The Colorado Department of Agriculture (CDA) promotes the use of biological control in pest management since the 1940s. The Palisade Insectary is home to the Biological Pest Control Program which manages about 20 different species of biologic control agents for use against both noxious weeds and insect pests. Join the free, virtual Zoom workshop, hosted […]
Hybrid Toadflax is listed a noxious weed by the Colorado Department of Agriculture, who advises: Yellow & hybrid toadflax (Linaria vulgaris & Linaria vulgaris x L. dalmatica) is a perennial escaped ornamental plant that is native to the Mediterranean region. It develops an extensive root system, making control options varied. Yellow & hybrid toadflax displaces desirable plant communities reducing […]
Learn to identify and control the spread/infestation on your land by the Knapweed family of noxious weeds – Diffuse, Russian and Spotted.
View and download fact sheets provided for the top most commonly found noxious weeds in our area, including pictures to aide in identification.
Learn how to control noxious weeds through an Integrated Pest Management (IPM) system.
Noxious weeds are invasive plants that require immediate attention because of their far-reaching environmental and economical impacts.