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What pests and diseases can affect sweet pea plants?

Our Advice:

Sweet peas can be susceptible to aphids, slugs and snails, and powdery mildew. Aphids can be controlled with insecticidal soap or a strong stream of water. Slugs and snails can be controlled with traps or by handpicking. Powdery mildew can be prevented by providing good air circulation and avoiding overhead watering.

Gardening Expert: Steve Bradley

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