Excess mulch retains too much water, raising the risk of trunk and root rot. Once the mulch breaks down, exposed roots can ...

The box tree moth is a non-native, invasive insect that has the potential to cause major damage to one of the most popular ...

Bagworms may be small, but they can cause big problems.Often mistaken for part of the tree, they create cases that dangle from branches.Erika Lyon, with Ohio St ...

Urban trees lining streets fare better in dry spells than those in parks – now it seems that leaky water pipes are the reason ...

With a little careful planning, biodiversity can be created when a new landscape is designed or increased if correct plants replace plants that die.

Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

In fantasy worlds, trees like the Lord of the Rings’ Ents are agile and mobile. In the real world, they’re slow.

The remains of a famous sycamore tree, which stood on Britain’s Roman-built Hadrian’s Wall in northern England for more than ...

Anthracnose is a common spring disease on maple trees. Several different fungi can cause the symptoms we describe as anthracnose.

One person identified non-native English ivy, a common invasive species in the United States, on a large oak tree.

Emerald ash borers threaten Minnesota's estimated one billion ash trees. Ben Cooper, the General Manager of Rainbow Treecare, ...

Citrus greening is a disease with no known cure that has infected nearly every citrus grove. It first cropped up 20 years ago ...