Thanks ZenMan
Hazzards has an impressive selection I enjoyed browsing it. Another plant of interest is a new species called echibekia (cross between rudbeckia hirta and echinacea) supposed to be more of a perennial rudbeckia hirta but I can't find seeds for it anywhere.
Wonder if you can cross zinnias with a cousin but can't think of any closely related as coneflower is to rudbeckias.