Identified by its large, nodding head of spiny purple flowers, this biennial weed is common in pastures and open fields. A ...

By BROOKE KNICK Soil Conservation Technician Natural Resources Conservation Service    Spotted knapweed is a prohibited noxious weed, meaning a land owner is legally obligated to control it on ...

When the plant flowers, it forms prostrate stems which have small purple/pink flowers 1 - 1.5 cm in diameter ... Bentazone (Basagran, or in Pulsar) is a herbicide that can be used selectively both in ...

Soil Conservation Technician When I moved into this new house, I was thrilled to see a large planted flower bed in the backyard. All spring I imagined what beautiful flowers would soar up and ...