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Coffee grounds as a soil amendment in the garden #827826

Asked April 30, 2023, 4:25 PM EDT

What plants benefit and what plants should avoid using coffee grounds as a soil amendment in the garden? How do you use the grounds for the best results?

Washington County Oregon

Expert Response

Recommendations are that coffee grounds can be added to compost, though mixed with other materials. They can also be spread as mulch, but again, include other materials. I don’t find lists of particular plants to use grounds with.
The detailed instructions are here, WSU Extension 4268, Using Coffee Grounds in Gardens and Landscapes.

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