University of Maine Cooperative Extension offers information to help find, grow, use, preserve, and store in-season fruits and vegetables in Maine. Seasonal favorites for May include: #4198 Facts on Fiddleheads #4060 Facts on Edible Wild Greens in Maine #4266 Fruits for Health: Rhubarb Preserving rhubarb by freezing is demonstrated in an easy-to-follow video. UMaine Extension read more UMaine Extension offers facts on fiddleheads, recipes for rhubarb