• December 03, 2022 8:01 pm By Kimberly Drelich k.drelich@theday.com Rain gardens and vegetated buffers are coming to Groton, Preston Ledyard, and Stonington to help protect the watershed and reduce flooding. The Eastern Connecticut Conservation District, Inc., is working on a project to install vegetated buffers along waterfronts and rain gardens using native plants, said Maura Robie, the