Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger ...

Spruce bark beetles hijack their host tree’s chemical defenses, transforming them into potent weapons against fungal threats.

Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Got young trees growing in your garden and live in a cold climate? Protecting your saplings from winter sunscald is essential ...

Tree bark is chock full of fats, making it sop up greasy pollutants in the air. Taking advantage of the bark’s sponge-like quality, researchers have developed an easy and inexpensive method to measure ...

If you have cleaned up the vegetable garden and cut back your perennials, you might be feeling just a little smug — especially since this gardening guy admits he is behind you in completing those ...

Training one’s eye to identify trees is a fun way to connect with the world around us and can be useful for making home landscape selections. Trees are often identified using leaf shape and color, ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...