Welcome to the California Department of Food and Agriculture

Weed Education: Terrestrial Species

Scotch Thistle: A Giant Problem

Color photos and information on:

  • Why should I care about noxious weeds?
  • What does Scotch thistle look like and how does it grow?
  • Control methods for Scotch thistle
  • Distribution of Scotch thistle
  • What can I do to prevent the spread of Scotch thistle?

More Information

Bureau of Land Management's Eagle Lake Field Office: (530) 257-0456
University of California Cooperative Extension Office: (530) 251-8133
Lassen County Department of Agriculture: (530) 251-8110