Neil Sperry explains why apparent bark damage may just be harmless lichen, and he answers questions about buffalograss and ...

Add Yahoo as a preferred source to see more of our stories on Google. Question: Green mold has started to grow on the trunks of several different trees in my yard. Some of the trees have dead branches ...

(AP) Now that deciduous trees are bare, trunks and branches have taken center stage, and you might be noticing nuances and irregularities that evaded your attention over the summer. For instance, what ...