I agree with Greene. hose spray works great. its great for aphids! I use this technique on most of our plants, but specifically on our roses. brace the stem/leaves with your one hand, and a gentle spray of the hose with the other. no more aphids. this must be repeated as needed, but it works and you don't have to use chemicals. works best if done in the morning, giving the leaves plenty of time to dry ASAP.
