Composting tips and tricks workshop presented by University of California master gardeners of Sacramento County. 2 p.m. Valley Hi-North Laguna, 7400 Imagination Parkway, Sacramento. (916) 264-2920.
Vermiculture Green Gardening with the Masters. Learn how worms create organic compost for vegetable and flower gardening. 10 a.m.-noon. Placer Nature Center, 3700 Christian Valley Road, Auburn. $5 general, free to members. (530) 878-6053.
Guided tour: plant sale preview. 2 p.m. Arboretum Teaching Nursery, Garrod Drive, UC Davis. (530) 752-4880.
Jensen Garden workday spring plant sale. 9 a.m.-1 p.m. Jensen Garden, 8520 Fair Oaks Blvd., Carmichael. (916) 485-5322 ext. 23.
Classes and workshops
Composting workshop. Learn how to create rich, beneficial compost for your garden. 10 a.m.-noon. NID Business Center Grounds, 1036 West Main St., Grass Valley. (530) 273-0919.
Composting tips and tricks workshop hosted by Sacramento master gardeners. 1-2:30 p.m. Carmichael Library, 5605 Marconi Ave., Carmichael. Free. (916) 875-6913.
Starting a vegetable garden; workshop hosted by master gardeners. 9-11 a.m. Senior Garden, 11477 E. Avenue, Dewitt Center, Auburn. (530) 889-7385.
El Dorado Hills Garden Club. Topic: Care of Fuschias presented by Alice Bowles. 1 p.m. Community Room at Raley's, 3935 Park Drive, El Dorado Hills. Free. (916) 358-5759.
Carmichael Cactus and Succulent Society. 10 a.m. Carmichael Park Clubhouse, 5750 Grant Ave., Carmichael. (916) 729-3475.
Organic Gardening Club of Sacramento County. Speaker Dan Vierria will discuss the Community Sutter Jensen Park. 10 a.m. Carmichael Park Administration Building, Room 1, 5750 Grant Ave., Carmichael. (916) 635-6724.