Flower show: The Rhode Island Dahlia Society is hosting its 43rd annual flower show this weekend at the Cold Spring Community Center, on Beach Street in Wickford. Hours are 3 to 7 p.m. Saturday, and 10 a.m. to 4 p.m. Sunday.

Benefit yard sale: The Pet Refuge, a “no-kill” animal shelter, will raise funds with a yard sale Saturday and Sunday, from 9 a.m. to 3 p.m. each day, at its North Kingstown site, 500 Stony Lane. Donations may be dropped off between 10 a.m. and 5 p.m., through Saturday. For information, call 294-1115.

Farmers’ markets: The Coastal Growers’ Market is open for the season, selling local produce, meat, flowers, bread, seafood, cheese and more, and hosting yoga classes, alpaca visits, cooking and craft demonstrations, every Saturday from 9 a.m. to noon at Casey Farm, 2325 Boston Neck Rd., Saunderstown.

The Coastal Growers’ Market also operates a farmers’ market Saturday morning from 8:30 a.m. to noon on the lawn of the Richmond Town Hall, 5 Richmond Town House Rd., Richmond, through October. It features certified organic produce from Cedar Edge Farm and One Love Farm, and meats from the Stoney Hill Cattle Company. Other farmers and local growers interested in joining the market may receive an application by e-mailing Brent Petersen, at onelovefarm@hotmail.com.

URI hosts a farmers’ market each Saturday morning from 8:30 to noon, in the Keaney Gym parking lot, off of Route 138 in Kingston.

And a farmers’ market in sponsored by the South County Conservancy is open Friday morning from 9 to noon, through Sept. 12, at the Cross’ Mills Public Library, 4417 Old Post Rd., Charlestown. Featured are locally grown produce and flowers, shellfish, beef, pork and eggs.