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Eucalyptus gunnii (Cider gum)

Intermediate
skill rating
1 hour care
per year
15m
Max height
12m
Max spread
15-20 years
To maturity

Plant details

Botanical name

Eucalyptus gunnii

Other names

Cider gum, Tasmanian cider tree

Genus

Eucalyptus Eucalyptus

Species

E. gunnii - E. gunnii is a large evergreen tree with peeling cream and brown bark; round, bright glaucous-blue leaves when young, turning grey-green with age; and clusters of small white flowers.


Eucalyptus gunnii is: Evergreen

Tree shape

Broadly conical

Awards

RHS AGM (Award of Garden Merit)

Flower

White, Insignificant or absent in Summer

Foliage

Grey-green in All seasons

How to care

Watch out for

Silver leaf , Oedema Silver leaf , Oedema

General care

Pruning

When mature Eucalyptus can be left to its own devices, if one grows it as a tree. The removal of damaged, diseased or crossing branches is advised in late winter or early spring. To sustain the most attractive youthful growth, cut shoots.

Propagation methods

Seed


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Where to grow

Eucalyptus gunnii (Cider gum) will reach a height of 15m and a spread of 12m after 15-20 years.

Suggested uses

Containers, Flower Arranging, Architectural, Sub-Tropical, Foliage only

Cultivation

Plant in slightly acidic soil with full sun and shelter when young. Ideal to plant the youngest available specimens in conditions as specified.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Eucalyptus gunnii

Other names

Cider gum, Tasmanian cider tree

Genus

Eucalyptus Eucalyptus

Species

E. gunnii - E. gunnii is a large evergreen tree with peeling cream and brown bark; round, bright glaucous-blue leaves when young, turning grey-green with age; and clusters of small white flowers.

Foliage

Evergreen

Tree shape

Broadly conical

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

White, Insignificant or absent in Summer

Foliage

Grey-green in All seasons


How to care

Watch out for

Specific diseases

Silver leaf , Oedema

General care

Pruning

When mature Eucalyptus can be left to its own devices, if one grows it as a tree. The removal of damaged, diseased or crossing branches is advised in late winter or early spring. To sustain the most attractive youthful growth, cut shoots.

Propagation methods

Seed


Monthly care advice


Where to grow

Eucalyptus gunnii (Cider gum) will reach a height of 15m and a spread of 12m after 15-20 years.

Suggested uses

Containers, Flower Arranging, Architectural, Sub-Tropical, Foliage only

Cultivation

Plant in slightly acidic soil with full sun and shelter when young. Ideal to plant the youngest available specimens in conditions as specified.

Soil type

Chalky, Clay, Loamy, Sandy (will tolerate most soil types)

Soil drainage

Well-drained, Moist but well-drained

Soil pH

Acid, Neutral

Light

Full Sun

Aspect

South

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Tender in frost (H3)

Defra's Risk register #1

Plant name

Eucalyptus gunnii (Cider gum)

Common pest name

; Apple bark beetle; Asian ambrosia beetle; Granulate ambrosia beetle

Scientific pest name

Xylosandrus crassiusculus

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

4

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Ambrosia beetle which can affect a wide range of broadleaved trees; widespread in Africa; Asia and parts of the US; with outbreaks in France and Italy. The UK climate is unlikely to be suitable for the pest to thrive and cause significant damage but needs to be investigated through research. A Europe-wide PRA will help inform the case for EU regulation. Premises involved in importing wood and host plants from Italy in particular; where official measures are not being taken; should source material carefully.

Defra's Risk register #2

Plant name

Eucalyptus gunnii (Cider gum)

Common pest name

Eucalyptus rust; Guava rust; Rust of eucalyptus; Rust of guava

Scientific pest name

Puccinia psidii

Type

Fungus

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

4

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Rust fungus affecting members of the myrtle family; including Eucalyptus. Europe wide assessment should be considered; given its spread to areas (i.e. Tasmania) with similar climatic conditions.

Defra's Risk register #3

Plant name

Eucalyptus gunnii (Cider gum)

Common pest name

Gum-tree weevil

Scientific pest name

Gonipterus gibberus

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

3

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Weevil pest of eucalyptus; present in Australia and South America. Actions would be taken against interceptions on a precautionary basis.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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25 july 2011 (25/07/2011)

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This plant likes... Garden match
Soil types: Chalky, Clay, Loamy, Sandy (will tolerate most soil types) Tell us...
Soil drainage: Well-drained, Moist but well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South Tell us...
Exposure: Sheltered Tell us...
Hardiness: Tender in frost (H3) Tell us...

DISCUSS THIS PLANT

?black spot

HiI have a one year old gunnii which is growing really well, but the leaves are turning deep pink and have random black spots on them. Someone has told me this is a disease called black spot. Don't… read more

how far to cut down - eucalyptus

I want to keep my eucalyptus low growing - a low bush - have been told can cut down every 2 or 3 years. How low can I safely cut without destroying it? read more

There are 5 active discussions about Eucalyptus gunnii (Cider gum)

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