In article , Hibiscus
writes

I think I know how to differentiate dahlia now. Some of them look like
chrysanthemums to me...



Goodness, I've never seen a dahlia that looked like a chrysanthemum!
Maybe I don't know chrysanthemums well, though. Do you mean the cactus
dahlia type? I wouldn't have said they grow the same way at all, but I
don't know the whole spectrum of Dahlias either!

--
Janet Tweedy
Dalmatian Telegraph
http://www.lancedal.demon.co.uk