The Western Pine may be Idaho’s state tree – but another type of pine tree is notable for its age and resilience in Idaho’s ...

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

Aiken Master Gardeners return to the Aiken Farmers Market in April. Bring your horticultural questions to the Master ...

While the official First Day of Spring always happens in March, those of us living in the Dakotas and Montana know that our ...

The iconic Cape Verde date palm came from commercial trees gone feral and could provide genetic variety to boost the resilience of its tamer relatives.

Invasive trees are a threat to rangelands. Early detection is key to rapid response in managing them. The tamarisk tree is ...

Bark: The bark of tree-of-heaven is smooth and brownish-green when young, eventually turning light brown ... Seeds: Seeds on female trees are a 1-to-2-inch-long twisted samara, or wing. There is one ...

Since 2002, emerald ash borers have killed anywhere from 80% to 99% of mature ash in Southeast Michigan and Northeast Ohio.

California’s giant redwood trees are some of the tallest and most impressive trees on the planet. Standing beneath them can feel like looking up at massive wooden skyscrapers. Even more incredible, in ...

As spring rolls in, you may want to start planning the kinds of trees you'll want to plant in your yard. There are 11 ...

Dear Reader: Wait until the grass has greened up fully and is growing actively. That’s probably going to be late April into May. I use a square-bladed nursery spade, also called a “tile spade.” It ...