My birch tree has developed a yellowish color to the leaves. It also has been dropping a lot of brown leaves over the last couple of weeks. Are these two problems connected? What is wrong, and what… ...

“What is wrong with my birch tree? I am seeing some odd-looking patches on the leaves.” — Deb Schultz, Evanston The pinkish-red spots on your birch’s leaves appear to be eri… ...

Also do not prune in spring, as it will actively harm birch trees. ‘They are pumping materials through the xylem (and phloem), if pruned, they will “bleed” excessively, potentially attracting disease ...

Dead and dying trees around town show the effects of infestation by the bronze birch borer.

If you want to add a tree with red leaves for a burst of color in the autumn and winter garden, pick from our selection of 10 of the best trees with stunning foliage.

It’s the time of year when yellownecked caterpillars will soon engulf unprotected river birch trees. These pests also feed on blueberry, hickory, maple and oaks, but I have only seen ...

Look for the emergence of chartreuse, red and yellowish leaves in oaks, maples, willows and ash trees, along with sprinkles of white blossoms from plum trees and other wild fruits.

Brown birch trees in both Southcentral and Interior Alaska this summer aren’t signaling an early fall. Rather, they are subject to an infestation of small, leaf-munching larvae. Alaska is in the ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Landscape and botanical sketch showing a view of two birch trees in the woods of Vermont during Autumn. Visible just ...

By pressure-cooking birch leaves, researchers can produce quantum dots with favorable enough optical properties to replace some of the rarer elements used in semiconductors for optoelectronics, a new ...