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Cider Gum

Eucalyptus gunnii

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Plant Profile

Flowering Months:
Myrtaceae (Myrtle)
Also in this family:
Evergreen tree
Life Cycle:
Maximum Size:
40 metres tall
Gardens, parks, woodland.

White, no petals
Small clusters of white flowers.
Stalkless, cylindrical or barrel-shaped fruit, up to 3mm in length. Hairless.
An evergreen tree with simple, alternate, blus-green leaves. The older leaves are long, slender, pointed and hang downwards. The younger leaves are round, blue and unstalked.
Foliage is aromatic. Eucalyptus Oil comes from the leaves which comes from the unmistakable scent of the leaves when crushed.
Other Names:
Cider Tree, Gunnii, Tasmanian Cider Tree.
Frequency (UK):
Occasionally seen  

Other Information


Eucalyptus gunnii, also known as Cider Gum, is a species of evergreen tree in the Myrtaceae family. It is native to Tasmania, Australia. The tree can grow up to 40 m tall, with a trunk up to 1 m in diameter. It has smooth, light-gray bark that can be shed in large sheets. The leaves are glossy green, lance-shaped and about 12 cm long. The tree produces clusters of small white flowers in the summer. The tree is tolerant of cold temperatures and can survive temperatures as low as -12°C, making it a popular ornamental tree in many cool climates. It is also used for the production of timber, honey and essential oils.


Cider Gum, scientifically known as Eucalyptus gunnii, is a species of eucalyptus tree that is native to Tasmania, a large island state in Australia. It is a highly popular ornamental tree that is widely cultivated in different parts of the world due to its attractive appearance and numerous health benefits.

Appearance and Characteristics

Cider Gum is a medium-sized evergreen tree that can grow up to a height of 40 meters with a trunk diameter of up to 2 meters. The tree has a distinctive smooth, white to greyish bark, which sheds in strips to reveal a greenish layer underneath. The foliage of the tree is also unique, with oval to round-shaped leaves that are a powdery blue-gray color. The leaves also emit a pleasant aroma when crushed, hence the name Cider Gum.

Cider Gum thrives in full sunlight and well-drained soils. It is highly tolerant to drought and frost, making it an ideal tree for areas with a semi-arid climate. The tree also grows at a moderate pace, with an average growth rate of about 1-2 meters per year.

Uses of Cider Gum

Cider Gum is highly valued for its essential oils, which have numerous health benefits. The essential oil of Cider Gum is obtained by steam distillation of the leaves, and it is commonly used in aromatherapy, perfumery, and in the production of various medicinal products. The oil is also known to have antibacterial, antifungal, and anti-inflammatory properties, making it an essential ingredient in the production of various skincare products.

Apart from its medicinal properties, Cider Gum is also widely used for ornamental purposes. Its striking appearance and pleasant fragrance make it an ideal tree for landscaping, especially in gardens, parks, and along roadsides.

Conservation Status

Despite its widespread cultivation, Cider Gum is currently listed as a species of "Least Concern" on the International Union for Conservation of Nature (IUCN) Red List. However, like many other eucalyptus species, Cider Gum is susceptible to various threats, including habitat loss, insect infestation, and diseases. Therefore, it is essential to monitor its populations and conserve its habitat to ensure its survival.

Cider Gum, also known as Eucalyptus gunnii, is a fascinating tree that is widely cultivated for its ornamental value and numerous health benefits. Its unique appearance and pleasant fragrance make it an ideal tree for landscaping, while its essential oils have numerous medicinal properties. Therefore, it is important to protect its habitat and ensure its survival for future generations to enjoy.

More Information

Cider Gum has a rich cultural and historical significance in Australia, especially in Tasmania, where it is native. The tree was named after John Gunn, a renowned botanist who collected its type specimen during an expedition to Tasmania in the mid-19th century. Cider Gum has been used by the Aboriginal people for centuries for various purposes, including food, medicine, and ceremonial purposes.

The tree's leaves were used by the Aboriginal people to treat various ailments, including coughs, colds, and fever. The leaves were also used as an insect repellent, and the bark was used to make canoes and other craft items. The tree's wood is highly valued for its durability and is commonly used in the production of furniture, flooring, and construction materials.

Cider Gum has also gained popularity in recent years as a climate-change-resistant tree. The tree is highly tolerant to drought and can absorb large amounts of carbon dioxide from the atmosphere, making it an ideal tree for carbon sequestration programs. The tree's leaves also release volatile organic compounds, which can help in reducing air pollution in urban areas.

Cider Gum, Eucalyptus gunnii, is a versatile tree that has numerous benefits for both humans and the environment. Its unique appearance, pleasant fragrance, and medicinal properties make it an ideal tree for landscaping, while its wood is highly valued for its durability. As we continue to face the challenges of climate change and environmental degradation, Cider Gum is proving to be a valuable resource for mitigating these challenges.

One interesting fact about Cider Gum is that it is the primary food source for the Tasmanian blue gum beetle (Paropsisterna gloriosa), an insect native to Tasmania. The beetle feeds on the leaves of the Cider Gum, and in large numbers, it can cause significant defoliation and damage to the tree. However, the beetle is also important for the tree's survival as it helps to control the tree's growth and reduce competition among the trees.

Cider Gum is also a popular tree for beekeepers, as its nectar and pollen are highly attractive to bees. The honey produced from Cider Gum is of high quality and has a distinctive taste and aroma.

In addition to its health benefits, Cider Gum is also believed to have spiritual and cultural significance among some Aboriginal communities. The tree's leaves, bark, and wood are used in traditional ceremonies and rituals.

As an introduced species, Cider Gum has become invasive in some parts of the world, including parts of New Zealand, Europe, and South America. In these areas, the tree has escaped cultivation and has become a threat to native ecosystems.

In conclusion, Cider Gum is a fascinating tree that has numerous benefits for humans, wildlife, and the environment. Its unique appearance, pleasant fragrance, and medicinal properties make it an ideal tree for landscaping, while its wood and honey are highly valued. However, as with any introduced species, it is important to monitor its populations and prevent its spread into native ecosystems.

Distribution Map

Reproduced by kind permission of the BSBI.

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