Weed Center
Noxious Weeds are a major problem in the Madison Valley. Below are links to the major problem weeds in our valley. Opening the page will reveal information on the weed and the best methods for fighting it.
Spotted Knapweed - Centaurea maculosa
- Spotted Knapweed is currently the most serious noxious weed in the Madison Valley. More acres are infested with spotted knapweeds than with all other noxious weeds combined. Click here for more information on Spotted Knapweed.
Canada Thistle - Cirsium arvensis
- Canada Thistle is a common weed of open ground and cultivated fields. It has many small pinkish flowers and sharp spines on leaves and stems. It can be difficult to control. Click here for more information on Canada Thistle.
Yellow Toadflax - Linaria vulgaris
- Yellow toadflax is a beautiful bright yellow flower closely related to the common snapdragon found in many flower gardens. Click here for more information on Yellow Toadflax.
Houndstongue - Cynoglossum officinale
- Houndstongue is infamous for its velcro-like seeds. It starts flowering in June and can be noted by its purple flowers. Click here for more information on Houndstongue.
Leafy Spurge - Euphorbia esula
- Leafy spurge is known by its pale yellow green flowers that produce a white milky sap when broken. The underground stem can measure 25 feet deep. Click here for more information on Leafy Spurge.
Sulfur Cinquefoil - Potential Recta
- Sulfur cinquefoil can be defined by its creamy yellow five-petal flowers. The leaves are palmatey compound with 5-7 teethed leaflets on each leaf. Click here for more information on Sulfur Cinquefoil.