Insect Pest Control
Q.

Will crushed eggshells harm earthworms?

Zone San Marcos CA (Southern CA) | SDunn760@cox.net added on September 24, 2015 | Answered

Your article provides excellent advice on adding eggshells to one's garden to remove pests - slugs, snails, cutworms, and other crawling pests. Earthworms do crawl, so would they also be affected by crushed eggshells? I don't want harm coming to the earthworms in my yard.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on September 26, 2015

Egg shells will not harm worms. It is best to crush the egg shells .

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