Pest identification
What's eating my garlic chives?
Allium leaf miner (Phytomyza gymnostoma)
Signs: Larvae mine down through hollow leaves, then pupate in the bulb; leaves show rows of white puncture dots (adult feeding) followed by tunnelling and secondary rots.
Control: Cover plants with fine insect mesh in spring (Feb–Apr) and again in autumn (Oct–Nov) to block egg-laying adults. Destroy infested foliage immediately.
Onion thrips (Thrips tabaci)
Signs: Tiny sap-suckers cause silvery streaks and papery patches on leaves; heavy infestations stunt plants and make foliage unsightly and inedible.
Control: Spray with neem oil or insecticidal soap. Avoid excessive nitrogen which produces the soft growth thrips prefer.
Leek moth (Acrolepiopsis assectella)
Signs: Larvae enter hollow leaves and feed internally, creating translucent 'window' patches; plants become distorted and more susceptible to disease.
Control: Exclude adults with fine mesh netting. Remove and destroy affected leaves. Encourage parasitic wasps.
Keep garlic chives pest-free
Healthy plants resist pests best. Get the basics right:
Garlic Chives pests — FAQ
What is eating my garlic chives?
Garlic chives deter many common pests with their pungent scent, but allium-specialist insects break through. Allium leaf miner and thrips are the main threats, with larvae or nymphs feeding on foliage and bulbs. Allium leaf miner is particularly damaging in the UK and northeastern US, often triggering secondary rot in the damaged tissue.
How do I get rid of allium leaf miner (phytomyza gymnostoma) on garlic chives?
Larvae mine down through hollow leaves, then pupate in the bulb; leaves show rows of white puncture dots (adult feeding) followed by tunnelling and secondary rots. Cover plants with fine insect mesh in spring (Feb–Apr) and again in autumn (Oct–Nov) to block egg-laying adults. Destroy infested foliage immediately.
How do I get rid of onion thrips (thrips tabaci) on garlic chives?
Tiny sap-suckers cause silvery streaks and papery patches on leaves; heavy infestations stunt plants and make foliage unsightly and inedible. Spray with neem oil or insecticidal soap. Avoid excessive nitrogen which produces the soft growth thrips prefer.
How do I get rid of leek moth (acrolepiopsis assectella) on garlic chives?
Larvae enter hollow leaves and feed internally, creating translucent 'window' patches; plants become distorted and more susceptible to disease. Exclude adults with fine mesh netting. Remove and destroy affected leaves. Encourage parasitic wasps.