We get it. Weeds are obnoxious and hard to eliminate. Use our guide to identify the common varieties and know how to remove them safely. Need help now? See our video on how to control weeds in the garden.
Canada Thistle "Type: Broadleaf perennial Size: To 6 feet tall and 3 feet wide Where it grows: Sunny lawn, landscape, or garden areas Appearance: Spiny, gray-green leaves and purple flowers. Control: Mulch to prevent it in landscape areas; use a post-emergence herbicide in lawns in spring or fall. Or dig it out by hand. Note: Thistle has an extensive root system that can grow several feet out from the main plant."