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This is a deciduous short lived shrub, but can become a small tree. Unlike other Alder species, long yellow catkins (up to 10cm) are borne in April when the tree is already in leaf. It has a smooth grey bark with shiny green leaves. Sometimes it is used as a nurse crop for timber trees since it doesn’t grow too big and compete. It also fixes nitrogen from the air. Often found growing with Willows it is usually one of the first to colonize scree.
Alnus viridis
Common name: Green Alder.
Native: European mountain regions.
Provenance: Germany
Size and spread (10 years): 5m
Treatment required: Requires pre chill.
Seeds / kg: 77,500 germinal
Ideal sowing period: Spring
Soil conditions: Grows well on poorer soils but cannot tolerate shade.
Planting instructions: sun
Mature height: 12m
| Weight | 2.00 g |
|---|---|
| Size | Mini Seed Pack (approx 50 seeds), Seed pack (approx 1000 seeds) |
| Genus | Alnus |
| Family | Betulaceae |
| Hardiness | Hardy |
| Life Cycle | tree |
| Evergreen | deciduous |
| Wildlife | yes |
| Requires | damp |
| Native | yes |
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