Garden Calendar

* A tour of five gardens in Santa Monica, Saturday, 10 a.m.-3 p.m., sponsored by and beginning at First Methodist Church, 1008 11th St., Santa Monica, (310) 476-9480. $12.

* A special behind-the-scenes tour of wholesale nursery growers and cut-flower greenhouses in north San Diego County, with plants for sale at a Floral Marketplace, Saturday and Sunday, 9 a.m.-4 p.m., in Encinitas. Reservations required; call the Chamber of Commerce Visitors Center, (760) 753-6041. $15.

* An indoor bonsai show, Saturday and Sunday, 9 a.m.-4 p.m., with demonstrations daily at 11 a.m. and 1:30 p.m., at Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401; https://www.descanso.com. $5.

* A begonia show and sale, Saturday, 8 a.m.-1 p.m., at Dana School Cafetorium, 135th Street and Aviation Boulevard, Hawthorne, (310) 545-8363. Free admission.

* Orchid Society of Southern California auction, Monday, 7:30 p.m., at First Christian Church, 221 S. 6th St., Burbank, (805) 491-8985. Free admission.

* Talk on heirloom tomatoes, followed by a plant sale, June 14, 2:30 p.m., at Huntington Library and Botanical Gardens, 1151 Oxford Road, San Marino, (626) 405-2141, https://www.huntington.org. The talk and sale are free.

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Send garden announcements to Garden Events, Los Angeles Times, 202 W. 1st St., Los Angeles, CA 90012, at least three weeks before the event date.