Medicosma mulgraveana Plant Care

Medicosma mulgraveana T.G.Hartley

Updated · Sources · How we source care data

Medicosma mulgraveana is a species of small tree in the family Rutaceae and is endemic to a restricted area of far north Queensland. It has mostly trifoliate leaves with elliptical to egg-shaped leaflets and white flowers borne in small groups in leaf axils.

🌳Trees🌿Shrubs🍎Fruit & Berries
Water

Every 7–10 days

Light

Full sun to partial shade

Temp

55–85°F

Humidity

40–70%

At a glance

How do you care for Medicosma mulgraveana?

Plant Medicosma mulgraveana in full sun to partial shade (USDA zones 12b) and water a young tree every 7–10 days until it is established. It tolerates temperatures of 55–85°F (13–29°C). Fertilize it every 6 months during the growing season.

Where Is the Medicosma mulgraveana Native To?

Native range1 country

What Is the Medicosma mulgraveana?

Medicosma mulgraveana (Medicosma mulgraveana) belongs to the Rutaceae family within the Medicosma genus. Medicosma mulgraveana is native to a restricted area of far north Queensland.

Medicosma mulgraveana displays an upright, small tree or shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Medicosma mulgraveana produces small white flowers in clusters.

Leaf size: approximately 3 inches.

How Often Should You Water a Medicosma mulgraveana?

Water a young or newly planted Medicosma mulgraveana 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 Medicosma mulgraveana Need?

Medicosma mulgraveana thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Medicosma mulgraveana Prefer?

Medicosma mulgraveana tolerates temperatures of 55–85°F. Medicosma mulgraveana prefers humidity levels of 40–70%.

Temperature

55–85°F

Humidity

40–70%

What Soil Mix Works Best for a Medicosma mulgraveana?

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

How Often Should You Fertilize a Medicosma mulgraveana?

Feed Medicosma mulgraveana 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 Medicosma mulgraveana?

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

Medicosma mulgraveana is suited to USDA Zone 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 Medicosma mulgraveana?

Medicosma mulgraveana can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 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 Medicosma mulgraveana?

Prune Medicosma mulgraveana 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 Medicosma mulgraveana in Winter?

Medicosma mulgraveana is frost-tender (hardy to USDA zone 12). 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 Medicosma mulgraveana?

Medicosma mulgraveana can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to medicosma elliptica plant care, which shares the same genus.

Is the Medicosma mulgraveana Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Medicosma mulgraveana, 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 Medicosma mulgraveana?

Medicosma mulgraveana is susceptible to citrus whitefly, citrus leafminer, 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 Medicosma mulgraveana Need?

Medicosma mulgraveana grows outdoors in USDA Zone 12b. It survives winters down to planting zone 12b. Medicosma mulgraveana is native to a restricted area of far north Queensland. In cooler regions, grow Medicosma mulgraveana as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12b

Keep exploring plants

Medicosma mulgraveana 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 Medicosma genus — compare its care with other Medicosma species on PlantoScan.

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

Medicosma mulgraveana 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: Medicosma mulgraveana T.G.Hartley, family Rutaceae (first published in Fl. Australia 26: 581 (2013)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Medicosma mulgraveana, 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 12b, 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
Medicosma mulgraveana 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