Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...

As you looked out the windows of your house this winter at all the dormant and barren deciduous trees in your landscape, perhaps you thought that a little green would be a nice addition this year. But ...

Researchers at UT Arlington and other universities developed an artificial intelligence system capable of distinguishing between fir, spruce and pine tree pollen with 99% accuracy. The University of ...