Diatomaceous earth or DE is safe for use in organic gardens without harming the good guys of the soil food web.
Ask Gardenerd: Roly Poly Problems
Here's a new question that came in this week: " I have a ton of roly poly bugs in my raised beds right now... They at the roots/stems of my last round of cucumbers and I would like to get rid of them without hurting my worm population. Can I use Diatomaceous earth? - Tia" Hi Tia, Yes, you can use diatomaceous earth (DE) to get rid of the pill bugs (A.K.A. roly poly) without hurting your worm population. Diatomaceaous…