The Garden Conservancy Open Days program shares four private gardens open to the public in Amenia, Millbrook, Millerton, and Wassaic. No reservations required; rain or shine; 10 a.m. to 4 p.m. Highlights include Asian influences, a cantilevered viewing pavilion, a trough collection, a peach and apple espalier, fountains, as well as vegetable and fruit gardens. Begin at Barbara Agren’s Smithfield Cottage or see website for additional locations.