Scientists have debated where Prototaxites belong in the tree of life for over a century, but now a new study suggests it ...

Horticulture Specialist Amanda Weidner of the Pueblo County CSU-Extension Office writes about planting trees and offers tips ...

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

That scar is an artifact of a process called grafting, or fusing two separate pieces of wood into a new tree. From citrus to ...

To get your tree’s diameter, go 4.5 feet up the tree and measure around its trunk to get the circumference. Then take your circumference and divide by 3.14. For trees that haven’t even reached ...