Home Gardner's Farm & Greenhouse Share Save Gardner's Farm & Greenhouse1003 Perry Hwy. Harmony, Pennsylvania 16037DetailsOpen in Google Maps Map 1003 Perry Hwy. Harmony, PA 16037 (724) 368-4010 Website Overview Gardner's Farm & Greenhouse is a retail supply center for the home gardener. We sell hanging baskets, patio pots. bedding material, perennial, tropicals and more.