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Identifying aphids on Rose
Clusters of small green, black, or pink insects on new growth, buds, and the undersides of young leaves, often accompanied by sticky honeydew.
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Life cycle
Reproduce rapidly without mating in spring/summer. One female can produce 80+ offspring per week. Multiple generations per year.
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Damage to Rose
Aphids sap-suck on tender new shoots and buds, causing distorted growth and stunted or malformed blooms, with honeydew attracting sooty mould on foliage below.
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How to treat aphids on Rose
Spray forcefully with water to dislodge aphids, or apply insecticidal soap or neem oil for heavier infestations. Encourage ladybirds and lacewings, which prey on aphids naturally.
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Preventing aphids on Rose
Inspect new growth and buds regularly in spring, and avoid excess nitrogen fertiliser, which encourages the soft new growth aphids prefer.