The "green worms" may be rose sawflies. For photographs of the pest and control optiions, see: Rose and Pear Slugs (Sawflies). Note that some of the pesticides recommended in the publication are no longer on the market: i.e., Orthene™ (acephate). You should contact your local county Cooperative Extension office for a current, up-to-date pesticide recommendation.
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How do you control the small green worm that is feeding on my Double Knockout roses?
Last Updated: October 25, 2011
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