Well, I see plenty of the people who post on the perennials forum.
There is a guy named Ronnie who has a lot of cultivars of dahlia and he also has a lot of Morning Glory's. luvsgrtdanes
A lady named greyghost, she just joined in September and happens to be:
Supervisor of dahlia collection in the National Botanical Garden of Latvia.
Researching graft union formational from the anatomy side in roses.
robertduval14 has a lot of Dahlia but Robert has a lot of everything!!