Garden Q&A: What's the best way to deal with cuckoo spit on lavender plants?

  Whether you're a gardening beginner or expert, Irish Examiner columnist Peter Dowdall has the answer to your questions     
The good news is that cuckoo spit causes little or no damage to healthy garden plants, including lavender. File picture

The good news is that cuckoo spit causes little or no damage to healthy garden plants, including lavender. File picture

Mon, 22 Jun, 2026 - 19:11
Peter Dowdall

Question

My lavender plants are covered in cuckoo spit. What actually is it, and what should I spray it with?

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