About

Annual celebration of thousands of rhododendrons in over 100 varieties blooming across the 100-acre Heritage Museums & Gardens campus in Sandwich, Cape Cod. Visitors enjoy self-guided walking tours, 30-minute guided rhododendron tours, and a rhododendron discovery cart staffed by horticulturists. All festival activities included with general museum admission. 11-day run May 15-25, 2026, 10am-5pm d…