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Forest redgum

Eucalyptus tereticornis

Also called Blue Gum, Forest Red Gum, Red Irongum, Flooded Gum, Red Gum, Queensland Blue Gum, Bastard Box

Forest redgum
Photo: Ethel Aardvark, CC BY 3.0

Forest redgum is a tall, fast-growing eucalyptus tree from eastern Australia and southern New Guinea, reaching 20 to 50 m with a straight trunk and patchy white, grey and blue bark. It is grown in large open spaces, not as a garden or houseplant, and needs full sun and room to grow.

Family
Myrtaceae (Myrtle family)
Grows as
Tree
Light
Full sun
Water
Water deeply while young, then rely mostly on rainfall once established; it tolerates dry spells.
Soil
Well-drained soil; tolerates a range of soils including heavy clay.
Temperature
Tolerates warm seasonally dry tropical to temperate climates; frost tolerance varies by provenance, young plants are most sensitive.
How easy
Easy
Native range
New Guinea to E. & SE. Australia
Climate
seasonally dry tropical

About

Eucalyptus tereticornis, commonly known as forest red gum, blue gum or red irongum, is a species of tree that is native to eastern Australia and southern New Guinea. It has smooth bark, lance-shaped to curved adult leaves, flower buds in groups of seven, nine or eleven, white flowers and hemispherical fruit.

Where it grows

The species has a wide distribution, occurring over the widest range of latitudes of any Eucalyptus species, occurring from southern Papua New Guinea at latitude 15°S, to southeastern Victoria at latitude 38°S. The forest red gum is one of the key canopy species of the threatened Cumberland Plain Woodlands.

Uses

The tree has a strong, hard and durable heartwood, with a density of about 1100 kg m−3. It is used for construction in heavy engineering, such as for railway sleepers. The leaves of E. tereticornis are used in the production of cineole based eucalyptus oil.

Other Eucalyptus plants

White eucalyptus · New England Stringybark · River redgum · Coowarra Box · Coolabah · Narrowleaf red ironbark · White gum · Indonesian gum · River peppermint gum · Tasmanian bluegum · Cider gum · Araluen Gum

Text excerpted from the Wikipedia article Eucalyptus tereticornis by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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