Colourful Tree Services
Brisbane tree guide

Tallowwood

Eucalyptus microcorys · also called Tallow wood

Tallowwood is a tall, straight-trunked gum with soft, stringy, red-brown bark, native to South East Queensland and coastal New South Wales. Brisbane City Council names it among the eucalypts koalas eat, and its very strong, durable timber has long been used for flooring, decking and poles. It can pass 40 metres, so it belongs in parks, acreage and large gardens rather than small yards.

  • Native to South East Queensland
  • 25 to 40 m tall
  • Flowers August to November
Tallowwood, from Wikimedia Commons
Photo: Casliber, CC BY-SA 3.0, via Wikimedia Commons

Tallowwood at a glance

Height
25 to 40 m (up to 60 m in the wild)
Leaves
Evergreen
Flowers
White, cream, August to November
Roots
Aggressive
Origin
Near Cooranbong (NSW) north to Fraser Island and west to Toowoomba
Family
Myrtaceae

How to identify a tallowwood

Look for a straight trunk with soft, fibrous, red-brown to grey-brown bark that continues right up into the small branches. Up close, the bark is often flecked with tiny brown, mica-like flakes, a handy clue. Adult leaves are glossy green, lance-shaped and 6 to 15 cm long, darker on top than underneath. Club-shaped buds in clusters of about seven to eleven open to white or pale yellow flowers, followed by small cone- or pear-shaped gumnuts up to about 9 mm long. The gumnut shape and mica flecks help tell it from other stringy-barked eucalypts.

Growing a tallowwood in Brisbane

Tallowwood is a local. It grows naturally from near Cooranbong on the New South Wales coast north to Fraser Island (K'gari) and west to Toowoomba, mostly in tall forest on fertile soils. In Brisbane it suits large properties, parks and koala habitat plantings. It likes full sun, copes with a range of soils and is very hardy, but it grows into a very large tree, so keep it away from houses, pipes and small gardens.

What to watch out for

Size is the big one. Tallowwood commonly grows to about 40 metres and occasionally 60, and Unitywater lists large gum trees among the trees not to plant near water and sewer pipes. Give it plenty of room from the house, pipes and power lines. Any pruning or removal of a big eucalypt over buildings is a job for a professional with the right gear.

  • Size. It commonly grows to about 40 metres and occasionally 60, so it isn't suited to small gardens.

Pruning and care

Tallowwood needs little routine pruning. Remove dead, damaged or crossing branches, and lift low limbs gradually if you need clearance, cutting just outside the branch collar. Water young trees until they're established; after that the tree is very hardy and copes with a range of soils. Because of its height, any pruning above ground level is a job for a qualified arborist with the right gear.

Tallowwood: your questions

Short answers, from the sources below.

Back to the tree guide

Do koalas eat tallowwood?
Yes. Brisbane City Council lists tallowwood among the eucalypts koalas eat in South East Queensland, so it's a valuable tree in koala areas.
How tall does a tallowwood grow?
Tallowwood commonly grows to about 40 metres and occasionally reaches 60 metres in the forest. Planted trees can also pass 25 metres.
When does tallowwood flower?
Flowering has been recorded mainly from August to November, with white to pale yellow blossom, and occasionally in January.

Sources and credits

  1. Eucalyptus microcorys PlantNET (NSW Flora Online), Royal Botanic Gardens and Domain Trust
  2. Eucalyptus microcorys EUCLID: Eucalypts of Australia (Centre for Australian National Biodiversity Research)
  3. Eucalyptus microcorys Australian Plants Society NSW
  4. Census of the Queensland Flora and Fungi 2025 Queensland Herbarium, Queensland Government
  5. Koala conservation Brisbane City Council
  6. Think before you plant Unitywater
  7. Importance of flying-foxes Queensland Government

Photo: Casliber, CC BY-SA 3.0, via Wikimedia Commons.

This profile updates sheet 51 of the plant profile booklet made for Colourful Tree Lopping in 2013. We checked every fact against current sources and rewrote it for the guide.

Checked October 2026. Weed listings and council rules change: check the council's and the Queensland Government's pages before you act.

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