Green Alder

Alnus viridis (Chaix) DC. - Birch family

Size

Mature Height: Up to around 30.0 feet

Plant Type: Tree, Shrub

Features

Flower Color: Yellow, Green, Brown

Bloom Time: Mid Spring, Late Spring

Conditions

Shade Tolerance: Tolerant

Ecosystem Interactions

Pollinators: Native Bees; Larval Host (Butterfly); Larval Host (Moth); Wind

Larval Species depending on Green Alder: Acronicta grisea, Acronicta lanceolaria, Anagoga occiduaria, Apotomis bifida, Aseptis binotata, Caloptilia alnivorella, Campaea perlata, Choreutis diana, Clepsis melaleucana, Clepsis persicana, Coleophora persimplexella, Cyclophora pendulinaria, Drepana arcuata, Elpiste lorquinaria, Epinotia albangulana, Euchlaena tigrinaria, Eupithecia georgii, Eupithecia sheppardata, Hyalophora euryalus, Iridopsis emasculata, Lambdina fiscellaria, Lithophane petulca, Macaria exauspicata, Melanolophia imitata, Nematocampa filamentaria, Orgyia leucostigma plagiata, Papestra cristifera, Papestra invalida, Papilio rutulus, Phyllodesma americana, Phyllonorycter alaskana, Plagodis phlogosaria, Plemyria georgii, Polygonia faunus, Probole amicaria, Rheumaptera subhastata, Semiothisa ulsterata, Spilonota ocellana, Synaxis cervinaria, Venusia pearsalli

Native Range

  • USA:  Alaska, California, Oregon, Washington
  • CAN:  British Columbia, Northwest Territorie, Saskatchewan, Yukon
Regional Native Status: L48 (N), AK (N), CAN (N), GL (N), SPM (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.