Who doesn't want to grow a tree full of unique fruit in their yard, especially if that tree is native to North America ... thorns and fast growth habit have made Osage-orange trees popular ...

Trees nearest the mines had higher concentrations of mercury in their rings. Passive air sampling confirmed the mercury ...

As a young naturalist growing ... is now America’s most infamous weed. In a few decades, a conspicuously Japanese name has come to sound like something straight from the mouth of the South ...

As greenhouse gas emissions nudge temperatures higher, trees’ growing ranges are shifting ... latitudes will welcome new species from the south. Plant hardiness zones represent the 30-year ...