About 49th Annual Nantucket Daffodil Festival...The Nantucket Daffodil Festival in 2026 will be a major event, celebrating spring with millions of blooming daffodils from Thursday, April 23rd to Sunday, April 26th, 2026, marking its 50th anniversary with the famous Antique Car Parade, hat contests, craft markets, and the Nantucket Historical Association's "Flower Power" party on Friday, April 24th. Expect events like daffodil shopping, themed antique cars, and community gatherings celebrating the island's iconic spring flowers.