Explore six private gardens in Portland, open for self-guided tours to benefit the Garden Conservancy and the Hardy Plant Society of OR. Admission is $5 per garden; children 12 & under free. No reservations required; rain or shine. Highlights include dramatic color palettes in foliage, quirky garden art, naturalistic plantings and rockwork, vertical gardens, and a stained glass potting shed. Visit www.opendaysprogram.org for complete location information, or call toll-free 888-842-2442.