What: Planting swales and gardens with native-wetland plants that filter rain-water runoff deep into the ground. In the right locations, the deep-rooted natives help keep the overflow out of aging or overwhelmed storm sewers. And rain gardens actually defeat mosquitoes by helping the ground to dry out quickly, killing any larvae there.
Where: Bowood Farms Garden Center, 4605 Olive Street in the Central West End
When: Sat., Sept. 6, 2008, from 2 to 3 p.m