Growli

Plant care

Snowberry care

Gaultheria hispida

Also called Snowberry, Copperleaf snowberry, Tasmanian snowberry.

RHS H3USDA 8-10Mildly toxic to petsIndoor 0.6–1.5 m tall (occasionally to 2 m)

Watering rhythm

Bright indirect light (just back from a sunny window)

Regular; keep consistently moist

Light

Bright indirect light (just back from a sunny window)

Soil

Acidic, humus-rich, moist but free-draining

Humidity

High

Temp

-5 to 20°C

Pet safety

Mildly toxic to pets

Mature size

0.6–1.5 m tall (occasionally to 2 m)

Care at a glance

Light

Bright but filtered. Snowberry burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Grows naturally as an understorey shrub in moist mountain forests. Prefers dappled shade to part sun. Protect from hot afternoon sun, which scorches the leaves and reduces berry quality. Morning sun in a cool, sheltered spot is acceptable. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering snowberry: regular; keep consistently moist. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Native to wet, cool Tasmanian mountain forests and requires constantly moist, humus-rich soil. Water regularly and never allow the root zone to dry out. Excellent drainage is equally important as standing water promotes root rot. Mulch thickly.

Soil and pot

Snowberry grows best in acidic, humus-rich, moist but free-draining. Requires pH 4.5–6.0 ericaceous soil with high organic matter content. Light, loamy soils amended with composted bark or leaf mould are ideal. Avoid waterlogged or alkaline conditions. Best suited to cool, moist garden soils or ericaceous container compost. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Snowberry sits happiest at around High humidity and -5 to 20°C (23 to 68°F). Native to the cool, wet Tasmanian highlands at 250–1,100 m altitude. Requires high ambient humidity. In continental or dry climates, grow under glass with regular misting. Suited to mild oceanic gardens in south-west England, Ireland, and the Pacific Northwest. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed snowberry sparingly. Apply a dilute ericaceous liquid fertiliser monthly through the growing season. Avoid high-nitrogen feeds. A mulch of composted bark in spring feeds the plant slowly and maintains the cool, moist root environment it needs. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on snowberry in the Growli community. Each is annotated with the most common cause so you know where to start.

  • Frost damageMuch less cold-hardy than European Gaultheria species. In the UK, frost below -5 to -7°C can damage or kill plants. Grow in a sheltered, frost-free position or bring container plants under glass before the first autumn frost.
  • Root rot in wet or compacted soilDespite needing moisture, the roots are intolerant of waterlogging. Ensure excellent drainage and plant in raised beds or containers with drainage holes. Standing water around the crown in winter is particularly damaging.
  • Failure to establish outside mild climatesThis Tasmanian endemic struggles outside mild, humid maritime conditions. In colder or drier inland gardens, grow as a cool greenhouse or conservatory plant, using ericaceous compost and maintaining cool, moist conditions year-round.

Propagation

Semi-ripe cuttings in summer rooted in acidic cutting compost in a heated propagator. Seed can be sown on ericaceous compost or moistened sphagnum moss in spring — germination is improved with a cold stratification period of 4–6 weeks. Plants can also be layered in autumn. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Snowberry is mildly toxic to pets. Gaultheria hispida is not individually listed by the ASPCA. As with most Gaultheria species, the berries and foliage may cause mild gastrointestinal upset if ingested by pets or humans in quantity. No severe systemic toxicity is documented for this species, but caution is advised. Consult a vet if a pet ingests significant amounts. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Snowberry care — frequently asked questions

What is Snowberry?

Snowberry (Gaultheria hispida) is a flowering plant with a erect, multi-branched, bushy evergreen shrub growth habit, reaching 0.6–1.5 m tall (occasionally to 2 m), 0.5–1 m spread (2–5 ft tall × 18 in–3 ft spread) at maturity. An erect, multi-branched, evergreen shrub endemic to the cool, wet mountain forests and alpine woodlands of Tasmania. Known for its pure white, fleshy berries and leaves with a distinctive coppery tinge on new growth.

How much light does snowberry need?

Snowberry grows best in bright indirect light (just back from a sunny window). Grows naturally as an understorey shrub in moist mountain forests. Prefers dappled shade to part sun. Protect from hot afternoon sun, which scorches the leaves and reduces berry quality. Morning sun in a cool, sheltered spot is acceptable.

How often should I water snowberry?

Water snowberry regular; keep consistently moist. Native to wet, cool Tasmanian mountain forests and requires constantly moist, humus-rich soil. Water regularly and never allow the root zone to dry out. Excellent drainage is equally important as standing water promotes root rot. Mulch thickly. The finger-test (or lifting the pot to feel its weight) beats a fixed weekly calendar because pot size, light, and season all change how fast the soil dries.

Is snowberry toxic to cats and dogs?

Snowberry is mildly toxic to pets. Gaultheria hispida is not individually listed by the ASPCA. As with most Gaultheria species, the berries and foliage may cause mild gastrointestinal upset if ingested by pets or humans in quantity. No severe systemic toxicity is documented for this species, but caution is advised. Consult a vet if a pet ingests significant amounts.

What USDA hardiness zone does snowberry grow in?

Snowberry is rated for USDA zone 8-10 and RHS hardiness H3. Outside that range, grow it as a container plant that overwinters indoors before the first hard frost.

Snowberry deep-dive guides

Every aspect of snowberry care, each with its own calibrated guide:

Featured in these plant shortlists

Snowberry qualifies for 3 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

Related guides

Snowberry is also known as Snowberry, Copperleaf snowberry, and Tasmanian snowberry.