It seems pretty simple to plant a tree. Dig a hole. Drop in a tree. Fill the hole. Add water. Go back inside and have a beer. What could go wrong? Yet year after year, we see trees planted incorrectly ...

"These are bristlecone pine and they are very unique." Sharon Harding-Shaw walks the rows and rows of trees that fill sections of Harding Nursery in Colorado Springs. "You can always tell the ...