Harris Seed sent me a few cutting price lists from greenhouses that grow their seeds. I don't know what most of the stuff is, but google images is helping.
www.bgardens.com is the supplier I am browsing. I noticed they sell dahlias plugs for container varieties. I picked out a few that I like that might pass for fall colors, for late summer and fall sales.
Here is what I have so far:
Dreamy Eyes:
Painter Berry Impressions
Painter Sunfire