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 […]
