LAWN ALTERNATIVES ... Dave Phelps will talk about "Water-Efficient Lawn Alternatives & Introduction to Integrated Pest Management" on Saturday, April 16, from 9 a.m. to noon. The free class is offered by the Bay Area Water Supply & Conservation Agency. Information: 650-349-3000 for exact location in Menlo Park.
EARTH DAY GARDEN ... Jody Main, organic food and garden writer, will teach a class on "Growing an Earth Day Garden" on Saturday, April 16, from 10:30 a.m. to 1:30 p.m. at Common Ground Educational Center, 559 College Ave., Palo Alto. The class focuses on spring crops, such as lettuce, carrots and beets, and getting ready for summer with tomatoes, peppers and beans. Cost is $38 plus a $5 materials fee. Information: 650-493-6072 or www.commongroundinpaloalto.org or growingearthdaygarden.eventbrite.com/
NATIVE PLANT SALE ... Native plants, seeds and bulbs — as well as plant books, posters and note cards — will be for sale on Saturday, April 16, from 10 a.m. to 3 p.m. at Hidden Villa Ranch, CNPS Nursery, 26870 Moody Road, Los Altos Hills. The sale is organized by the Santa Clara Valley Chapter of the California Native Plant Society. Parking is free; cash or checks only for purchases; bring boxes to carry plants home. Information: www.cnps-scv.org, firstname.lastname@example.org, 650-260-3450
NATIVE GARDEN TOUR ... The 9th annual Native Garden Tour, a self-guided tour of waterwise, low-maintenance, bird- and butterfly-friendly gardens that are landscaped with California native plants, will be held on Sunday, April 17, from 10 a.m. to 4 p.m. on the Peninsula. Free admission, but registration is required before noon on April 17, or when the tour reaches capacity. Information: www.gngt.org or e-mail email@example.com
RHODIES IN GERMANY ... Bob Weissman will be featured in a free program on how rhododendrons thrive in Germany at the next meeting of the De Anza Chapter of the American Rhododendron Society on Wednesday, April 20, at 7:30 p.m. The group meets in Room 12 of the Hillview Community Center, 97 Hillview Ave., Los Altos. Weissman will talk about his May 2010 trip to Germany, including two rhododendron parks, a nursery and a huge rhododendron festival. Information: www.deanza-ars.com
SWAP PLANTS ... This is the week to start digging up unwanted (but healthy) plants, seedlings, cuttings, bulbs, small trees or shrubs to bring to the Garden Club of Los Altos plant exchange on Saturday, April 30. The exchange, which is co-sponsored by the Los Altos Recreation Department, takes place from 10 a.m. to noon at the Hillview Community Center parking lot, 97 Hillview Ave., Los Altos. No privets or invasive plants — but all others must be labeled for the free swap. Information: 650-906-1651