Sun Prairie SEEDS ORGANIC | CONVENTIONAL | TRAITS SUNPRAIRIESEEDS. COM | 217-469-2351 Champaign County Seed Co. 1676 C.R. 2200 East St. Joseph, IL (217) 469-2351 or (800) 334-6333 Local Company. Local Focus. Real Results! SM-LA1920756 Sun Prairie SEEDS ORGANIC | CONVENTIONAL | TRAITS SUNPRAIRIESEEDS. COM | 217-469-2351 Champaign County Seed Co. 1676 C.R. 2200 East St. Joseph, IL (217) 469-2351 or (800) 334-6333 Local Company. Local Focus. Real Results! SM-LA1920756