Invasive Weeds of the Intermountain West & Northern Rockies

Browse current catalog products by invasive or noxious weed commonly encountered in the Intermountain West & Northern Rockies. Select a target weed to compare available herbicides and vegetation-management options.

• Canada Thistle control products
• Cheatgrass & Downy Brome control products
• Dalmatian Toadflax control products
• Diffuse Knapweed control products
• Field Bindweed control products
• Halogeton control products
• Hoary Cress & Whitetop control products
• Leafy Spurge control products
• Medusahead control products
• Musk Thistle control products
• Oxeye Daisy control products
• Plumeless Thistle control products
• Poison Hemlock control products
• Purple Loosestrife control products
• Quackgrass control products
• Russian Knapweed control products
• Russian Olive control products
• Saltcedar & Tamarisk control products
• Scotch Thistle control products
• Spotted Knapweed control products
• Ventenata control products

Important: Distribution, legal status, and treatment requirements vary by state, county, site, and season. Confirm the current product label and consult the applicable state or local weed authority before treatment.

Regional occurrence references: USDA National Invasive Species Information Center and EDDMapS distribution maps.