Invasive Weeds of California & the Great Basin

Browse current catalog products by invasive or noxious weed commonly encountered in the California & Great Basin. Select a target weed to compare available herbicides and vegetation-management options.

• Cheatgrass & Downy Brome control products
• Field Bindweed control products
• Giant Reed control products
• Italian Ryegrass control products
• Kochia control products
• Medusahead control products
• Poison Hemlock control products
• Puncturevine & Goathead control products
• Purple Starthistle control products
• Russian Thistle control products
• Saltcedar & Tamarisk control products
• Tree of Heaven control products
• Yellow Starthistle 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.