Sweet-scented mountain heath (Acrothamnus suaveolens)

Photo: Ken-ichi UedaCC BY 4.0via iNaturalistresized / cropped

Sweet-scented mountain heath Plant Care

Acrothamnus suaveolens (Hook.f.) Quinn

Updated · Sources · How we source care data

This unique plant is known for its delicate, needle-like leaves that give off a sweet aroma when crushed. Originating from the coastal heathlands of Australia, Acrothamnus suaveolens is sought after by plant collectors for its rarity and ability to thrive in sandy, well-drained soils.

🌿Shrubs
Water

Every 7–10 days

Light

Partial shade to full shade

Temp

55–70°F

Humidity

50–70%

At a glance

How do you care for Sweet-scented mountain heath?

Plant Sweet-scented mountain heath in partial shade to full shade (USDA zones 12b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 55–70°F (13–21°C). Fertilize it every 6 months during the growing season.

Where Is the Sweet-scented mountain heath Native To?

Native range3 countries

What Is the Sweet-scented mountain heath?

Sweet-scented mountain heath (Acrothamnus suaveolens) belongs to the Ericaceae family within the Acrothamnus genus. Sweet-scented mountain heath is native to alpine and sub-alpine areas of the Indomalayan and Australasian realms, including Mount Kinabalu in Borneo, Davao and Mount Apo on Mindanao, the Bantaeng mountains in southwestern Sulawesi, and Mount Fetin on Timor.

Sweet-scented mountain heath displays a low spreading shrub growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Sweet-scented mountain heath produces small bell-shaped white flowers in clusters.

Leaf size: approximately 2.5 inches.

How Often Should You Water a Sweet-scented mountain heath?

Water a young or newly planted Sweet-scented mountain heath every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs 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 Sweet-scented mountain heath Need?

Sweet-scented mountain heath thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Sweet-scented mountain heath in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Partial shade to full shade

100–500 lux

What Temperature and Humidity Does the Sweet-scented mountain heath Prefer?

Acrothamnus suaveolens tolerates temperatures of 55–70°F. Sweet-scented mountain heath prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.

Temperature

55–70°F

Humidity

50–70%

What Soil Mix Works Best for a Sweet-scented mountain heath?

Well-draining acidic soil mix with high organic content, such as peat moss and pine bark. Good drainage is essential for Sweet-scented mountain heath to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Sweet-scented mountain heath?

Feed Sweet-scented mountain heath every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs 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 Sweet-scented mountain heath?

Choose a spot with partial shade to full shade and well-draining acidic soil mix with high organic content, such as peat moss and pine bark. Avoid low spots where water collects after rain.

Sweet-scented mountain heath is suited to USDA Zone 12b.

Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Sweet-scented mountain heath?

Sweet-scented mountain heath can spread to about 2 ft (0.6 m) and reach about 2 ft (0 m) tall. Space plants about 2 ft (0.6 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 plant spacing calculator.

How Do You Prune a Sweet-scented mountain heath?

Prune Sweet-scented mountain heath 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 shrub in one year.

How Do You Care for a Sweet-scented mountain heath in Winter?

Sweet-scented mountain heath 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 Sweet-scented mountain heath?

Sweet-scented mountain heath can be propagated through seeds, stem cuttings.

Is the Sweet-scented mountain heath Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Sweet-scented mountain heath, 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 Sweet-scented mountain heath?

Sweet-scented mountain heath is susceptible to spider mites, 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 Sweet-scented mountain heath Need?

Sweet-scented mountain heath grows outdoors in USDA Zone 12b. It survives winters down to planting zone 12b. Sweet-scented mountain heath is native to alpine and sub-alpine areas of the Indomalayan and Australasian realms, including Mount Kinabalu in Borneo, Davao and Mount Apo on Mindanao, the Bantaeng mountains in southwestern Sulawesi, and Mount Fetin on Timor. In cooler regions, grow Sweet-scented mountain heath as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12b

Keep exploring plants

Sweet-scented mountain heath 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 Acrothamnus genus (family Ericaceae) — search all Acrothamnus species in the plant lookup.

Sweet-scented mountain heath copes with lower light than most plants — browse the full list of low-light plants.

Related Plant Care Guides

Closely related plants with similar care requirements:

Sources

  • Scientific name & taxonomy: Acrothamnus suaveolens (Hook.f.) Quinn, family Ericaceae (first published in Austral. Syst. Bot. 18: 452 (2005)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Sweet-scented mountain heath, 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.
  • Photo: Ken-ichi Ueda, CC BY 4.0, iNaturalist — original.
  • 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.

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