Annual event adapted to COVID safety regulations. Admission to the Corn Maze closes 30 minutes prior to closing. Most vendors only take cash. $7–$10. Sundays–Thursdays: 10 a.m.–6 p.m. Fridays & Saturdays: 10 a.m.–10 p.m. 450 Stony Pt. Rd., Petaluma (located alongside Hwy. 101 south). petalumapumpkinpatch.com.