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Johnston's gum

Eucalyptus johnstonii

Also called Tasmanian Yellow Gum, Brown Gum, Yellow Gum, Tamanian Yellow Gum

Johnston's gum
Photo: Ian Brooker and David Kleinig, CC BY 3.0 au

Johnston's gum is a medium to tall forest tree from south-eastern Tasmania, growing 40 to 50 m with smooth yellow to greenish bark. It is a large landscape tree rather than a garden or houseplant, so it needs space and cool, open conditions to thrive.

Family
Myrtaceae (Myrtle family)
Grows as
Tree
Light
Full sun
Water
Water young trees regularly until established, then rely mostly on rainfall.
Soil
Well-drained soil, tolerant of poor and acidic conditions.
Temperature
Cool temperate climate; tolerates frost and cold winters.
How easy
Moderate
Native range
SC. & SE. Tasmania
Climate
temperate

About

Eucalyptus johnstonii, commonly known as Tasmanian yellow gum, is a species of medium-sized to tall tree endemic to Tasmania. It has smooth yellow to greenish bark, lance-shaped adult leaves, flower buds in groups of three, white flowers and hemispherical or bell-shaped fruit.

Where it grows

Tasmanian yellow gum grows in tall forest on mountains and plateaus in south-eastern Tasmania including on Mount Wellington, Bruny Island, and the Tasman Peninsula.

Other Eucalyptus plants

Eucalyptus abdita · Badgingarra Box · Wattle Leaved Peppermint · Powder Bark Wandoo · Woolbernup Mallee · White-mahogany · Lakefield Coolibah · Wellstead Mallee · Eucalyptus aenea · Welcome Hill Gum · Blue-leaf stringybark · Black Gum

Text excerpted from the Wikipedia article Eucalyptus johnstonii 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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