Garden Calendar

* A native plant sale by the Orange County chapter of the California Native Plant Society, Saturday, 9 a.m.-3 p.m., at Tree-of-Life Nursery, 33201 Ortega Highway, San Juan Capistrano, (949) 728-0685. Free admission.

* Discussion on using wildflowers in your garden, Saturday, 10 a.m.-noon, at Theodore Payne Foundation, 10459 Tuxford St., Sun Valley, (818) 768-1802. $5.

* A native plant sale by the Channel Islands chapter of the California Native Plant Society, Saturday, 9 a.m.-2 p.m., at Plaza Park, Santa Clara and Chestnuts streets, Ventura, (805) 983-1312. Free admission.

* A talk on cycads, Saturday, 10-11 a.m. at Fullerton Arboretum, Associated Road at Yorba Linda Boulevard, Fullerton, (714) 278-3579. $7.

* A symposium on lilacs, with lilac plants for sale, Saturday, 9 a.m.-4 p.m., at Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401; https://www.descanso.com. $5.

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.