Eucalyptus youmanii

RHS Plant Profile
Youman's gum

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Trees

A broadleaf, evergreen tree with blue and green foliage and small, cream flowers appearing in spring and summer. Attracts bees and birds making it an excellent addition to pollinator gardens. Drought-tolerant once established

Position

Full sun

Soil Types

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

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

Position

Full sun
Aspect
East–facing or South–facing or West–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)
H5
Drought Resistance
Yes

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Myrtaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Columnar upright
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

How to Grow

Cultivation

Prefers well-drained soil but can adapt to a variety of soil conditions. Keep soil on the dry side in summer. See eucalyptus cultivation for further advice

Propagation

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

Suggested planting locations and garden types

  • Architectural
  • Wildlife gardens

Pruning

pruning group 1, or for the best display of juvenile foliage, pruning group 7. See Eucalyptus: pruning for further advice

Pests

May be susceptible to eucalyptus gall wasp and eucalyptus sucker

Diseases

May be susceptible to silver leaf and oedema. Resistant to Verticillium wilt