Betula raddeana

RHS Plant Profile
Radde's birch

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Radde's birch RHS
Radde's birch RHS
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A small tree or large shrub, with white to silver-grey flaking bark. Dark green corrugated leaves, turning yellow in autumn, are borne on downy shoots. Pendent yellow-brown catkins appear in early spring

Position

Full sun, Partial shade

Soil Types

Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity
10–20 years
Max Spread
4-8 metres
Max Height
4-8 metres

Growing Conditions

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

Position

Full sun Partial shade
Aspect
North–facing or West–facing or South–facing or East–facing
Exposure
Exposed or 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)
H7

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Betulaceae
Native to GB/Ireland
No
Foliage
Deciduous
Habit
Bushy
Genus
Betula can be deciduous trees or shrubs, usually colouring well in autumn and often with striking white, pink, or peeling brown bark; separate male and female catkins open before or with the leaves in spring
Name Status
Correct
Plant Range
Caucasus

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun or partial shade; tolerant of a range of soil conditions. See tree cultivation for further advice

Propagation

Propagate by seed, softwood cuttings or grafting

Suggested planting locations and garden types

  • Cottage and informal garden
  • Wildflower meadow
  • Coastal
  • Wildlife gardens

Pruning

Pruning group 1; birches bleed heavily, prune only when fully dormant from late summer to before mid-winter

Pests

May be susceptible to birch borers, leaf-mining sawflies and aphids

Diseases

May be susceptible to honey fungus, a tree rust and powdery mildews