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Soil Amendments

Q.coffee grounds

Zone 94110 | Anonymous added on April 24, 2019 | Answered

I have been taking my coffee grounds (used means after i make coffee right?) (so rinsing is not necessary?) and I add them to my large pot of dirt in the hopes that they will make the dirt more soil like and better for using when i plant. Is this the case? I usually just add my daily grounds to this huge planter of soil/dirt and stir it up to use for the next time I plant. Which might not be for a while. Is what I’m doing good or bad for planting? I plant in my backyard which is full of dirt that can be very hard and clay like.

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Answered on April 24, 2019

The best thing to do is compost the grounds in a compost pile. Use finished compost in the garden. Coffee grounds will compost in the soil but they get rather fungusy in the process and tie up a bit of the valuable nitrogen. Coffee grounds are no better or worse than other materials put into the compost pile. Contrary to what the internet may say, used grounds do not acidify the soil.
The following link takes you to many articles on composting https://www.gardeningknowhow.com/composting

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