Leaves are turning beautiful colors this time of year, but these spots aren’t so pretty. What are they? Bonus points for identifying the tree.
Answer
Linden leaf blotch on a basswood leaf. (Basswood is a close relative of lindens, which are common landscaping trees.) Although it looks like the more recognizable giant tar spot, which is a common disease on Norway maple, giant tar spot does not affect basswood.
This week’s contest winner was Ali Kosiba of Jericho, VT