• AGM plants

    AGM plants have been through a rigorous 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 subcrenulata

Tasmanian alpine yellow gum

  • Other common names Tasmanian alpine yellow gum

  • Family Myrtaceae

  • 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

  • Details E. subcrenulata is a tree to potentially 10-20m, with a moderately fast growth rate, but can be managed by pruning or coppicing. Bark is smooth and grey, with yellow-green patches, peeling when mature. Leaves are oval, glossy green and sometimes red-edged on juvenile growth, darker and more lanceolate on mature growth, aromatic

  • Plant range Australia (Tasmania)

Characteristics

  • Foliage Evergreen

  • Habit Spreading / Branched

  • Fragrance Foliage

  • 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)

    H4

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

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

  • SoilSand, Chalk, Clay, Loam

  • pHAcid, Neutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height 20-50 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 Low Maintenance Architectural

How to care

Pruning Pruning group 1

Pests Suckers may be a problem

Diseases May be affected by silver leaf and oedema

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