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Native Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Alnus viridis ssp. crispa (Green alder)
Weyand, Phyllis

Alnus viridis ssp. crispa (Ait.) Turrill

Green alder, Mountain alder, Sitka alder

Betulaceae (Birch Family)

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.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Shrub
Leaf Complexity: Simple
Leaf: Green
Fruit:
Size Class: 6-12 ft.

Bloom Information

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug

Distribution

USA: MA , ME , MI , MN , NC , NH , NY , PA , TN , VT , WI , WY
Canada: AB , MB , NB , NL , NS , ON , 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), GL(N), SPM(N)

Growing Conditions

Water 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

From the Archive

Wildflower Newsletter 1990 VOL. 7, NO.2 - Preservation Blooms in Recreated Prairies, New Wildflower Center Prairie Welcome...

Recommended Species Lists

Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.

View Recommended Species page

Additional resources

USDA: Find Alnus viridis ssp. crispa in USDA Plants
FNA: Find Alnus viridis ssp. crispa in the Flora of North America (if available)
Google: Search Google for Alnus viridis ssp. crispa

Metadata

Record Modified: 2007-01-01
Research By: TWC Staff

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