Natomas Rose Garden fountain dedication and reception with a tango dance to follow. 6-9 p.m. 2921 Truxel Road, Sacramento. Free. (916) 359-7411.
The Sacramento Tree Foundation will hold evening tree tours and tree-care sessions with a certified arborist. Participants are encouraged to bring a tablet or smartphone. Learn how to identify trees, edit data and a lot more using GreenprintMaps. 6:30 p.m. Shepard Garden and Art Center, 3330 McKinley Blvd., Sacramento. Free. (916) 974-4322.
Mendocino Furniture Makers host their 15th annual fine woodworking show. A group member will be on hand to discuss the work each day. Reception 5-8 p.m. July 13. 10 a.m.-5 p.m. Odd Fellows Hall, Corner of Kasten and Ukiah streets, Mendocino. Free. (707) 937-2486.
The Capay Tomato Festival will feature heirloom and tomato tastings, farm tours and live music. Guests are invited to camp overnight in the farm orchards. 3-11 p.m. Live music at 4, 6:30 and 9 p.m. 23800 State Highway 16, Capay. $20-$25, free for children ages 12 and younger. (800) 796-6009.
The Sacramento Tree Foundation will be conducting "Mulch Madness." Care for the trees of McKinley Park by applying a mulch ring around the trees. Meet near the pond, 3700 H St., Sacramento. Free. (916) 974-4322.
Quentyn Young of Fair Oaks Boulevard Nursery will speak on container gardening at the Sacramento Geranium Club meeting. 10 a.m. Shepard Garden and Arts Center, 3330 McKinley Blvd., Sacramento. Free. (916) 991-0442.
The Sacramento Orchid Society meeting will feature Alan Koch of Gold Country Orchids. 7 p.m. Odd Fellows Hall, 1831 Howe Ave., Sacramento. Free. (916) 989-1650.
Classes and workshops
Learn the basics for worm composting including the bin, the worms, feeding and harvesting worms with this workshop offered by the UC Cooperative Extension Mater Gardeners. 11 a.m.-12:30 p.m. Antelope Library, 4235 Antelope Road, Antelope. Free. (916) 875-6913.
The El Dorado County Master Gardeners will present a workshop on the types of soils that are found in the foothills. Amendments, mulches and fertilizers will be discussed. 9 a.m.-noon. Veterans Memorial Building, 130 Placerville Drive, Placerville. Free. (530) 621-5512.
Learn tips on edible gardening in raised beds with gardening columnist and author of "The Seasoned Gardener," Carolyn Singer. 1-2:30 p.m. Folsom Public Library Meeting Room, 411 Stafford St., Folsom. Free. (916) 355-7374.
Learn about food safety and basic water bath canning with the Master Food Preservers of El Dorado County. 10 a.m.-noon. El Dorado County Fairgrounds Board Room, 100 Placerville Drive, Placerville. Free. (530) 621-5506.
Learn how to convert a turf lawn into a low-water and low-maintenance space with the San Joaquin Master Gardeners. 10-11:30 a.m. City of Stockton Delta Water Supply Project Building, 11373 N. Lower Sacramento Road, Lodi. Free. (209) 953-6100. Registration required.