GARDEN CALENDAR.

National Cactus and Succulent Show and Sale by the Cactus and Succulent Society of America will present more than 1,500 award-winning plants, including many rare and unusual plants from around the world, 10:30 a.m. to 4:30 p.m. July 6 and 7 (preview sale, 1 to 4:30 p.m. July 5), Huntington Library, Art Collections and Botanical Gardens, 1151 Oxford Road, San Marino. Admission: $7.50 adults, $6 for seniors, and $4 for children and students. Visitors also are invited to explore the Huntington's own 12-acre Desert Garden, where more than 5,000 different species of cactuses and succulents provide a year-round show of their own. [phone].

The Conejo Orchid Society will present Joe Miskimens, grower and hybridizer of Miskimens Orchids in Sylmar, speaking on ``Hybridizing of Orchids,'' 8 p.m. July 9, Castle Hill Retirement Village, 3575 N. Moorpark Road, Thousand Oaks. Guests are welcome. [phone].

West Valley Garden Club meets at 10 a.m. the second Tuesday of each month, Orcutt Ranch Park, 23600 Roscoe Blvd., West Hills. [phone].

The San Fernando Valley Iris Society will meet at 7 p.m. July 12, Canoga Park Women's Club, 7401 Jordan Ave., Canoga Park. [phone].