Common Teasel

Genus: Dispacus l.

Description: Teasel is a prickly biennial herb with a hollow stem and a cone-like head with purple flowers.

Where it grows: Grows in abandoned fields, pastures, waste areas and in forests.

How it spreads: Spreads through massive seed production and excellent seed germinability (ability to sprout).

What it threatens: Invades areas occupied by natives. It can outcompete most natives and soon displaces them.

More information: Nature Conservancy website

Disclaimer - Clean Water Services does not endorse or recommend specific herbicides for use in controlling these species. To protect water quality, always follow herbicide label directions and obey application laws when using any herbicide.