Alnus incana 'Aurea'
grey alder 'Aurea'
A large, conical, deciduous tree with yellow-green leaves. Conspicuous male catkins, to 10cm long, appear in spring. The smaller female catkins are followed by small, cone-like fruit that turn dark brown in autumn and persist into winter
Size
Ultimate height
8–12 metresTime to ultimate height
20–50 yearsUltimate spread
4–8 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Brown | Green Yellow | ||
---|---|---|---|---|
Summer | Green Yellow | |||
Autumn | Green Yellow | Brown | ||
Winter | Brown |
Position
- Full sun
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H7Botanical details
- Family
- Betulaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Alnus are vigorous deciduous trees and large shrubs with rounded leaves and often conspicuous catkins in winter
- Name status
Accepted
How to grow
Cultivation
Able to thrive in poor, wet conditions but also tolerates dry soils
Propagation
Propagate by hardwood cuttings
Suggested planting locations and garden types
- Low Maintenance
- Hedging and screens
Pruning
Pests
May be susceptible to alder leaf beetle, alder sucker and leaf-mining sawflies
Diseases
May be susceptible to phytophthora root rot and honey fungus
Get involved
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