Explore three private gardens in Copake Falls, Greenport, and Valatie, open to the public for self-guided tours to benefit the Garden Conservancy. No reservations required; rain or shine. Begin at Hudson Bush Farm or see website for additional locations. Includes a plant sale by Broken Arrow Nursery and lecture (additional fee) in Copake Falls. More highlights include formal gardens with color-oriented parterres, frog-filled water gardens, and a large rose garden framed with boxwood and yew. 888-842-2442.