Common teasel, also called Fuller's teasel, is a tall, somewhat spiny, short-lived perennial or biennial that dies after it goes to seed. The distinctive seed heads are popular in floral arrangements. ... It is often spread by the practice of mowing standing plants after they have formed seeds.
Does teasel come back every year?
Teasel is a dramatic and attractive plant which can grow up to a height of two metres or over. It is a biennial plant which may mean that during the first year you just see a giant rosette of leaves which hug the ground.
Why is teasel a problem?
A teasel infestation thins existing desirable plants, and has little cover or food value itself, reducing the habitat value of infested areas. Teasel has been a part of the U.S. landscape since European settlement, but seemingly has become more of a problem in the last few decades.