FREE. Explore flower fields & walk the labyrinth. Some spots offer snacks, lunches, & picnic areas. Fees may apply. May 17–18: 10 a.m.–4 p.m. Bees & Blooms. 3883 Petaluma Hill Rd., Santa Rosa. Registration required to access the insider’s guide and interactive map to tour destinations. farmtrails.org/experience/spring-tour-2.