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” ...

From the Hartley Park "Wet Climbing Tree" to the fast-growing InnovaTree, there's a lot of news between the branches — if you ...

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 ...

Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

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 ...

A stark warning has been given to dog owners after a “disturbing” number of trees were stripped bare in parks. Swale council ...