Mercancio spotted the painted saguaro along the Lower Tanque Verde Trailhead, which has experienced other ... A symbol of the American southwest, saguaros are protected plants. In the state of Arizona ...

From now through the end of December is the time of year to inspect your trees for Sudden Oak Death. The mold pathogen that causes Sudden Oak Death, phytophthora ramorum, is most active during wet ...

For centuries these towering trees made up a quarter of all trees in the Mountain State. Known as the redwoods of the east, ...