Pest identification
What's eating my munstead lavender?
Rosemary beetle (Chrysolina americana)
Signs: Adults and larvae strip leaves and flower spikes from late summer to spring; look for metallic striped beetles on stems.
Control: Hand-pick into soapy water; shake plant over a tray; check soil beneath plant for pupating larvae in spring.
Spittlebugs / froghoppers
Signs: Foamy white blobs on stems in late spring; sap-sucking nymph inside rarely weakens compact, well-established plants.
Control: Wash off with water hose; no other treatment needed.
Aphids
Signs: Soft clusters on tender new shoots; sticky honeydew; minor leaf curl on young growth.
Control: Knock off with water; apply insecticidal soap if needed; do not over-fertilise.
Keep munstead lavender pest-free
Healthy plants resist pests best. Get the basics right:
Munstead Lavender pests — FAQ
What is eating my munstead lavender?
Munstead lavender shares the same pest profile as other Lavandula angustifolia cultivars. Rosemary beetle strips foliage and flower spikes in the UK; spittlebugs produce eye-catching foam in spring but are largely harmless. Aphids hit new growth on stressed plants. Its compact habit can make rosemary beetle harder to spot until damage accumulates.
How do I get rid of rosemary beetle (chrysolina americana) on munstead lavender?
Adults and larvae strip leaves and flower spikes from late summer to spring; look for metallic striped beetles on stems. Hand-pick into soapy water; shake plant over a tray; check soil beneath plant for pupating larvae in spring.
How do I get rid of spittlebugs / froghoppers on munstead lavender?
Foamy white blobs on stems in late spring; sap-sucking nymph inside rarely weakens compact, well-established plants. Wash off with water hose; no other treatment needed.
How do I get rid of aphids on munstead lavender?
Soft clusters on tender new shoots; sticky honeydew; minor leaf curl on young growth. Knock off with water; apply insecticidal soap if needed; do not over-fertilise.