Elm leaf color comes in mainly golden yellow at full color. In the case of slippery elm, the leaves are yellow to golden brown and mixed with yellow-greens. Ulmus americana is the biggest and most beautiful at six inches in length. A key leaf characteristic of the elm leaf is fine-toothed margin and an asymmetrical uneven leaf base.
Elms grow in nearly every state east of the Mississippi river and thrive on moist, rich sites. The tree can be found with boxelder, beech, basswood and sycamore.