Should I Divide Or Plant Seeds For Globe Thistle Propagation?

TheVillageGreeneryFlorist posted a photo:

96327

Automatically uploaded with Foldr Monitr at 10/25/2011 7:26:53 PMUTC

TheVillageGreeneryFlorist posted a photo:

96327

Automatically uploaded with Foldr Monitr at 10/25/2011 7:26:53 PMUTC

Ask The Plant Expert: I seem to have a mystery plant which I think is a Globe Thistle, pathopsychology
but I did not plant it.  It is turning into a clump and has tall lavender flowers.  Sorry, I don't have a photo.  Can I divide this free stranger or plant seeds from the dried flower head? […]