â MinorAphid clusters on tender new mint growth ïŋ― a common target given how quickly mint produces fresh shoots.
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Pests
Aphids on Mint Plants
Commonly affects: Mentha spicata, Mentha piperita (Mint)
Small clusters of soft-bodied insects gather on new shoot tips and the underside of young leaves, often accompanied by sticky honeydew residue and curling of affected foliage.
Potential Causes
- 1Warm weather and rapid new growth attracting aphid colonisation
- 2Ants farming aphids for their honeydew and protecting them from predators
- 3Nearby infested plants acting as a source of new colonies
Solution Steps
- 1Spray affected shoot tips with a strong jet of water to dislodge colonies.
- 2Apply insecticidal soap or neem oil to remaining aphids, focusing on new growth and leaf undersides.
- 3Encourage natural predators like ladybugs in outdoor patches.
- 4Harvest and rinse affected leaves thoroughly before use, since edible herbs shouldn't rely solely on chemical treatments.
Prevention Tip
Inspect new growth regularly during warm weather, since aphids target the soft, fast-growing shoot tips that mint produces constantly through the season.
