Articles > Weed Control

▶ Watch: Biology and Management of Canada Thistle, Bishop’s Goutweed, and Creeping Bellflower

Learn about the biology and management of three common creeping perennials that can invade lawns and gardens in Wisconsin: Canada thistle, Bishop’s goutweed and creeping bellflower.

Canada thistle in bloom

Canada Thistle

Cirsium arvense

Creeping Bellflower

Campanula rapunculoides

Bishop’s Goutweed, Ground Elder

Aegopodium podagraria

Ask Your Gardening Question

If you’re unable to find the information you need, please submit your gardening question here:

Featured Articles by Season

Support Extension