Canada Thistle

Cirsium arvense

Creeping Bellflower

Campanula rapunculoides

Bishop’s Goutweed, Ground Elder

Aegopodium podagraria

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.

Additional resource:
renzweedscience.cals.wisc.edu