Type(s)
Agriculture
Public Engagement & Awareness
Effective January 28, 2026, the list of regulated weed species was updated to reflect current conditions.
Utilization of the revised Weed Control Act or the Alberta Invasive Species Council website is encouraged. If there are any inquiries or reports of invasive weeds, please reach out to the County's Ag Fieldmen.
Added as Prohibited Noxious:
- African Rue
- Alkali Swainsonpea
- Black Swallowwort
- Common Hawkweed
- European Hawkweed
- Field Thesium
- Invasive Phragmites
- Jimsonweed
- Pale/European Shallowwart
- Palmer Amaranth
- Polar Hawkweed
- Queen Anne's Lace
- Smooth Hawkweed
- Spotted Hawkweed
- Tall Waterhemp
- Ventenata
- Wall Hawkweed
Removed from Regulations:
- Creeping Bell Flower
- Perennial Sowthistle
Added as Noxious:
- Kingdevil Hawkweed
- Queendevil Hawkweed
- Tall Hawkweed
- Whiplash Hawkweed
- Yellowdevil Hawkweed
Changed from Prohibited Noxious to Noxious:
- Bighead Knapweed
- Black Knapweed
- Brown Knapweed
- Diffuse Knapweed
- Hybrid Knapweed
- Meadow Knapweed
- Meadow Hawkweed
- Mouse-ear Hawkweed
- Orange Hawkweed
- Spotted Knapweed
- Squarrose Knapweed
- Tyrol Knapweed