| go to http://www.ars-grin.gov/npgs/
go on the left side colum hit request germaplasm
after you hit that there will be an apple below it it will say seach. click that and type in what you are searching for.
there is no hoyas that i saw but a lot of tropicals as well common fruits flowers anything really that you want
and have fun it is done by the federal government | 
