To Prune or Not to Prune, That is the Question Google keeps sending people to my blog for answers on when to prune a mugho or mugo pine. I know I've mentioned it in posts, but now it is time to inform everyone of the best time and the proper way to prune a Pinus mugo mugo Don't trim or prune your pine in the fall. That is the short answer. Pines will stop growing from the points at which … [Read more...] about Mugo Pines: When to Trim and Prune