Garden Calendar

* A “spring walkabout” with nature guide Barbara Warnock, Saturday, 10 a.m., Fullerton Arboretum, Associated Road at Yorba Linda Boulevard, Fullerton, (714) 278-3579. $7.

* A talk on California native plants and their use in the landscape, Saturday, 10 a.m., Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401; https://www.descanso.com. $5.

* Queen Anne Heritage House plant sale of everything “from garlic to orchids,” Saturday and Sunday, 10 a.m. to 4 p.m., 8193 Magnolia Ave., Riverside, (909) 782-5273. Free admission.

* The Arcadia Insect Fair features live insect specimens, including tarantulas and scorpions, Saturday and Sunday, 9 a.m. to 4 p.m., the Arboretum of Los Angeles County, 301 N. Baldwin Ave., Arcadia, (626) 821-3222. $5.

Send garden announcements to Garden Events, Los Angeles Times, Times Mirror Square, Los Angeles, CA 90064, at least three weeks before the event date.