Sitka Alder (Alnus viridis ssp. sinuata) is a native tree or shrub that grows in Northern California, primarily in the North Coast, the Klamath Mountain Range and North Coast Range regions. It is slow growing and long-lived. It grows in an upright form to a height of 16 feet, with active growth during the spring and summer. Leaves are light-green and deciduous. It tends to grow in creek and meadow edges, at elevations from 3300-8900 feet.
Alnus viridis ssp. sinuata
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