Betula nigra 'Black Star'
black birch 'Black Star'
Fast-growing, deciduous tree about 15m tall with a graceful and airy habit. Selected for the papery, peeling pinkish-orange to brown bark which develops with age to create more colour variety, and glossy green foliage that turns yellow in autumn; yellow-brown male catkins in early 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–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow Brown | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Yellow | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical 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
Unresolved
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. See tree cultivation for further advice
Propagation
Suggested planting locations and garden types
- Architectural
- Coastal
- Cottage and informal garden
- Wildlife gardens
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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