Pest identification
What's eating my lemon basil?
Japanese Beetles
Signs: Skeletonized leaves with only the veins remaining; beetles feed in groups on upper leaf surfaces
Control: Hand-pick into soapy water; neem oil spray; floating row covers during June–August peak
Aphids
Signs: Soft insect clusters on growing tips; distorted new leaves; sticky honeydew promoting sooty mold
Control: Dislodge with water; insecticidal soap; plant marigolds or alyssum nearby to attract aphid predators
Spider Mites
Signs: Fine pale stippling on leaves; silken webbing on undersides; bronze or silvery discoloration
Control: Mist foliage; neem oil or insecticidal soap; keep plants well-watered to reduce heat stress
Keep lemon basil pest-free
Healthy plants resist pests best. Get the basics right:
Lemon Basil pests — FAQ
What is eating my lemon basil?
Lemon basil is vulnerable to aphids, Japanese beetles, and spider mites like other basils. Its lighter, more delicate foliage makes it somewhat more susceptible to sucking insects. Thrips can disfigure the flowers. Outdoors in US gardens, Japanese beetles cause the most dramatic damage during summer months.
How do I get rid of japanese beetles on lemon basil?
Skeletonized leaves with only the veins remaining; beetles feed in groups on upper leaf surfaces Hand-pick into soapy water; neem oil spray; floating row covers during June–August peak
How do I get rid of aphids on lemon basil?
Soft insect clusters on growing tips; distorted new leaves; sticky honeydew promoting sooty mold Dislodge with water; insecticidal soap; plant marigolds or alyssum nearby to attract aphid predators
How do I get rid of spider mites on lemon basil?
Fine pale stippling on leaves; silken webbing on undersides; bronze or silvery discoloration Mist foliage; neem oil or insecticidal soap; keep plants well-watered to reduce heat stress