Dealing with tar spot, plus two other timely tips for fall

Here are three helpful tips for autumn, courtesy of the free newsletter from Heimiller Greenhouses. Tip #1: How to deal with tar spot When it comes to tar spot, there’s bad news and good news and more bad news. The bad news is that tar spot is an ugly black fungus that seems to infect Norway maples, to a greater or lesser degree, every year, according to Lisa Heimiller of Heimiller Greenhouses. The good news is that while tar spot…