Pest identification
What's eating my korean mint?
Aphids
Signs: Clusters of green or black insects on new shoot tips; sticky honeydew attracts sooty mould
Control: Blast with water; spray with insecticidal soap or diluted neem oil; encourage natural predators such as hoverflies
Leafhoppers
Signs: Pale stippled flecking across leaf surfaces; adults jump when disturbed
Control: Remove affected leaves; reflective mulch confuses adults; insecticidal soap applied under leaves targets nymphs
Spider mites
Signs: Fine webbing on stems and undersides of leaves; foliage looks bleached or bronzed in hot dry weather
Control: Increase humidity by misting; introduce predatory mites (Phytoseiulus persimilis); neem oil spray as needed
Keep korean mint pest-free
Healthy plants resist pests best. Get the basics right:
Korean Mint pests — FAQ
What is eating my korean mint?
Korean Mint attracts pollinators but its aromatic foliage deters many pests — aphids are the main nuisance, clustering on soft shoot tips. Leafhoppers and spider mites can appear in hot, dry spells. Heavy infestations are uncommon; strong plants growing in good soil rarely suffer serious damage.
How do I get rid of aphids on korean mint?
Clusters of green or black insects on new shoot tips; sticky honeydew attracts sooty mould Blast with water; spray with insecticidal soap or diluted neem oil; encourage natural predators such as hoverflies
How do I get rid of leafhoppers on korean mint?
Pale stippled flecking across leaf surfaces; adults jump when disturbed Remove affected leaves; reflective mulch confuses adults; insecticidal soap applied under leaves targets nymphs
How do I get rid of spider mites on korean mint?
Fine webbing on stems and undersides of leaves; foliage looks bleached or bronzed in hot dry weather Increase humidity by misting; introduce predatory mites (Phytoseiulus persimilis); neem oil spray as needed