Gladiolus corms and thrips - Knowledgebase Question

Montclair, Ca
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

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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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