One of the really cool things about living in New England is the number of amazing attractions we have. One of the most well known fall/winter attractions in Maine is the Coastal Maine Botanical Gardens Gardens Aglow. Located at Coastal Maine Botanical Gardens in Boothbay, Gardens Aglow is the perfect mix of cozy and magical, and it has become one of the most popular holiday events in New England. What Are the Dates For This Year's Gardens Aglow? According to the Coastal Maine Botanical Gardens website, the first night of the event will be Black Friday (November 28th).