What, When, Where

* Saturday: Exploration of the rose and fruit tree gardens, 10-11 a.m. at the Fullerton Arboretum, 1900 Associated Road (at Yorba Linda Boulevard), Fullerton, (714) 278-3404. $7.

* Saturday-Sunday: Camellia show with plants for sale and experts on hand to answer questions, 1-4:30 p.m. on Saturday, 9 a.m.-4:30 p.m. on Sunday, at Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401. Adults, $5; seniors and students, $3; children, $1.

* Saturday and Jan. 23: Two-part class on propagating plants taught by Mary Foote, 9 a.m.-noon at Descanso Gardens, 1418 Descanso Drive, La Canada Flintridge, (818) 952-4401. $25. Reservations required.

* Sunday: Fruit-tree pruning demonstration, 2 p.m. at the South Coast Botanic Garden, 26300 Crenshaw Blvd., Palos Verdes Peninsula, (310) 544-1948. $5, adults; $3, seniors and students; $1, children.

* Wednesday: Class on floral design, 9:30 a.m. at Sherman Gardens, 2647 E. Coast Highway, Corona del Mar, (949) 673-2261. $40. Registration required.