Soil Amendments
Q.

Egg Shells and Coffee Grounds in garden

Zone Chewelah, wa - zone 6 | ssmi26 added on April 30, 2017 | Answered

Are egg shells and coffee grounds really good to mix in your soil? I have been reading that putting crushed egg shells and coffee grounds in your holes when planting vegetables in the garden is really good, is this true? Also, I made a compost tea last summer and still have a 5 gallon bucket of it. It has been sitting covered outside since last summer, would it still be good to use this year or should I make a new one? Thanks for your help. Sharon

A.
A.Answers to this queston: Add Answer
DLarum
Certified GKH Gardening Expert
Answered on May 2, 2017

Egg shells add calcium and coffee grounds add nitrogen, coffee also acts like a stimulant to plants like it does for people. You can add them to the compost pile or work them directly into the garden.
Compost tea does have a shelf life. This article should help:
https://www.gardeningknowhow.com/composting/basics/storing-compost.htm

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