What is wrong with using Imidacloprid??? $20 per tree to treat for Emerald Ash Borer. Oh Ya they banned it in Ontario. But could be Exempt with the swipe of a Pen.
So much for the Trees…… Restricted Products like TreeAzin not the Answer it looks like. They don't even give Low Risk Acelepryn a try, but they manufacture it in Mississauga and send it to the USA.