Much of the nectar honeybees use comes from Trees. The pollinator Partnership has a beautiful new poster available for the cost of shipping only. See it here: http://www.pollinator.org/Images/posters/2016/Trees-For-Bees-2016-Poster.jpg
Pre-order the beautiful 2016 poster, “Trees for Bees”, below here: http://www.pollinator.org/posters.htm