Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

Plant Medic columnist Ricky Kemery says it can be alarming to hear when a frost crack occurs, but frost cracks are generally ...

If you have cleaned up the vegetable garden and cut back your perennials, you might be feeling just a little smug — especially since this gardening guy admits he is behind you in completing those ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

American beeches have been suffering recently from a disease widespread in both Connecticut landscapes and forests.

Bark beetles are attacking trees all over Colorado, but their effects are widely up for debate. The question: Do they ...

Just before the first snow, I went for a walk in the woods near our house. It’s a damp and mossy mixed wood full of the usual suspects: cedar, white pine, balsam, birch, beech, the occasional maple ...

If you have cleaned up the vegetable garden and cut back your perennials, you might be feeling just a little smug — especially since this gardening guy admits he is behind you in completing those ...