I am fond of teasel, having first seen it growing in a beautiful garden in Maine. The garden was made by a dentist gardener to enhance his property. Outstanding. The teasel was 6 feet tall as I recall.
I got a pack of seeds, and was able to get one plant from it. I did not realize it would not bloom until the second season (It actually is not a biennal but something else starting with "m", that means a plant that grows and flowers in the second or LATER year and then dies). Someone may provide the word this morning. I am too busy to look it up, sorry.
From that one plant I got many volunteers in my driveway and now have quite a few plants in their first year in a wild section of my garden. Next year should be great! But I guess I'll have to monitor them or they will take over.