If you’ve driven along any interstates or highways in Illinois, there’s a good chance you’ve seen tall plants with spiky flower heads. Teasels have become an increasingly common site across Illinois.

Cutleaf teasel is currently blooming and is the more aggressive of the two invasive teasel species found in Illinois. Ken Johnson Ken Johnson Cutleaf teasel is currently blooming and is the more ...

Teasel is a unique, non-native plant that grows throughout Marin. The flower head is egg-shaped and covered with tiny flowers ranging from off-white to pink to lilac. Its dried flower, with its ...

Common teasel (Dipsacus fullonum) is a biennial weed native to Europe and Northern Africa. It was originally introduced into the U.S. in the 1700’s. It invades rights-of-way, pastures, riparian areas, ...

Each spring, I pull out all but two or three first-year teasel plants so they do not take over my garden. I have three this year, and one is easily 8-feet tall. The flowers are fabulous in an ...