Alberta Blue Book

Crop Protection Guide (the "Blue Book") is the most comprehensive, up-to-date guide for selecting and applying chemicals to protect your crop. Easy-to-use write-ups for all product registrations make finding information fast and efficient. Updated annually, the Blue Book features over 600 pages of current information, including full indexes, charts and tables.

Identification guides

Weed Seedling Guide (2nd Edition)

This coil-bound, pocket-size guide helps producers and others correctly identify weed seedlings. Weed seedlings are organized by cotyledon (seed-leaf) shape to make identification easier. It includes:

  • seed-leaf shape drawings
  • full-colour weed seedling images
  • table of commonly confused weeds
  • glossary of terms

Copies can be purchased for $10 each by:

Weeds of the Prairies

This comprehensive field guide details 112 weeds with colour photos at different growth stages. It includes:

  • weeds colour-coded by flower colour for easy reference
  • full index by each of common, scientific or family name
  • charts on life cycle and habitat
  • maps to show spread of weeds
  • opening section on weed identification
  • handy coil binding lets book open out flat to work with in the field

Copies can be purchased for $25 each by:

Identification Guide for Alberta Invasive Plants

Wheatland County publishes this detailed, illustrated guide to prohibited noxious and noxious weeds legislated under the Weed Control Act. See: Identification Guide for Alberta Invasive Plants (PDF, 18.5 MB).


Alberta Weed Survey Results 2017

Summary of Alberta Weed Survey Results 2017 (PDF, 458 KB)

Fact sheets

Invasive Plants in Alberta fact sheets

Land owners and occupiers are responsible for controlling noxious weeds and destroying prohibited noxious weeds under the Act. No matter where plants are located, prevention is always the most effective approach in dealing with invasive plants.


Download or print these free posters to help you identify noxious weeds in Alberta:


Connect with the Ag-Info Centre:

Hours: 8 am to 5 pm (open Monday to Friday, closed statutory holidays)
Toll free: 310-FARM (3276)
Phone: 403-742-7901 (outside Alberta)
Email: [email protected]

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