How can I stop a climbing honeysuckle getting powdery mildew?
Our Advice
Honeysuckles often have powdery mildew by mid-summer, but you can spray affected growth with Fungus Fighter Plus from Bayer or Rosegarde from Vitax. This mildew is often an indicator that a plant is not getting enough moisture, so keep it well watered and mulch around the base to keep the roots cooler.
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