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Bookmark or Share- Red Alder - US Forest Service Research and DevelopmentRed Alder. Betulaceae -- Birch family. Constance A. Harrington. Red alder (Alnus rubra), also called Oregon alder, western alder, and Pacific coast alder, is the most common hardwood in the Pacific Northwest. It is a relatively short-lived, intolerant pioneer with rapid juvenile growth.
- Red alder - Simple English Wikipedia, the free encyclopediaAlnus rubra, or red alder, is a deciduous broadleaf tree native to western North America. It is the largest species of alder in North America and one of the largest in the world. It can get to heights of 20 to 30 meters. The male flowers are dangling reddish catkins, while female flowers occur in clusters of 4 to 6 (8).
- Alnus rubra (Red Alder) - GardeniaRed Alder: Exposure: Full Sun, Partial Sun, Shade : Season of Interest: Spring (Early, Mid, Late) Summer (Early, Mid, Late) Fall Winter: Height: 40' - 50' (12.2m - 15.2m) Spread: 20' - 30' (6.1m - 9.1m) Maintenance: Low : Water Needs: Average, High : Soil Type: Chalk, Clay, Loam, Sand : Soil pH: Acid, Alkaline, Neutral : Soil Drainage: Moist ...
- Alder Trees: Leaves, Bark, Flowers, Cones - Identification (Pictures)The red alder ( Alnus rubra) tree is a large deciduous tree with small oval, brown wood cones, ovate leaves, and mottled light gray smooth bark. Its spreading branches create a conical shape with a slender, rounded crown. Red alder trees grow between 66 and 100 ft. (20 – 30 m) tall.
- Red Alder (Alnus rubra) | Oregon Wood Innovation CenterRed alder is a pioneer species that establishes rapidly in openings created by forest disturbance; it commonly invades newly bared soils after landslides, logging, or fire. Red alder can maintain or improve soils via rapid input of organic matter and nitrogen. Its roots fix atmospheric nitrogen via symbiosis with the actinomycete, Frankia.
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