2022 Annual Plant Sale. Saturday, July 23, 9-4 and Sunday, July 24, 9-noon. Sale will be held at the Sheep and Swine barn located on the Delaware County Fairgrounds, 236 Pennsylvania Avenue in Delaware. Great prices on perennials, annuals, shrubs, trees and houseplants. There will also be a large selection of Ohio native plants including perennials and grasses grown by the Native Plant Propagation committee of the Delaware County Master Gardeners. Cash, check and credit cards accepted in payment.