Yellow Toadflax

Linaria vulgaris P. Miller

Scrophulariaceae (Figwort Family)

new shoots from creeping roots in spring ▲

colony of flowering plants ▲

flowers ▲

Yellow Toadflax: (pp. 518-519 in Weeds of the Great Plains; pp. 304-305, Weeds of the Northeast)

·         creeping perennial with creeping roots; grows 6-24” high on unbranched stems with 1-2” long linear leaves

·         flowers are yellow, snapdragon-like and quite showy

·         can form dense colonies rather quickly in fertile, well-drained soils

·         introduced as an ornamental, but invasive into pastures and rangelands and may be mildly poisonous to livestock

·         similar species, Dalmatian Toadflax grows larger, has larger flowers and more oval-pointed leaves (compared to more rounded-linear leaves of yellow toadflax)