Thistledown is a full-strength herbicide based on the active ingredient clopyralid and is designed to control actively growing broadleaf weeds and thistle in a range pasture and other non-crop areas! Key Product Features Weed Killer - weeds controlled by thistledown include Canada thistle musk thistle star thistle and knapweed. It can also be used to control kudzu dandelion and Oxalis. Avoid ornamentals and vegetables - most vegetable plants and ornamentals are susceptible so be wary of where you are using the product. Do not apply thistledown on ditches containing irrigation water. No grazing restrictions - use this product on ranges pastures ranchette pastures and non-crop areas. There are no grazing restrictions on the use of this product. Legumes in treated pastures will be injured or killed. Follow the label - this product must be applied as directed on the label. Avoid contact with clothing or skin. Mix the concentrated product as instructed and do not apply to crop areas.
