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Size
Ultimate height
Higher than 12 metresTime to ultimate height
20鈥�50 yearsUltimate spread
4鈥�8 metresGrowing conditions
Chalk
Clay
Loam
Moisture
Moist but well鈥揹rained, 笔辞辞谤濒测鈥揹谤补颈苍别诲pH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | Brown | ||
| Autumn | Green | |||
| Winter | Yellow |
Position
- Full sun
Aspect
South鈥揻acing or North鈥揻acing or East鈥揻acing or 奥别蝉迟鈥揻补肠颈苍驳
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Betulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Columnar upright
- Genus
Alnus are vigorous deciduous trees and large shrubs with rounded leaves and often conspicuous catkins in winter
- Name status
Correct
- Plant range
- Corsica & S Italy
How to grow
Cultivation
This genus is noted for its ability to thrive in poor, wet conditions and is widely used in land reclamation
Propagation
Propagate by seed or hardwood cuttings
Suggested planting locations and garden types
- Wildlife gardens
- Low Maintenance
- Hedging and screens
Pruning
Pests
May be susceptible to alder sucker and leaf-mining sawflies
Diseases
May be susceptible to Phytophthora and honey fungus
911爆料
911爆料 is the UK鈥檚 leading gardening charity. We aim to enrich everyone鈥檚 life through plants, and make the UK a greener and more beautiful place.