Betula medwediewii 'Gold Bark'

RHS Plant Profile

transcaucasian birch 'Gold Bark'

Trees

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A large, multi-stemmed shrub or small tree to a height of up to 10m, with a conical to rounded canopy of dense, robust branches. Leaves are glossy, wide and deep green. The bark and more mature branches are pale gold in colour; it also has vibrant, yellow autumn colour. Large yellow, becoming brown, catkins appear in May

Position

Full sun, Partial shade

Soil Types

Sand, Loam, Clay, Chalk

Max Height

8-12 metres

Max Spread

wider than 8 metres

Size

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

Growing Conditions

Sand Loam Clay Chalk

Moisture: Well–drained or Moist but well–drained
pH: Neutral or Alkaline or Acid

Position

Full sun Partial shade

Aspect: West–facing or South–facing or North–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): H7

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Betulaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Spreading branched
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: Accepted

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun or partial shade but tolerant of a range of soil conditions

Propagation

Propagate by softwood cuttings or grafting

Suggested planting locations and garden types

Cottage and informal garden
Low Maintenance
Flower borders and beds

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