Pam, I think it is fine to cross fat polys with skinny polys. I continue to do so regularly. One of my favorite introductions from making such a cross is SECRET AGENT BABE. The pod parent is the full formed CAROLINA FLYING POLY POSSUM and the pollen parent is CAROLINA OCTOPUS. This same cross also yielded my spring 2013 introduction CAROLINA STARFISH.
SECRET AGENT BABE is probably one of the best unknown and uncirculated high percentage polymerous daylilies. I thought I had lost the plant during one of my garden moves, but rediscovered it a year ago. It has just become available again this season and I recommend this flower as the perfect candidate to cross with both full forms and spidery types.
Three polys that would be great to cross back and forth with SECRET AGENT BABE are SWIM BIKE RUN, REDEFINING GENETICS, and GOOD GIRLS DO. You are pretty much guaranteed to get extremely high percentage poly seedilngs, A great mix of forms and colors, and many flowers deserving registration.
SECRET AGENT BABE
http://daylily.net/nc_introduc...
CAROLINA FLYING POLY POSSUM
http://daylily.net/nc_introduc...
CAROLINA OCTOPUS
http://daylily.net/nc_introduc...
CAROLINA STARFISH
http://daylily.net/nc_introduc...
SWIM BIKE RUN
http://daylily.net/nc_introduc...
REDEFINING GENETICS
http://daylily.net/nc_introduc...
GOOD GIRLS DO
http://daylily.net/nc_introduc...