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… ...

Trees are a must-have for natural shade in your outdoor space. And this fast-growing tree is the ideal species, giving you a ...

The most common North American deciduous trees are elm, willow, beech, cherry, birch, and basswood. These trees each have their own unique qualities, from the heart-shaped leaves of the birch to ...

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 ...

River birch is a favorite ornamental yard tree in the southern United States. It's hardy, loves living near water, and can be often messy to maintain.

Larvae of the leaf beetle Chrysomela lapponica attack two tree species: willow and birch. To fend off predator attacks, their larvae produce toxic butyric acid esters or salicylaldehyde, whose ...

Each spring, river birch trees are visited by two common pests – aphids and the sawfly larva. While both cause river birch trees to lose some leaves, they do not pose any serious threat to the ...

It’s time to appreciate the iconic American beech tree; it comprises nearly 40% of our northern forests, and the species ...

After picking leaves from the birch trees that grow on the Umeå University campus, the researchers effectively pressure-cooked the leaves in a solvothermal reaction process using ethanol solution.

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 ...