Visit three private gardens in Boonville and Yorkville, open for self-guided tours to benefit the Garden Conservancy, 10 a.m. to 4 p.m. No reservations required; rain or shine. Highlights include garden sculpture and handmade furniture, xeriscaping, edibles, and water features. Admission is $10 per garden; children 12 and under free. Begin at the Meadow Watch garden or see www.gardenconservancy.org/open-days for additional locations.