San Francisco’s Sunnyside Conservatory is a botanic jewel defined by a century-old palm grove and surrounding gardens. The beautiful landmark on Monterey Boulevard has survived six owners, the 1906 earthquake, and is sometimes known as “the other conservatory” (compared to the better-known Conservatory of Flowers located in Golden Gate Park). Sunnyside Conservatory’s previous owners have included a balloon aircraft inventor who was killed by a locomotive, a woman named Temperance who named the conservatory Sunnyside Laboratories and planned to turn it into a sanitarium, and an entrepreneur who marketed bottled…