• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Eucalyptus gunnii

Cider gum

AGM plants

AGM plants have been through a rigourous trial and assessment programme. They are:

  • Excellent for ordinary use in appropriate conditions
  • Available to buy
  • Of good constitution
  • Essentially stable in form & colour
  • Reasonably resistant to pests & diseases
Cider gum

© � RHS 1988

  • Other common names Cider gum
    Cider tree

    Tasmanian cider tree

    see more
  • Genus Eucalyptus are evergreen trees or large shrubs, often fast-growing, some with attractive bark, most with aromatic foliage, and clusters of small, white, yellow or red flowers

  • Family Myrtaceae / Myrtaceae

  • Species E. gunnii is a large evergreen tree with peeling cream and brown bark. Juvenile foliage bright glaucous-blue, rounded; adult leaves elliptic or sickle-shaped, grey-green. Flowers white, in small clusters

  • Plant range Tasmania

Characteristics

  • Foliage Evergreen

  • Habit Columnar_Upright#Columnar/Upright

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H5

Colour

Sunlight

  • Full Sun

  • Aspect North-facing or East-facing or South-facing or West-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained, Poorly-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Neutral

Size

  • Ultimate height

    Higher than 12 metres

  • Ultimate spread

    wider than 8 metres

  • Time to ultimate height

    10-20 years

How to grow

Cultivation Grow in slightly acidic soil with full sun and shelter when young

Propagation Propagate by seed

Suggested planting locations and garden types Sub-tropical Patio & Container Plants Architectural

How to care

Pruning Pruning group 1. For best juvenile foliage prune as pruning group 7. Restrictive pruning may be necessary under glass

Pests Suckers may be a problem

Diseases May be affected by silver leaf and oedema

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