When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

This phenomenon, called marcescence, adds a unique dimension to the winter landscape, and gives me something to ponder while ...

Once the leaves mature and toughen, they're no longer suitable for the leaf miners, and your tree is more likely to remain pest-free. When you do prune, don't worry about removing leaves that ...

During the spring and summer the leaves have served as factories where most of the foods necessary for the tree's growth are manufactured. This food-making process takes place in the leaf in numerous ...