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Q.diatomaceous earth

Zone 95667 Sacramento, Calif. 7-9 | Anonymous added on September 25, 2017 | Answered

if rain means another coat of diatomaceous earth, then you have to reapply after watering every day, right?

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Certified GKH Gardening Expert
Answered on September 25, 2017

This depends on the results you are trying to achieve. If this is for insect control then yes. But there are other methods that I like, and they don't require daily application. If it is fr something else, then it may not be necessary to reapply.

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