 The blossom should start setting again. Having a lot of reports of tomato hornworm, and you really have to look hard to see the tomato hornworm. The little buggers blend right in with the leaves, and they are the same color, and all of a sudden you'll see a little bit of biting here and there, or a complete leaf gone, or a tomato gone, and a lot of black little pellets, and that's your tomato hornworm.