- Mature height
- 10m to 25m (approx.)
- Mature width
- 10m to 15m
Eucalyptus microcarpa, the Grey Box, is a robust medium to large Australian native eucalyptus valued for its drought tolerance, wildlife habitat benefits, and low-maintenance nature. It is a tough, long-lived tree with strong character.
Grey Box grows to 15-25 metres tall with a broad domed canopy spreading 10-15 metres. It has narrow lance-shaped grey-green leaves and a gnarled trunk with rough grey bark. Creamy-white flowers from late summer to autumn attract birds and pollinators. The size and toughness suit shelterbelts, shade planting, and habitat restoration on larger properties.
Grey Box thrives in full sun and well-drained soils, including clay loams and poorer soils, and needs minimal water once established. It performs well across NSW, VIC, and parts of SA, and is valued where longevity and resilience matter more than rapid growth.
Frequently Asked Questions
About Eucalyptus microcarpa Grey Box
How tall does Grey Box grow?
Eucalyptus microcarpa grows to 15-25 metres tall with a broad domed canopy spreading 10-15 metres.
How fast does Grey Box grow?
Grey Box has a moderate growth rate, and is valued for longevity and toughness rather than rapid growth.
Is Grey Box an Australian native?
Yes. Eucalyptus microcarpa is native to south-eastern Australia, found across inland NSW, VIC, and parts of SA.
When does Grey Box flower?
Grey Box produces creamy-white flowers from late summer to autumn, attracting birds, native bees, and other pollinators.
Is Grey Box drought tolerant?
Yes. Grey Box is highly drought tolerant once established and copes well with clay loams and poorer soils.
Is Grey Box suitable for residential gardens?
Grey Box suits larger gardens, rural properties, and habitat restoration projects due to its mature size. Allow plenty of room for the broad canopy.
Where does Grey Box grow best in Australia?
Grey Box thrives across NSW, VIC, and parts of SA in full sun with well-drained soil, tolerating heat and drought.