HAS Gigantic Annual Plant sale is open to everyone . Sale will be Friday and Saturday, May 19th and 20th from 9 am to 5 pm and Sunday, May 21st from 9 am to 4 pm. The Demonstration Garden is located at 222 Mesa Road and Glen Ave. near Monument Valley Park. There will be a great selection of Natives, Perennials, Shrubs & Vines, Grasses, Succulents, Rock Garden Plants, Organic Herbs and Vegetables. No entry ticket required. Free Parking.