Cornerstone Sonoma is 3 mi. s. at 23570 Arnold Dr. (SR 121). More than 20 different gardens are featured at this 9-acre property. Each garden is created by a landscape architect in approximately 1,800 square feet. The innovative designs are meant to serve as an inspiration for all gardeners. Plaques describe each garden and provide information about its creator. Wine-tasting rooms, shops, an art gallery and a visitor center also are on the premises.
Food is available. Time: Allow 45 minutes minimum.