Garden Q&A: How should I treat mildew and blight on 'Red Robin' shrubs?

Whether you're a gardening beginner or expert, Irish Examiner columnist Peter Dowdall has the answer to your questions
Garden Q&A: How should I treat mildew and blight on 'Red Robin' shrubs?

The red and green leaves of Photinia fraseri 'Red Robin' shrub. File picture

Wed, 25 Jun, 2025 - 17:40
Peter Dowdall

Question

My Photinia 'Red Robin' shrubs have brown spots, powdery mildew and fireblight. Is copper sulphate pentahydrate suitable to treat them?

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