The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

A moderate-to-fast-growing small evergreen (evergray?) tree, the purple-leaf acacia reaches 20 to 30 feet tall and wide. Its dense, spreading canopy is easily shaped as a single- or multi-trunk tree.

Question: Weeping willow, six years old and 9" diameter. Wet, clay ground and thriving. Suddenly late last summer, I noticed the leaves were dead, and the bark on the trunk was completely loose and ...