If you are in the market for a tree, the Tri River Area Master Gardeners will be holding their annual Tree Auction and Plant Sale Saturday, Oct. 5, at the CSU Extension office at Mesa County ...

Leaves often turn yellow before they drop because the tree harvests many of the nutrients from the leaves before it sheds them. Herald-Leader This past month I began to observe that the leaves on some ...

December is great time to trek the mountains of northwestern Vietnam as maple forests change color from green to yellowish-red. Early winter, forests across the northwestern mountainous region are ...

Chlorosis, a foliage condition in which the leaf veins remain green but the surrounding blade tissue turns pale green or yellow, is a common occurrence among certain tree species on the Northern ...

Q. My maple tree has black spots on the leaves that just appeared recently. Should I be concerned about this? What should I do? A. Sometimes wet conditions earlier in the season can cause problems ...

In the spring all deciduous trees (those that drop their leaves in the fall) produce green leaves at the start of the season. The leaves of some trees such as certain crab apple and Schubert choke ...