I,too, had a huge infestation of whiteflies on my State Fair Zinnias this year. My concern is: Will they winter over in the soil and will I have them again next year? If so, what can I put on my soil NOW to kill them??? Reply
I,too, had a huge infestation of whiteflies on my State Fair Zinnias this year. My concern is: Will they winter over in the soil and will I have them again next year? If so, what can I put on my soil NOW to kill them???