DALLAS — The winter freeze this February was a tough test for trees across North Texas, and we're still seeing the impact months later. If your trees appear to be dying now, there's a good chance it ...

A study found that redwood trees have two different leaves that serve different functions. The peripheral leaf, left, focuses on photosynthesis while the axial leaf is devoted to absorbing water.

Wherever trees grow, sooner or later their leaves get wet. For trees in wet environments, this can be a problem if films of water cover their stomata. These tiny pores allow carbon dioxide to enter ...

As you approach spring landscaping chores, you might be considering adding a dogwood tree to your yard. But, when do dogwoods bloom? They typically flower between early spring and early summer, ...

ST. LOUIS — Autumn’s paintbrush is starting to spread its colorful hue across the St. Louis area. Reds, pinks, oranges and yellows are starting to pop up on trees, giving leaf peepers a fall foliage ...