A strong spray of water will blast aphids off of plants but large numbers will return. Thus an insecticide listed for the control of aphids must be used. Spider Mite control takes the use of a miticide as insecticides will only kill off all of their natural enemies and make the situation worse. I used Avid and Floramite to control the mites. Both are costly if you buy an entire bottle on your own. I go to Ebay and buy smaller amounts from gardeners that have purchased the entire bottles and sell off some in smaller amounts at an affordable price for the small typical gardener like me. I spray the Avid once my roses and other plants have fully leafed out in the spring. Then if I see a problem get going with the spider mites, I will spray again only this time using the floramite as mites can tend to build up a resistance quickly if the same thing is used to often.
Answered on August 27, 2017
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