Some cherry and plum trees in the central Ohio area are turning black from a fungal disease. Here's what you need to know.

Hedgehog galls, like most galls that appear on trees’ leaves, may look bizarre but they are not a serious problem.

Galls on oak leaves are harmless growths caused by specific insects. They have different shapes depending on the insect species causing the gall.

Use leaf, structure, and texture to identify some of the most common North American trees.

Each year in late spring and early summer, homeowners begin noticing strange growths on the leaves or stems and are concerned for the health of their trees. Several different types of galls are ...

The trees exchange carbon dioxide and oxygen with the atmosphere through little “mouths” in their leaves and tiny “windows” in their bark.

Q: All of the flowering cherry trees in our neighborhood seem to be suffering from cherry leaf spot. They have lost most of their leaves. We have a weeping cherry tree we planted in remembrance of ...

Each year in late spring and early summer, homeowners begin noticing strange growths on the leaves or stems and are concerned for the health of their trees. Several different types of galls are ...

Don’t jump to the conclusion that those mysterious marks are evidence of disease. They may be leaf mines or galls — and that’s a good thing.

Growing delicious cherries doesn't have to be complicated. Explore 16 cherry tree varieties that are easy to plant and maintain, for a harvest of juicy delight.

Galls can be on leaves, twigs, roots, or flowers and can take on various appearances. One of the more attractive galls you may encounter is wool sower galls. Wool ...

A single large pin oak tree can rain down up to 400,000 oak leaf itch mites per day. Oak mites can live through the winter in protected areas or within leaves/leaf litter on the ground.