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A picture of a Gum


Eucalyptus spp.

Also known as

Ironbark, Eucalyptus, Gum tree

Eucalyptus mannifera bark 2 by Donald Hobern (CC BY 2.0)

Full Sun
Moderate care
Moderate watering
Frost Hardy


RHS hardiness


Minimum temperature

Expected size








10 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

More images of Gum

A photo of Gum
An Eucalyptus tree with attractive bark
A photo of Gum
A close up of a Eucalyptus tree
A photo of Gum

Gum Overview

Eucalyptus is a large genus with over 820 evergreen shrub and tree species with attractive bark, flowers and aromatic foliage. They are distributed mainly in Australia, with species also found across Indonesia, the Philippines, Malaysia, Papua New Guinea and Melanesia. Flowers are petalless and consist of lots of coloured stamens, these may be red, white or yellow and give the overall appearance of being fluffy. This genus is widely cultivated for many reasons. Particularly for scientific research, horticulture and environmental protection schemes due to favourable traits possessed by species in this genus. Some of which include fast growth, production of oil with insecticidal properties and high water uptake. These plants generally grow to a large size but many cultivars have been bred, choose with care! Most species are hardy, but this is worth checking for any individual plant you're looking to grow. Plant in full sun and moist, well-draining soil for optimal growth.

Common problems with Gum

How to propagate Gum


Seed is the most reliable propagation method, cuttings are difficult to root.

Special features of Gum

Attractive leaves

Attractive foliage and ornamental bark in many species.

Attractive flowers

Beautiful bottle brush-like flowers.

Other uses of Gum

Grown for their bark, flowers and aromatic foliage. Suitable for coastal conditions.

Clay Soil Plants - Top 20

Sticky, clay soil that is either wet or rock hard? These plant will happily provide colour, texture and structure.

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Poisonous to Pets

If your pet likes to nibble your plants, check our collection to make sure what they're eating isn't doing them any harm.

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