Leaf by leaf, a tree captures the ever-changing, cyclical nature of our environment. Leaves on a tree are the reason we can ...

Leaf spot diseases weaken trees and shrubs by interrupting photosynthesis. Most leaf spot diseases affect only a small percentage of the tree's overall leaf area, and are a minor stress on the health ...

The leaf is one of the most important organs of a plant. Leaves produce food for the plant through a process called photosynthesis. The leaves of different plants vary widely in size, shape and ...