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, ±Ê´Ç´Ç°ù±ô²â–d°ù²¹¾±²Ô±ð»å, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»åpH
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 °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ
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
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