A metallic green insect smaller than a penny is responsible for the destruction of 20 million ash trees in the United States and is threatening Minnesota’s ash trees. The emerald ash borer ...
Unlike elms, oaks, and maples, ash trees use a thin ring of conducting tissue to supply water ... integrity of ash trees can begin to decline even when trees are mostly green and have two thirds of ...
The end of this winter’s extreme cold is finally within sight with the coming week’s regional temperatures hovering in the 30s and 40s. Melting snow, muddy driveways, budding trees and ...
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