Artist Sam Van Aken fuses heirloom trees through a horticultural process known as grafting. He then plants them around the country and marvels as they blossom.

While we might like the idea of an evergreen yard that remains vibrant and full of life all year long, many evergreen trees are best kept out of our gardens. Whether for their aggressive nature or ...

If you want to impress your friends with your tree knowledge on your next hike, check out the upcoming class from UI ...

Can trees from warmer places withstand Western Washington's sogginess? Forestry workers are starting a trial to find out.