tree tumor

What is Black Knot Black Knot is a common fungal disease that typically attacks ornamental Cherry Trees and Plum Trees.  The disease is spread by infectious spores that can easily disperse through the air, on gardening tools and in spring rain.  Once a tree is infected, it can take a full year until the symptoms…

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With accreditations by ISA, the Tree Care Industry Association, and an impressive roster of master arborists and ISA-certified tree care professionals, Emerald is the most accredited company of its kind in New York and Connecticut.

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