Eucalyptus subcrenulata

RHS Plant Profile
Tasmanian alpine yellow gum

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Tasmanian alpine yellow gum RHS
Tasmanian alpine yellow gum Wolfgang Bopp
Trees
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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

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

Higher than 12 metres

Max Spread

wider than 8 metres

Size

Time to Maturity
20–50 years
Max Spread
wider than 8 metres
Max Height
Higher than 12 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained or Poorly–drained or Well–drained
pH
Acid or Neutral

Position

Full sun
Aspect
North–facing or West–facing or South–facing or East–facing
Exposure
Sheltered
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 & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Myrtaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Spreading branched
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
Name Status
Correct
Plant Range
Australia (Tasmania)

How to Grow

Cultivation

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

Propagation

Propagate by seed at 13-18°C in spring and summer

Suggested planting locations and garden types

  • Architectural
  • Low Maintenance

Pruning

Pruning group 1, or for the best display of juvenile foliage use Pruning group 7.

Pests

May be susceptible to eucalyptus gall wasp and eucalyptus sucker

Diseases

May be susceptible to silver leaf, oedema and honey fungus