The Arbor Day Foundation will brighten up your fall by offering 10 free autumn classics trees or five free Crapemyrtle when you join the organization in October. The free trees are part of the nonprofit Arbor Day Foundation’s Trees for America campaign, a program dedicated to environmental stewardship through the planting of trees. Everyone who joins the Arbor Day Foundation in October will receive five free crapemyrtle trees or 10 free autumn classics selected for your area.