In addition, more than one application is often required. Summer oils work well on a variety of trees and ornamental foliage. These products do however need to come in contact with the aphids in order to be effective. Another drawback is that during hot summer months, foliage may become burned. Summer oils are not recommended for all plants, so be sure to check product labels for recommendations.
Natural remedies are always the best for controlling aphids or any other problem insect.
The same book recommends the use of yellow tacky boards to safely trap and kill aphids. Aphids can do considerable damage and cause diseases on indoor and outdoor plants. There are effective ways for preventing and controlling aphids. Inc. PageWise makes no representations about the content published on this site. PageWise hereby disclaims all warranties and conditions with regard to this information, and user agrees that all such use is at its own risk.