Placer County master gardeners at the farmers market will answer gardening questions. 8 a.m. to noon. Auburn courthouse parking lot, Auburn-Folsom Road, Auburn. (530) 885-7385.
Tour six gardens at the September Stroll hosted by the Ripon Garden Club. 10 a.m.-2 p.m. Various locations. $20 general, $8 children younger than 12. Call (209) 484-4418 for ticket and garden locations.
Jensen Botanical Garden work day. Bring work gloves, hand pruners and hydration. 9 a.m.-1 p.m. 8520 Fair Oaks Blvd., Carmichael. (916) 485-5322, ext. 23.
Next Saturday and Sept. 8
"Begonias Ahoy," plant show and sale. More than 1,000 begonias for sale. 10 a.m.-4 p.m. Shepard Garden and Art Center, 3333 McKinley Blvd., Sacramento. $4-$6. (916) 283-5960.
Classes and workshops
"Trash to Treasures," with master gardener Kristin Rankin. Learn how to turn throwaway items into garden treasures. 9 a.m.-noon. Veterans Memorial Building, 130 Placerville Drive, Placerville. (530) 621-5502.
"Food Preservation Public Demonstration: Step by Step!" Basic introduction to safe water bath canning techniques. 10 a.m.-noon. Sacramento Cooperative Extension Office, 4145 Branch Center Road, Sacramento. Free. (916) 875-6913.
Rose propagation workshop by volunteers and propagators from the Historic Rose Garden. Learn how to select the best materials and how to root them using the terrarium approach. 10 a.m.-noon. Sacramento Historic City Cemetery, 1000 Broadway, Sacramento. Free. (916) 264-7839.
Rose grower John Shaw will present "The Pleasures and Pitfalls" at the Mother Lode Rose Society meeting. 1:30 p.m. Amador Senior Center, 229 New York Ranch Road, Jackson. (530) 620-2200.
"Pruning Roses," presented by master gardener Eve Kener at the El Dorado Hills Garden Club meeting. 1 p.m. Community Room at Raley's, 3935 Park Drive, El Dorado Hills. Free. (916) 358-5759.
Bob Hamm presents "Caudiciform Begonias and Less Common Succulents," at the Carmichael Cactus and Succulent Society meeting. 10 a.m. Carmichael Park Clubhouse, 5750 Grant Ave., Carmichael. (916) 729-3475.
Sierra Foothills Rose Society meeting presents "Rose Photography" with speaker Sally Estee. 7:30 p.m. Maidu Community Center, 1550 Maidu Drive, Roseville. (916) 786-7230.
Joseph Reick will speak on "Organic Community Crops," at the Organic Gardening Club of Sacramento County meeting. 10 a.m. Carmichael Park Administration Building, Room 1, 5750 Grant Ave., Carmichael. (916) 635-6724.