Grey alder (Alnus incana) is a tree that can grow higher than 15m tall and wider than 8 metres wide.
This plant has several common names including: grey alder, gray alder, American black alder, common black alder, hoary-leaved alder or speckled alder.
This is a deciduous plant that takes 20-50 years to reach full maturity.
Plant profile
Common name: grey alder, gray alder, American black alder, common black alder, hoary-leaved alder, speckled alder
Scientific name: Alnus incana
Plant type: Trees
Habit: Columnar / Upright
Height: Higher than 15m
Spread: Wider than 8 metres
Foliage: Deciduous
Sunlight: Full Sun
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained, Poorly drained, Well drained
Garden type: Coastal, Informal Garden, Wildlife Gardens
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |
How to plant Grey alder (Alnus incana) – AnRo0002, CC0, via Wikimedia Commons
Cultivation profiles – Growing Grey alder (Alnus incana) – Vassil, Public domain, via Wikimedia Commons
