Did anyone see this on the maple trees?

Tar spot on the maple trees was very common this season with the early summer-like weather in early spring.  The development of disease pathogens started much earlier than normal and were allowed to thrive in the warmer temperatures with adequate moisture in late spring.   This created a large population growth for all disease-causing spores including several different fungi in the genus
Rhytisma, which infect maple leaves causing tar spot.  The summer drought conditions delayed further development until August when rains returned to the area.  Although it is a non-serious plant disease, tar spot can become an unsightly problem for homeowners if the symptoms arent identified and treated early.  One way to combat tar spot is by collecting, mulching and removing the leaves in fall.  The fungi spores can survive over winter on previous years leaves and then easily spread to the new leaves from the spring winds.
At Lawn Doctor we combat these plant health problems every day. Call us for a plan to keep your trees and shrubs growing along a healthier path today.

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