We have two Hemlock trees, one nursery bought and one transplanted from Marshfield both years ago. They're both planted along the back corner property line and make a nice fencing to hide the neighbors shed and things. They're beautiful trees, messy too but a favorite of mine, and unfortunately covered with Hemlock Woolly Adelgids.
I'm well aware of the hemlock woolly adelgid, which is literally an invasive sap sucking aphid-like insect that attach Hemlock trees. Their feeding severely damages the canopy of the host tree by disrupting the flow of nutrients to its twigs and needles. Tree health declines, and mortality usually occurs within 4 to 10 years.
This Sunday I mixed an insect killer and slow release fertilizer by Bioadvanced designed to kill the Hemlock Woolly Adelgids and revitalize the trees and slowly poured it at the base of the tree. The premise is for the tree to absorb this product, which it will send up and out to it's limbs and needle ultimately killing the sap sucking adelgids.
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