Try some plants with standout bark to make things interesting after the leaves fall. Paperbark maple trees (Acer griseum ... although they aren't native species in the U.S., they don't spread ...
The Cooperative Extension Plant Clinic can provide information on scale insect control, urban tree care, and other horticultural problems.
One of the most important, yet challenging, skills to nail down as a wilderness survivalist is tree identification. Beyond ...