Why and when to prune a birch tree: what the arborists say. Birch are desirable trees that bring texture and seasonal ...

While river birch like moist soils, that doesn't mean they grow IN the river." Snow explained that the tree usually shows signs that it has too much water through yellowing leaves or too little ...

Stretching high above the forest floor, the canopy is characterized by deeply toothed leaves and green or brown catkins paired with small nutlets. Another remarkable characteristic of river birch is ...

So how were the trees giving so much protection? Electron microscope images of the leaves of silver birch trees show why they are so good – they are covered in tiny hairs and ridges which help ...