Garden Calendar

A children’s workshop on tropical rain forests, Saturday, 9-11:30 a.m. at Huntington Botanical Gardens, 1151 Oxford Road, San Marino, (626) 405-2141; https://www.huntington.org. $12. Call (626) 405-2128 to register.

* A dahlia show Saturday, noon-4 p.m., and Sunday, 9 a.m.-4 p.m., at South Coast Botanic Garden, 26300 Crenshaw Blvd., Palos Verdes Peninsula. (310) 544-1948. $5.

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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.