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Invasive Plants
Alberta Weed Control Act
The Weed Control Act is legislation in Alberta that directs all landowners to prevent the growth, propagation and spread of regulated weed species. The Weed Control Act lists specific weed species as either Noxious or Prohibited Noxious.Weed Control Act and Regulations
Regulated Weeds
Noxious weeds are generally present in the province already in large numbers. Noxious weeds are required to be controlled (inhibit the growth or spread) by landowners.
Examples of Noxious Weed Species:
- Oxeye Daisy (Leucanthemum vulgare)
- Yellow Toadflax (Linaria vulgaris)
- Blueweed (Echium vulgare)
- Yellow Clematis (Clematis tangutica)
Examples of Prohibited Noxious Weed Species:
- Spotted Knapweed (Centaurea stoebe)
- Autumn Olive (Elaeagnus umbellate)
- Orange Hawkweed (Pilosella aurantiaca)
- Himalayan Balsam (Impatiens glandulifera)
Non-Native Species
These species are not native to Alberta thus they are here without their natural control mechanisms. Typically they have been introduced either intentionally or accidentally, tend to inhabit environmentally sensitive areas and will displace native vegetation that wildlife require for survival. Not all non-native species are regulated under the Weed Control Act.-
Kendra Tippe
Environmental FieldmanPhone: 403-673-3611, ext. 234
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Tess Krause
Assistant Environmental FieldmanPhone: 403-673-3611, ext. 241
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Agriculture & Environment
Physical Address
2 Heart Mountain Drive
Exshaw, AB T0L 2C0