Common St. John's wort
Botanical name: Hypericum perforatum
Common family name: Johnswort
Family name: Hypericaceae
WSSA code: HYPPE
US code: HYPE
Weed Identification and Control Methods
Tactile: Smooth
Type: Broadleaf
Growth habit: Forb/Herb
Life cycle: Perennial
- Fluroxypyr POST
- Pelargonic acid POST
- Pendimethalin PRE
- Potassium salts of fatty acids POST
- Trifluralin PRE
- 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