Variable Lomatia Plant Care

Lomatia polymorpha R.Br.

Updated · Sources · How we source care data

Lomatia polymorpha, commonly known as mountain guitar plant, is a species of flowering plant in the family Proteaceae which is endemic to Tasmania. It is a shrub or small tree with linear leaves, and white, cream-coloured or greenish flowers.

🌳Trees🌿Shrubs
Water

Every 7–14 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Variable Lomatia?

Plant Variable Lomatia in full sun to partial shade (USDA zones 12a) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season.

Where Is the Variable Lomatia Native To?

Native range1 country

What Is the Variable Lomatia?

Variable Lomatia (Lomatia polymorpha) belongs to the Proteaceae family within the Lomatia genus. Variable Lomatia is native to Tasmania.

Variable Lomatia displays a tall, upright shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Variable Lomatia produces small clusters of white or pink flowers.

Leaf size: approximately 4 inches.

How Often Should You Water a Variable Lomatia?

Water a young or newly planted Variable Lomatia 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 Variable Lomatia Need?

Variable Lomatia thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Variable Lomatia Prefer?

Lomatia polymorpha tolerates temperatures of 50–80°F. Variable Lomatia prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Variable Lomatia?

Well-draining acidic soil mix with added sand and peat moss. Good drainage is essential for Variable Lomatia to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Variable Lomatia?

Feed Variable Lomatia 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 Variable Lomatia?

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

Variable Lomatia is suited to USDA Zone 12a.

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 Variable Lomatia?

Variable Lomatia 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 Variable Lomatia?

Prune Variable Lomatia 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 Variable Lomatia in Winter?

Variable Lomatia 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 Variable Lomatia?

Variable Lomatia can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to tree lomatia plant care, which shares the same genus.

Is the Variable Lomatia Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Variable Lomatia, 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 Variable Lomatia?

Variable Lomatia is susceptible to 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 Variable Lomatia Need?

Variable Lomatia grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Variable Lomatia is native to Tasmania. In cooler regions, grow Variable Lomatia as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Variable Lomatia 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 Lomatia genus — compare its care with other Lomatia species on PlantoScan.

Lomatia is part of the Proteaceae plant family — browse all Proteaceae genera and species.

Variable Lomatia thrives in bright light and direct sun — see other bright-light plants.

More Lomatia Species

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

Sources

  • Scientific name & taxonomy: Lomatia polymorpha R.Br., family Proteaceae (first published in Trans. Linn. Soc. London 10: 200 (1810)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Variable Lomatia, 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 12a, 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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