I opted to spray every single plant that I owned whether it was growing gangbusters, or whether it had not grown for a year. It was an enormous task that took me three days to complete. I went through gallons of spray and saturated every surface of the plant; it did not matter if it was a small cutting in the process of rooting or a four foot tall plant it got sprayed. Fortunately it was still warm enough to spray outside when I learned of this issue in mid-September. Below some of the sprayed plants in one of my tents: