up to 30 ft tall with a spread of approximately 15 ft. Pycnandra decandra produces small, inconspicuous flowers.

Leaf size: approximately 6 inches.

How Often Should You Water a Pycnandra decandra?

Water a young or newly planted Pycnandra decandra 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 Pycnandra decandra Need?

Pycnandra decandra thrives in bright indirect light. Avoid placing Pycnandra decandra in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Bright indirect light

What Temperature and Humidity Does the Pycnandra decandra Prefer?

Pycnandra decandra tolerates temperatures of 65–80°F. Pycnandra decandra 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 Pycnandra decandra?

Well-draining, acidic soil with high organic content. Good drainage is essential for Pycnandra decandra to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Pycnandra decandra?

Feed Pycnandra decandra 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 Pycnandra decandra?

Choose a spot with bright indirect light and well-draining, acidic soil with high organic content. Avoid low spots where water collects after rain.

Pycnandra decandra 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 Pycnandra decandra?

Pycnandra decandra can spread to about 15 ft (4.6 m) and reach about 30 ft (9 m) tall. Space plants about 15 ft (4.6 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 tree spacing calculator.

How Do You Prune a Pycnandra decandra?

Prune Pycnandra decandra 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 Pycnandra decandra in Winter?

Pycnandra decandra 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 Pycnandra decandra?

Pycnandra decandra can be propagated through seeds, air layering. Similar propagation techniques also apply to nickel plant plant care, which shares the same genus.

Is the Pycnandra decandra Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Pycnandra decandra, 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 Pycnandra decandra?

Pycnandra decandra is susceptible to 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 Pycnandra decandra Need?

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

Hardiness Zone

Zone 13b

Keep exploring plants

Pycnandra decandra 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 Pycnandra genus — compare its care with other Pycnandra species on PlantoScan.

Pycnandra is part of the Sapotaceae plant family — browse all Sapotaceae genera and species.

Pycnandra decandra 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: Pycnandra decandra (Montrouz.) Vink, family Sapotaceae (first published in Nova Guinea , n.s., 8: 111 (1957)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Pycnandra decandra, 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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