We have a green house/sun room attached to our home. It is about 350 square feet and we keep it full of tropical plants as well as utilizing it to start seedlings for our vegetable and flower gardens. We can shut it off from the main house via sliding glass doors. Our location is in central KY. What do you recommend for our whitefly problem?
Toward the end of our WHITE FLY article, there are a few aerosol options that can be used for small greenhouses. And given that yours is actually attached to the home, one of these options is probably the best overall best option for sure. You can see them listed here:
Green House Treatments: http://www.bugspray.com/article/whiteflies.html#greenhouse