Betula 'Polar Bear'
birch 'Polar Bear'
A large deciduous tree to 12m or more, with sturdy-looking branches and white bark that develops early in life. Leaves are dark green, turning yellow in autumn. Yellow-brown catkins appear in spring
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Size
Ultimate height
Higher than 12 metresTime to ultimate height
20–50 yearsUltimate spread
Wider than 8 metresGrowing conditions
Moisture
Moist but well–drained, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
Neutral, Alkaline, AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | Yellow Brown | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Yellow | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
West–facing or South–facing or North–facing or ·¡²¹²õ³Ù–f²¹³¦¾±²Ô²µ
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Betulaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Spreading branched, 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
Unresolved
How to grow
Cultivation
Will grow in a wide range of situations, in full sun or part shade. Best on neutral to acidic soils, but will grow with less vigour on a good chalk soil. For more information, see tree cultivation
Propagation
Suggested planting locations and garden types
- Cottage and informal garden
- Wildlife gardens
- Low Maintenance
- Flower borders and beds
Pruning
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
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