Xanthophyllum fragrans Plant Care

Xanthophyllum fragrans C.T.White

Updated · Sources · How we source care data

Xanthophyllum fragrans, commonly known as fragrant boxwood, is an evergreen plant in the family Polygalaceae found only in the Wet Tropics bioregion of Queensland, Australia.

Water

Every 7–10 days

Light

Partial shade to full sun

Temp

60–85°F

Humidity

50–70%

At a glance

How do you care for Xanthophyllum fragrans?

Plant Xanthophyllum fragrans in partial shade to full sun (USDA zones 13a) and water a young tree every 7–10 days until it is established. It tolerates temperatures of 60–85°F (16–29°C). Fertilize it every 6 months during the growing season.

What Is the Xanthophyllum fragrans?

Xanthophyllum fragrans (Xanthophyllum fragrans) belongs to the Polygalaceae family within the Xanthophyllum genus.

Xanthophyllum fragrans displays a small to medium-sized tree growth habit, reaching up to 20 ft tall with a spread of approximately 15 ft. Xanthophyllum fragrans produces small clusters of white or pale yellow flowers.

Leaf size: approximately 6 inches.

How Often Should You Water a Xanthophyllum fragrans?

Water a young or newly planted Xanthophyllum fragrans every 7–10 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 7–10 days

Until established; then in dry spells

What Light Does the Xanthophyllum fragrans Need?

Xanthophyllum fragrans thrives in partial shade to full sun.

Light Requirement

Partial shade to full sun

What Temperature and Humidity Does the Xanthophyllum fragrans Prefer?

Xanthophyllum fragrans tolerates temperatures of 60–85°F. Xanthophyllum fragrans prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

60–85°F

Humidity

50–70%

What Soil Mix Works Best for a Xanthophyllum fragrans?

Well-draining loamy soil with added organic matter for moisture retention. Good drainage is essential for Xanthophyllum fragrans to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Xanthophyllum fragrans?

Feed Xanthophyllum fragrans 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 Xanthophyllum fragrans?

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

Xanthophyllum fragrans is suited to USDA Zone 13a.

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 Xanthophyllum fragrans?

Xanthophyllum fragrans can spread to about 15 ft (4.6 m) and reach about 20 ft (6 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 Xanthophyllum fragrans?

Prune Xanthophyllum fragrans 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 Xanthophyllum fragrans in Winter?

Xanthophyllum fragrans 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 Xanthophyllum fragrans?

Xanthophyllum fragrans can be propagated through seeds, stem cuttings.

Is the Xanthophyllum fragrans Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Xanthophyllum fragrans, 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 Xanthophyllum fragrans?

Xanthophyllum fragrans is susceptible to aphids, 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 Xanthophyllum fragrans Need?

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

Hardiness Zone

Zone 13a

Keep exploring plants

Xanthophyllum fragrans 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 Xanthophyllum genus — compare its care with other Xanthophyllum species on PlantoScan.

Xanthophyllum is part of the Polygalaceae plant family — browse all Polygalaceae genera and species.

Xanthophyllum fragrans 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: Xanthophyllum fragrans C.T.White, family Polygalaceae (first published in Proc. Roy. Soc. Queensland 50: 67 (1938 publ. 1939)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Xanthophyllum fragrans, 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 13a, 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.

PlantoScan app icon

Identify Plants Like the
Xanthophyllum fragrans Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species