Impatiens glandulifera

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Legend for Species Pages

Himalayan Balsam

Impatiens glandulifera
  • Moss, Flora of Alberta – No
  • Global Invasive Species Database – Yes[1]
  • NatureServe Rank – Medium
  • Haber, Upland – No
  • Haber, Wetland – No
  • CWF, Status & Invasive Range – High, for disturbed sites, ON, PQ, NB
  • Alberta Revegetation Guidelines – No
  • The Nature Conservancy – No
  • CBCN – No
  • AB Weed – Prohibited Noxious


This species was first reported in Edmonton natural areas, but new reports are frequent as people become aware that it's invasive. An aggressive self-sower in gardens and lawns, and invasive in moist soils at the margins of lakes and creeks. It is likely as invasive as purple loosestrife, if not more so.

Habitat --- By Atim Creek in Heritage Grove Park, Spruce Grove (photo: Stephen Spencer)
Overall aspect --- By Atim creek in Heritage Grove Park, Spruce Grove (photo: Stephen Spencer)
Impabals EB 03.jpg
Impabals EB 01.jpg
Impabals EB 02.jpg
Briutton and Brown (1913)
Mill Creek, Edmonton - T. Blake photo


Detail photos, and suggested control measures from Invasive Plants of Southwestern BC website [2]