Add Yahoo as a preferred source to see more of our stories on Google. A pollarded willow tree - Thierry Hebbelinck/Getty Images Trees undoubtedly go through a number of changes, some of which are ...

Coppicing and pollarding are the most extreme of pruning techniques. They may also be among the oldest in some cultures. Yet, arborists are correct to condemn both as improper. Coppicing is the ...