Garden Calendar

A native plant and wildflower seed sale of everything from bunch grasses to canyon sunflowers, Saturday, 9:30 a.m.-12:30 p.m., at Soka University, 26800 W. Mulholland Highway, Calabasas, (818) 878-3763. Free admission.

* A class on controlling mice, rats and other critters that invade your yard and garden, Saturday, 10 a.m.-11 a.m., at the Fullerton Arboretum, Associated Road at Yorba Linda Boulevard, Fullerton, (714) 278-3579. $7.

* A garden seminar, with talks by nurseryman Joe Brosius on the “latest and greatest perennials,” by seed expert Renee Shepard on kitchen gardens, and by horticulturist Lili Singer on fall foliage, Saturday, 9:30 a.m.-12:30 p.m., at Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401; https://www.descanso.com. $20, with reservations required.

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