Gladiolus corms and thrips - Knowledgebase Question

Montclair, Ca
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Question by lisguevara
August 26, 2010
Is it true that if you put gladiolus corms into boiling water for a few seconds, it'll kill any thrips that may have been


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Answer from NGA
August 26, 2010
I'd be concerned about dipping the corms into boiling water. It can damage the outer layers of the corms. The general advice is to dip the corms in very hot--not boiling--water (160?F) for two minutes. Use a thermometer so you don't actually cook the corms.

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