University of Maine Cooperative Extension and University of New Hampshire Cooperative Extension will offer a webinar for home gardeners on garden preparation to deter weeds from 6–7:15 p.m. May 12. “Preparing Your Garden Site: Getting Ahead of Weeds” will cover practices such as tarping, deep tillage, double-digging, sheet mulching and raised beds. Nick Rowley, UNH read more Weed-free garden preparation with UMaine, UNH Extensions