Alnus viridis
Alnus viridis · also Green alder, Sitka alder, Slide alder
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The Sitka alder is a fast-growing, clumping shrub species that can colonize bare soil and improve poor soils due to its nitrogen-fixing ability. It is useful for erosion control, bank stabilization, and soil reclamation.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 210.00%—5.2 in
- 30.00%——
- 10.00%—9.6 in
No city in this list records planting dates for this species, so age is blank throughout.
Traits
- Foliage
- Deciduous
- Mature height
- 10–35 ft
- Canopy spread
- 5–15 ft
- Growth rate
- Fast
- Wildlife value
- Moderate
- Blooms
- Mar, Apr, May
Trunk diameters across every city: median 5.3 in, mean 5.1 in, 90th percentile 6.9 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Temperate Conifer Forests
- Alberta-British Columbia foothills forests
- British Columbia coastal conifer forests
- Central British Columbia Mountain forests
- Central Pacific Northwest coastal forests
- North Cascades conifer forests
- Northern California coastal forests
- Northern Pacific Alaskan coastal forests
Temperate Broadleaf & Mixed Forests
- Central China Loess Plateau mixed forests
- East European forest steppe
- Northeast China Plain deciduous forests
- Western Siberian hemiboreal forests
Boreal Forests/Taiga
- Interior Alaska-Yukon lowland taiga
- Northwest Territories taiga
Tundra
- Interior Yukon-Alaska alpine tundra
Other Alnus in the catalogue
18 of the top 2,000 species are in this genus.
