"Spring Grove will share its top 10 plants that every homeowner needs in their landscape. Spring Grove’s horticulture staff will lead you through the historic grounds and show you first hand examples of these fantastic plants. This event will originate from the Historic Office, located just inside the main gates off Spring Grove Avenue. Dress for the weather. Wear comfortable shoes Reservations are required. Registration will open July 27, 2022 at NOON. "