Dahlia show: 11 a.m.-4 p.m. Sept. 10, and 11 a.m.- 3 p.m. Sept. 11, Bark & Garden Center, 4004 Harrison Ave. N.W., Olympia. 360-352-2955. South Sound Fruit Society: Meets at 7 p.m. the first Tuesday of each month, Organic Farmhouse at The Evergreen State College, 2712 Lewis Road, Olympia. wcfs.org.
Evergreen State Dahlia Association: Meets at 7 p.m. on the third Tuesday of each month, October through June, at Lacey Church of God, 5005 Lacey Blvd. Call John Mackey at 360-956-1614, olympiadahlias.org.
Master Composters: Presents workshops, compost bin sales, and in-depth composting training. Workshops on Green Cone Composting, yard waste composting, and worm bins are offered through September at Olympia Farmers Market. 360-867-2151, 360-481-4204, compostbins.thurstoncounty.com to order compost bins.
Olympia Bonsai Club: Meets at 7 p.m. the second Thursday of each month at the Lacey Community Center, 6729 Pacific Ave. S.E., Lacey. easysite.com/olympiabonsaiclub.
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Olympia Garden Club: Meets at 10 a.m. the last Thursday of each month at Gull Harbor Lutheran Church, 4610 Boston Harbor Road N.E., Olympia. Call Gail Martinolich at 360-402-7669, easysite.com/olympiagardenclub.
Olympia Rose Society: Meets at 7 p.m. the second Friday of each month February through June and September through November at the Schmidt Mansion, 330 Schmidt Place, Tumwater. firstname.lastname@example.org, olyrose.org.
South Sound Dahlia Society: Meets at 6 p.m. on the fourth Tuesday of each month at the Tyee Grill, 5757 Littlerock Road S.W., Tumwater. 360-786-1579.
Respecting the Knowledge: Ethnobotany of Western Washington: Understanding the relationship between plants and people. The exhibit includes photographs of native plants and descriptions of their traditional usage, handmade tools and implements, baskets and a bentwood box. Hours are 10 a.m.-4 p.m. Saturdays, State Capital Museum, 211. 21st Ave. S.W., Olympia. Cost is $1-2. 360-753-2580.