Q. Can pistachio shells (unsalted) be used as mulch?

As a city gardener, I have some window boxes and a small backyard garden. We get through quite a lot of pistachios, enough at least to mulch the window boxes and other plants in planters. I'd love to find a way to reuse these waste products, but can't find any definitive advice on whether this would be a good idea. Thanks.

Answer

Dear Sheri:  This is a good use of Pistachio shells but I would suggest breaking them up a little first to improve the appearance--maybe put them in a bag and stamp on them???  

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  • Last Updated Jan 08, 2019
  • Views 328
  • Answered By Aska Gardener

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