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Alnus viridis ssp. crispa (Ait.) Turrill
Green alder, Mountain alder, Sitka alder
Synonyms: Alnus crispa
USDA Symbol: ALVIC
USDA Native Status: Native to U.S.
A shrub to 9 ft., diminishing in mature height with greater altitude. Pendent, yellow-green male catkins appear before the oval, alternate leaves are fully out. Cone-like female flowers remain on the shrub all winter.
Alders fix nitrogen and thus serve as nutrient-giving pioneers in reclamation projects.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Complexity: Simple Leaf:
Green Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: Jun , Jul , Aug
MA , ME , MI , MN , NC , NH , NY , PA , TN , VT , WI , WY Canada: AB
, SK Native Distribution:
Lab. to AK, s. to New England mts., n. NY, n. MI, n. MN, Man. & n.w. WY; rarely in mts. of TN & NC Native Habitat:
Bogs; shores; cold woods; balds USDA Native Status: L48(N), CAN(N),
Growing ConditionsWater Use: High
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Wet
CaCO3 Tolerance: Low
Soil Description: Rocky soils
Conditions Comments: Alders fix nitrogen and thus serve as nutrient-giving pioneers in reclamation projects. Soil conditioner - fixes nitrogen.
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Toadshade Wildflower Farm
- Frenchtown, NJ
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Record Modified: 2007-01-01
Research By: TWC Staff