Bermudagrass

Johnsongrass

Medusahead

Quackgrass

Field Bindweed

Sufur Cinquefoil

Hoary Cress

Oxeye Daisy

Poison Hemlock

Black Henbane

Houndstongue

St. Johnswort

Diffuse Knapweed

Russian Knapweed

Spotted Knapweed

Squarrose Knapweed

Purple Loosestrife

Perennial Pepperweed

Saltcedar

Leafy Spurge

Yellow Starthistle

Canada Thistle

Musk Thistle

Scotch Thistle

Dalmatian Toadflax

Yellow Toadflax

Dyer's Woad

Back to main
weeds page
 
Yellow Toadflax
Linaria vulgaris
 
Rosette

Leaves are two and one-half inches in length, narrow, and pointed.
Adult

This perennial weed grows to two feet tall.
Flower

Flowers are about one inch long, yellow with an orange throat, and have long tails. They look similar to snap dragon flowers. Bloom is in late spring into summer.
Patch

Yellow toadflax came from Eurasia. It is an aggressive invader of rangeland, roadsides, field edges, and waste areas. An extensive root system makes this weed difficult to control. It reproduces by seeds and roots.
Back to main
weeds page