Fraxinus pennsylvanica

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Legend for Species Pages

Green Ash

Fraxinus pennsylvanica
  • ANPC Rank –
  • Moss, Flora of Alberta – No
  • Global Invasive Species Database – No
  • NatureServe Rank – Not yet assessed
  • Haber, Upland – No
  • Haber, Wetland – No
  • CWF, Status & Invasive Range – No
  • Alberta Revegetation Guidelines – No
  • The Nature Conservancy – No
  • CBCN – No
  • AB Weed – No


A hardy, hence useful urban tree - but only males should be used. One of those problem species - native occurrences ranked as S1 and considered rare in AB. Similar to Manitoba Maple. It is wind pollinated and monoceious, so although crossing of native and horticultural material remains a possibility, planting only males reduces risk of spread into new habitats from deliberate plantings.

Briutton and Brown (1913)