Canada thistle
Botanical name: Cirsium arvense
Common family name: Sunflower
Family name: Asteraceae
WSSA code: CIRAR
US code: CIAR4
pollinator

Weed Identification and Control Methods

Stature:
Leaf division:
Leaf margin:
Leaf shape:
Leaf arrangement:
Inflorescence location:
Inflorescence color: Purple
Tactile: Rough
Type: Broadleaf
Growth habit: Forb/Herb
Life cycle: Perennial
  • 2-Phenethyl propionate POST
  • Cinnamon POST
  • Cinnamon oil POST
  • Citric acid POST
  • Citric acid, malic acid, and clove oil POST
  • Cloves and clove oil POST
  • Corn gluten meal PRE
  • Eugenol POST
  • Lemongrass oil POST