Noxious weeds under the Weed Act

The following are noxious weeds commonly found in Strathcona County that are regulated in the Alberta Weed Control Act. Click on the weed name for an informational PDF from the Alberta Invasive Species Council.

The weed sheets include information to help you:

  • Identify each weed
  • Understand where they are most commonly found
  • Effectively control weed infestations

If you are still unsure about the identification of the plants, please submit a County Connect request to arrange for a weed inspector to help with identification.

White flowers

Oxeye Daisy
image of an oxeye daisy
Scentless Chamomile
Image of scentless chamomile noxious weed
White Cockle
Image of the noxious weed white cockle

Pink or red flowers

Dames Rocket
Image of the noxious weed dame's rocket
Himalayan Balsam
Image of the noxious weed Himalayan Balsam
Saltcedar
Image of the noxious weed Saltcedar
Flowering Rush
Image of the noxious weed flowering rush
Great Burdock
Image of the noxious weed Greater Burdock

Purple flowers

Purple Loosestrife
Image of the noxious weed Purple Loosestrife
Black Henbane
Image of the noxious weed Black Henbane
Canada Thistle
Image of the noxious weed Canada Thistle
Creeping Bellflower
Image of the noxious weed Creeping Bellflower
Dames' Rocket
Image of the noxious weed dame's rocket
Field Scabious
Image of the noxious weed Field Scabious

Yellow flowers

Common Tansy
Image of the noxious weed Common Tansy
Yellow Toadflax
Image of the noxious weed Yellow Toadflax
Leafy Spurge
Image of the noxious weed Leafy Spurge
Perennial Sow Thistle
Image of the noxious weed Perennial Sow-Thistle
Tall Buttercup
Image of the noxious weed Tall Buttercup
Yellow Clematis
Image of the noxious weed Yellow Clematis
Bighead Knapweed
Image of the noxious weed Bighead Knapweed
Yellow Flag Iris
Image of the noxious weed Pale Yellow Iris

Orange flowers

Orange Hawkweed
Image of the noxious weed Orange Hawkweed

 Further information:

Transportation and Agriculture Services
Phone: 780-417-7100
Submit a request related to weeds

County Connect

Ask it, report it or suggest it using County Connect

Related pages

Image showing the invasive species jimsonweed

Invasive Species

 Weed inspector looking closely at a weed on a bush.

Weed Inspection Program

Resources:
Biosecurity guide for light and heavy industrial operations

Last updated: Thursday, June 13, 2019
Page ID: 44341