Alnus incana is a deciduous Tree growing to 18 m (59ft) by 5 m (16ft) at a fast rate.It is hardy to zone (UK) 2. It is in flower from February to March. The species is monoecious (individual flowers are either male or female, but both sexes can be found on the same plant) and is pollinated by Wind.t can fix Nitrogen. Suitable for: medium (loamy) and heavy (clay) soils and can grow in heavy clay and nutritionally poor soils. Suitable pH: acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It prefers dry moist or wet soil. The plant can tolerate maritime exposure.
Grey Alder Care
Alnus Incana
What is the plant
It can have invasive and aggressive roots.
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Humidity
Dry
Lighting
Part Sun
Hardiness zone
2 - 6
Difficulty
Medium
How to Care for the Plant
Water
It prefers dry moist or wet soil.
Sunlight
Full sun (6 hrs direct light daily), Partial sun/shade (4-6 hrs light daily)
Soil
Suitable for: medium (loamy) and heavy (clay) soils and can grow in heavy clay and nutritionally poor soils.
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Popularity
109 people already have this plant 32 people have added this plant to their wishlists
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