Native Plant Fair: More than 200 species of local native plants; speakers; vendors. 10 a.m.-3 p.m. Oct. 27, noon- 3 p.m. Oct. 28. Native Here Nursery, 101 Golf Course Drive, Tilden Park, Berkeley. 510-549-0911, www.ebcnps.org.
Extreme Plants: Discover some of the strange plants with a dark side. 1-2:30 p.m. Oct. 27. UC Botanical Garden at Berkeley, 200 Centennial Drive. $12. Advance registration required. 510-643-2755, http://botanicalgarden.berkeley.edu.
Sick Plant Clinic: 9 a.m.-noon, first Saturdays monthly, through Dec. 1. UC Botanical Garden at Berkeley, 200 Centennial Drive. Free. 510-643-2755, http://botanicalgarden.berkeley.edu.
Home Composting: Learn to reduce waste and improve your garden with composting. Presented by Central Contra Costa Solid Waste Authority. 3-4:30 p.m. Nov. 4. Lindsay Wildlife Museum, 1931 First Ave., Walnut Creek. Free (museum admission not included); registration required. 925-906-1801, ext. 306. www.wildlife-museum.org.
Pleasant Hill Garden Club: John Matthesen and Marian Woodard discuss the Pleasant Hill Urban Farm and Teaching Gardens at Rodgers Ranch. 7 p.m. Nov. 6. Gardens at Heather Farm, 1540 Marchbanks Drive, Walnut Creek. 925-944-4898, www.phgsc.com.
Introduction to Interior Design Principles: Covers space planning, color selection and more. 6-9 p.m. Nov. 7 and 14. Chabot College, 25555 Hesperian Blvd., Hayward. $69. 408-634-3855, www.fullcircleinteriorsolutions.com.
Antioch River Garden Club: Bill Richards, founder of HoneyBee Specialties, speaks about beekeeping and removal of problem hives. 7 p.m. Nov. 7. Antioch Library, 501 W. 18th St. 925-439-4483.
Lafayette Garden Club: Floral and event designer Laurel Ann Winzler's ideas for "Fabulous Holiday Decor." 9:30 a.m. Nov. 8. Our Savior's Lutheran Church, 1035 Carol Lane, Lafayette. http://californiagardenclubs.com/lafayette-garden-club-home.
Diablo Valley College Plant Sale: Thousands of plants at wholesale prices. 2-5 p.m. Nov. 9-10. 321 Golf Club Road, Pleasant Hill. 925-685-1230, www.dvc.edu.
Walnut Creek Garden Club: Learn about efforts by the Ventana Wildlife Society to reintroduce the California condor back into the wild. 9:30 a.m. Nov. 12. Gardens at Heather Farm, 1540 Marchbanks Drive, Walnut Creek.
Fall Planting Ideas: Class includes a fall palette plant list. 9 a.m.-noon Nov. 10. Gardens at Heather Farm, 1540 Marchbanks Drive, Walnut Creek. $25. 925-947-1678, www.gardenshf.org.
Pinole Garden Club: Rosann Stevenson, owner of the Flower Cart, presents "Seasonal Floral Arrangements for Thanksgiving and Christmas." 1 p.m. Nov. 13. Public Safety Facility, Alex Clark Room, 880 Tennent Ave., Pinole. 510-758-0462.
Clayton Valley Garden Club: Horticulturist Kerri Kemp Gardner discusses healthy soil. 7-9 p.m. Nov. 14. Diamond Terrace, 6401 Center St., Clayton. www.claytonvalleygardenclub.org.
Community Garden Plots: Available at Walnut Avenue United Methodist Church, 260 Walnut Ave., Walnut Creek. A 10-by-20-foot plot costs $50 for 12 months; church supplies water. Contact Sheila Driscoll at 925-672-7947.