Hay fever sufferers are being warned that the warm weather has encouraged ash and birch trees to flower early this spring, and that the symptoms could be confused with coronavirus. People who are ...

The birch is an elegant tree with so much for us to enjoy. Its yellow spring catkins blowing gently in a breeze, the tiny diamond leaves that let the light shine through, their autumn colour, and the ...

Q: Am I the only one whose birch tree has suffered this winter? It bloomed beautifully, but now half of it is dead and has almost no leaves. Should I call an arborist? Can this tree be saved? A: This ...

River birch is a medium sized native tree commonly grown in landscapes for its attractive bark and fast growth. In the wild, river birch almost always occurs along river banks, while in the landscape ...

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 ...

It’s easy to see that some plants change from day to night—flowers open and close, and even turn to face the sun. In 1880 Darwin noted that the leaves and seedlings of various plants appeared to ...

Dear Master Gardener: We would like to plant a large shade tree with beautiful fall color to add to our landscape. Is a yellow birch a good choice? The bark on yellow birch is yellow-gray to ...