Your maple tree has tar spot, a fungal disease that infected the leaves of your soft maple in early spring. Symptoms of maple tar spot begin with small greenish-yellow spots that begin to form on ...

Easier said than done, I will admit. Fungal spores develop in the tar spots or stromata. In spring the spores mature and are re-leased from the infected, fallen leaves.These spores may then infect ...

A healthy tree will not die from these pathogens and does not require treatment. You can find more information about maple diseases in this publication: Diseases in Hardwood Tree Plantings. You can ...

OSU Extension: Seeing spots on your maple tree leaves? What to know Connie Smith, Special to the Eagle-Gazette 0:00 / ...

Anthracnose, a fungal disease affecting maple trees, is prevalent in Greater Columbus due to the cool, wet spring. The disease causes brown leaf spots, curling leaves and premature leaf drop, but ...