Tar spot affects maple leaves in WNY; is there anything you can do about it?

by Connie Oswald Stofko You may have noticed black circles on the maple leaves in your neighborhood. That’s called tar spot  because it looks like drops of tar were dripped onto the leaves. Tar spot is caused by a fungus and attacks mostly sugar maples, but can affect other maples as well, said Carol Ann Harlos, Master Gardener coordinator for the Erie County Cornell Cooperative Extension. There isn’t a lot you can do about tar spot, but the disease isn’t as…