No. 1: Identify correctly: Chaga tends to form domes and odd horns on birch trees. It's not usually a symmetrical growth, it's black and crusty-looking — but the real tell is its golden interior.

Many people are wondering why so many of Calgary’s birch trees are dying. There are many factors, but the main one is that birch only live about 40 to 50 years. S… ...

9. Repotting Birch bonsai trees should be repotted every two to three years. Repotting allows for the tree's roots to grow and develop properly. Use a bonsai-specific pot and soil mix when repotting.

Interior Alaska s hot and dry summer of 2013, coupled with an invasion of insect pests, has taken a steep toll on the region s birch trees, experts say.

Any steps to prune birch trees for structure are best done when the tree is young. For example, if the tree has two dominant leaders, that can cause both to be weak and at risk of snapping in storms.

Birch tree tapping is Clark’s latest adventure. “This is Mother Nature’s water – there is nothing purer than that,” Clark said.

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.

Birch trees can tolerate a lot of leaf loss, and healthy, well-watered trees can tolerate more leaf loss than stressed birch trees. The U.S. Forest Service has an excellent publication on this insect.