Sierra Foothills Rose Society's 50th annual rose show. Noon- 5 p.m. Public may enter roses for judging, 6:30-10 a.m. Bushnell Gardens, 5255 Douglas Blvd., Granite Bay. Free. (916) 316-5873.
Ruth Bancroft Garden Fall Festival. Play carnival games, participate in fall crafts, visit learning stations and more. Noon- 4 p.m. 1552 Bancroft Road, Walnut Creek. Free admission, $1 activities. (925) 944-9352.
Jensen garden workday with fall plant sale. 9 a.m.-1 p.m. 8520 Fair Oaks Blvd., Carmichael. (916) 485-5322, ext. 23.
Sylvan Ranch Community Garden Harvest dinner fundraiser, with spaghetti and salad dinner. 5-7:30 p.m. Citrus Heights Community Clubhouse, 6921 Sylvan Road, Citrus Heights. (916) 281-8056.
Digging Dog Nursery's garden tour and consultation with horticulturist Deborah Whigham. 2-4:30 p.m. Free. (707) 937-1130.
"Take a Walk on the West Side," group walk through the UC Davis Arboretum's West End. 1 Shields Ave., Davis. (530) 752-4880.
Annual Red Cross Tablescapes Event. Connect with local designers, florists and artists, as they show- case themed table settings. 6- 9 p.m. Pottery World, 4419 Granite Drive, Rocklin. $25 advance, $35 at the door. (530) 758-2953.
"Walk With Warren." Participate in a group walk led by super- intendent emeritus of the Arbor- etum Warren Roberts. Noon-1 p.m. UC Davis gazebo, 1 Shields Ave., Davis. (530) 752-4880.
Digging Dog Nursery's Dog-Gone Super Fall Plant Sale with easy-to- grow, water-wise, and specialty plants. Guided garden tour Friday. 10 a.m.-5 p.m. 31101 Middle Ridge Road, Albion. Free. (707) 937-1130.
Fall Plant Sale, including perennials, shrubs, ornamental grasses, vegetable transplants, succulents, and more. 9 a.m.-noon. Nevada County Master Gardeners' Demonstration Garden, NID Business Center Grounds, 1036 West Main St., Grass Valley. (530) 273-0919.
Guided tree tours with the Sacramento Tree Foundation. 10 a.m.-noon. North steps of the capitol, 10th and L streets, Sacramento. Free. RSVP required. (916) 924-8733.
Martinez Historical Society home tour of eight private homes representing late 19th and early 20th centuries. 10 a.m.-4 p.m. Starts at Shell Club House, 1635 Pacheco Drive, Martinez. $25. (925) 864-8457.
Ruth Bancroft Garden Plant Sale. Includes perennials, iris rhizomes, and California natives. 10 a.m.- 3 p.m. 1552 Bancroft Road, Walnut Creek. (925) 944-9352.
Green Acres Fall Festival event, including pumpkin patch, face painting, games, and more. 10 a.m.-5 p.m. Held at all three Green Acres locations: 901 Galleria Blvd., Roseville; 8501 Jackson Road, Sacramento; 205 Serpa Way, Folsom. Free. (916) 673-9290.
Next Saturday-Oct. 14
"Orchid Mardi Gras," plant show and sale presented by Orchid Forum of Sacramento. Includes exhibits, seminars, how-to classes, and more. 10 a.m.-5 p.m. Oct. 13, 10 a.m.-4 p.m. Oct. 14. 3330 McKinley Blvd., Sacramento. Free. (916) 207-1428.
Fall Planting Plant Sale with a selection of hard-to-find and unusual perennials, hosted by Sunburst Projects. 10 a.m.-3 p.m. The Gifted Gardener, 18th and J streets, Sacramento. (916) 617-7516.
Sacramento Rose Society presents "Kids Growing Strong" with Sue Bennett. Public welcome. 7:30 p.m. Shepard Garden and Arts Center, 3330 McKinley Blvd., Sacramento. (916) 799-6199.
Lecture on "Genetic Engineering: Its Detrimental Effects on the Life of the Farm and Its Products," presented by Harald Hoven. 7-9 p.m. SMUD Auditorium, 6210 S St., Sacramento. (916) 635-6724.
Classes and workshops
Ornamental trees and shrubs pruning workshop. Discover the reasons to prune trees and shrubs, learn the best seasons for pruning, and explore proper techniques. 10 a.m.-noon. Nevada County Master Gardeners' Demonstration Garden, NID Business Center Grounds, 1036 West Main St., Grass Valley. (530) 273-0919.
Orchid Workshop at Exotic Plants hosted by owner Kifumi Keppler. Learn some simple secrets about growing and reblooming orchids. Noon-1:30 p.m. 1833 Howe Ave., Suite 165, Sacramento. Free. (916) 922-4769.
Learn the basics of worm composting with Sacramento County UC Cooperative Extension Master Gardeners' worm workshop. 10 a.m.-noon. Colonial Heights Library, 4900 Stockton Blvd., Sacramento. Free. (916) 875-6913.
Attend a basic introduction to safe pressure-canning techniques at the Sacramento County UC Cooperative Extension Master Food Preservers workshop: "Food Preservation Public Demonstration: The Pressure's On!" 10 a.m.-noon. Sacramento Cooperative Extension Office, 4145 Branch Center Road, Sacramento. Free. (916) 875-6913.
Learn how to turn kitchen scraps and yard waste into natural garden compost with the Placer County Master Gardeners composting workshop. 9-11 a.m. Master Gardener Demonstration Garden, 11477 E Ave., Auburn. Free. (530) 889-7388.
Holiday craft fairs
"My Favorite Things," arts and crafts fair with hundreds of handmade items. 9 a.m.-4 p.m. St. Michael's Episcopal Church, 2140 Mission Ave., Carmichael. (916) 488-3550.
Craft fair with ornaments, baked goods, gifts, and Christmas arrangements. 9 a.m.-6 p.m. Oct. 12, 9 a.m.-4 p.m. Oct. 13. Phoenix School, 7335 Park City Drive, Sacramento. (916) 429-8388.