New Caledonia Citrus Plant Care

Citrus neocaledonica Guillaumin

Updated · Sources · How we source care data

This plant is easily recognizable by its glossy, dark green leaves with wavy edges. Citrus neocaledonica hails from New Caledonia and is highly sought after by plant collectors for its unique foliage and rareness in cultivation. Its striking appearance adds an exotic touch to any indoor garden.

🌳Trees🌿Shrubs🍎Fruit & Berries
Water

Every 7–14 days

Light

Full sun

Temp

55–85°F

Humidity

50–70%

At a glance

How do you care for New Caledonia Citrus?

Plant New Caledonia Citrus in full sun (USDA zones 10b–12b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 55–85°F (13–29°C). Fertilize it every 4 months during the growing season.

Where Is the New Caledonia Citrus Native To?

Native range1 country

What Is the New Caledonia Citrus?

New Caledonia Citrus (Citrus neocaledonica) belongs to the Rutaceae family within the Citrus genus. New Caledonia Citrus is native to New Caledonia. New Caledonia Citrus is also known as New Caledonian Citrus.

New Caledonia Citrus displays a small to medium-sized evergreen tree growth habit, reaching up to 15 ft tall with a spread of approximately 10 ft. New Caledonia Citrus produces fragrant white flowers with waxy petals.

Leaf size: approximately 4 inches.

How Often Should You Water a New Caledonia Citrus?

Water a young or newly planted New Caledonia Citrus 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 New Caledonia Citrus Need?

New Caledonia Citrus thrives in full sun.

Light Requirement

Full sun

What Temperature and Humidity Does the New Caledonia Citrus Prefer?

Citrus neocaledonica tolerates temperatures of 55–85°F. New Caledonia Citrus prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

55–85°F

Humidity

50–70%

What Soil Mix Works Best for a New Caledonia Citrus?

Well-draining sandy loam with added organic matter. Good drainage is essential for New Caledonia Citrus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a New Caledonia Citrus?

Feed New Caledonia Citrus 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 New Caledonia Citrus?

Choose a spot with full sun and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.

New Caledonia Citrus 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 New Caledonia Citrus?

New Caledonia Citrus 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 New Caledonia Citrus?

Prune New Caledonia Citrus 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 New Caledonia Citrus in Winter?

New Caledonia Citrus 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 New Caledonia Citrus?

New Caledonia Citrus can be propagated through seeds, grafting, air-layering. Similar propagation techniques also apply to lemon tree plant care, which shares the same genus.

Is the New Caledonia Citrus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list New Caledonia Citrus, 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 New Caledonia Citrus?

New Caledonia Citrus is susceptible to citrus leafminer, citrus whitefly, aphids, 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 New Caledonia Citrus Need?

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

Hardiness Zone

Zone 10b – 12b

Keep exploring plants

New Caledonia Citrus 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 Citrus genus — compare its care with other Citrus species on PlantoScan.

Citrus is part of the Rutaceae plant family — browse all Rutaceae genera and species.

New Caledonia Citrus thrives in bright light and direct sun — see other bright-light plants.

More Citrus Species

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

Sources

  • Scientific name & taxonomy: Citrus neocaledonica Guillaumin, family Rutaceae (first published in Notul. Syst. (Paris) 2: 129, 406 (1913)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list New Caledonia Citrus, 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 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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