There is so much to share- here are a few sites to begin with...

1792 Old Farmers Almanac	Seeds of Change	Jackson and Perkins
1818 Farmers Almanac	Comstock Ferre	Antique Rose Emporium
LSU AG CENTER	Burpee	Int'l. Camellia Society
Park Seed	Ferry Morse	American Camellia Society
Cloisters NY Herb Gardens	N.E.Seed	American Rose Society
UW Herb Garden	Cooks Garden	The Rosarian
Botanical Modern Herbal	Moonwatch	David Austin Roses