Neem oil spray works great, the bonide rose rx is cheap and a great neem oil product...
hxxp://cgi.ebay.com/BONIDE-32-OZ-RTU-ROSE-RX-3-IN-1-NEEM-OIL-FUNGI-INSECT_W0QQitemZ200298848704QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item2ea2bde1c0&_trksid=p3286.c0.m14
Multi-purpose fungicide, insecticide and miticide. Prevents and controls blackspot, anthracnose, rust, scab and blights. Stops powdery
mildew in as little as 24 hours. Kills all life stages of aphids, mites, scale, whitefly, beetles and leafrollers. For use on roses and flowers
as well as fruit, nuts, vegetables, herbs, spices, houseplants, trees and shrubs. May be used indoors. Easy on beneficial insects. An
excellent choice for organic and IPM gardens. Contains 70% Neem Oil organic insecticide concentrate.