What, When, Where

* Today: Talk on “What’s New in Camellias” by nurseryman Julius Nuccio, 7:30 p.m., at Descanso Gardens, 1418 Descanso Drive, La Can~ada Flintridge. (818) 952-4401. Adults, $5; seniors and students, $3; children $1.

* Friday-Sunday: Camellia show and celebration with pruning demonstrations and plants for sale, 9 a.m.-4:30 p.m., at Descanso Gardens, 1418 Descanso Drive, La Can~ada Flintridge, (818) 952-4401. Adults, $5; seniors and students, $3; children, $1.

* Saturday: Class on grafting avocados, 10 a.m., at the Fullerton Arboretum, 1900 Associated Road (at Yorba Linda Boulevard), Fullerton. (714) 278-3404. $7.

* Tuesday: Orchid auction by the Westside Cymbidium Society, 7 p.m., at the Grant Elementary School cafeteria, 2368 Pearl St., Santa Monica. (310) 454-8221. Free admission.