Planting a tree can be a deeply satisfying act, a commitment to the future of the place where it will grow. Choose a tree that's native to the region and your rewards multiply. Natives are likely to thrive in your conditions with minimal attention after the first two or three years. They provide the food and shelter local wildlife depends on. Native trees have survived thousands of years of climate extremes, they have reached equilibrium with their environment, and most of them learned to cope with native pests or they would not still be here. This is truly organic!
Here's a list of native tree species that grow well in different regions of the United States: