Thank you, that looks like a good source for some of the species dahlias that are not readily available online.
The hybrid I am looking for was created by Melanie Gatt by crossing D. coccinea X D. apiculata. Dr Hammett crossed this hybrid with D. tenuicaulis (and made other crosses and selections) to create the hybrid tree dahlia seeds he offers on his website. If I decide I need another dahlia project I will contact Dr. Hammett for more information on the cross and possible US sources of the hybrid seed. I have been interested in this hybrid for years but might have waited too long to source the seeds.
