[wide] [wide] Garden afficiandoes may explore a private garden in Wilton, open to the public for self-guided tours to benefit the Garden Conservancy. No reservations are required and the gardens are open rain or shine. The garden, Pixie Perennials, features a pop-up shop of garden-related items and plants, terraced perennial gardens, a kitchen courtyard garden room, and extensive greenhouse and potager, garden ornaments and sculpture, topiary, and water features. Admission is $7 per garden; children 12 and under admitted free. For more information, see www.opendaysprogram.org or call The Garden Conservancy weekdays,9 to 5, at 1-888-842-2442. Pixie Perennials is at 200 Nod Hill Road.