Noxious

Canada Thistle is a very aggressive noxious weed. It is extremely hardy and difficult to get rid of, leading to many County residents having this invasive weed in their backyards and fields.

Common Tansy is a noxious weed which was introduced from Europe in the late 1600s for ornamental and medicinal uses. It has a very distinct smell and is toxic to most livestock.

Field Scabious is a noxious weed which originates from Europe. It is very aggressive and tends to displace all other vegetation in pastures and forage stands.

Leafy Spurge is an aggressive noxious weed that tends to displace all other vegetation in pastures and rangeland. As this plant is poisonous to most livestock with the exception of sheep and goats, livestock will not ingest it unless food is scarce.

Perrenial Sow Thistle is an aggressive, creeping weed that can severely reduce yields in cultivated fields. It has adapted to wide range of environmental conditions.

Tall Buttercup, also known as Common Buttercup, is a noxious weed native to Europe. It contains a bitter juice, which causes blistering of the mouth and digestive system when consumed by livestock.

White Cockle is a noxious weed which is native of Europe. It prefers full sun and rich, well-drained soils.

Yellow Toadflax is a noxious weed which is native to Europe and introduced to North America. This plant prefers well-drained sandy or gravelly soils, dry summers, and open, sparsely vegetated sites. These weeds contain a poisonous glycoside that may be harmful to livestock.