Bt takes a little longer than Sevin dust but is not rated as a toxic pesticide. You can dust Bt and harvest the same day if you want. Just wash it off. The loopers eat the Bt and then are dead pretty quick. George Craig Watts wrote: > > They are green loopers. I'm using 5% sevin dust. Might try BTper your > recomendation. > > Craig Watts > kingdomm@worldnet.att.net