If your neighbor's tree drops leaves onto your property, then congratulations, they are now your leaves. Leaves, acorns, and ...

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive ...

Indigenous scientists are hurrying to learn what they can about intact old-growth forests before they are gone. Biologist Teresa Ryan has seen a lot of clear-cuts and loaded logging trucks. But this ...

What native trees do we love in Arizona, and how do we relate to them? For a quick respite from the daunting statistics, take ...

Fruit and seed production in plants, crucial for reproduction and evolution, is influenced by various factors. Alternate bearing in trees, like apple and dogwood, involves fluctuating fruit production ...

Old growth forests across the West are at risk of disappearing within 50 years. The Teakettle Experimental Forest is a tragic ...

Bradford pear trees give off an unpleasant odor, though they do look pretty. Bradford pear trees are an invasive species, and their beauty is one of the problems. Have you gone on a walk around your ...

A reader asks about trees along the river greenways in Asheville that are tagged with orange markers. Why are they there?