As an adult, the insect can only travel about 10 miles. There’s a quarantine on moving ash, olive and white fringe tree firewood in the counties where the beetle has been reported: Washington ...

"So we’re asking visitors to either buy firewood within a 10-mile radius of their destination, or to buy heat treated firewood.” Knowlton said emerald ash borer larvae grow up inside the tree's bark.

it is this difference that led to this third type of wood being coined midwood. Alongside hardwood and softwood, midwood can be used to protect the planet against harmful emissions. Image: ...

The invasive insect can only travel about 10 miles on its own during its brief adult life, but humans can spread it hundreds of miles through infested firewood and other tree materials.

Understanding how wood evolved can help us identify and exploit plants that might mitigate climate change. The tulip tree alone does not tell us this, so we went further back in time and examined ...

But when properly applied, wood ash can be good for plants. This guide explains how to add wood ash to your garden for optimal plant growth. Wood ash is high in calcium carbonate (lime), great for ...

Despite its exalted namesake, the Tree of Heaven is a legitimate nightmare to control. The fast-growing tree — up to 1 inch a week in some documented instances, according to botanist John Knapp ...

It’s 4 p.m. in Joshua Tree National Park and the air temperature is hovering around 99 degrees — relatively mild for an August afternoon. But at ground level, the sand along the popular Hidden ...