Report
Using coffee grounds in gardens and landscapes
Washington State University Extension fact sheet, 207E, Washington State University Extension
12/2021
DOI:
https://doi.org/10.7273/000002490
Handle:
https://hdl.handle.net/2376/121963
Abstract
Americans consume an average of three cups of coffee per day; at our 2021 population level, at our 2021 population level, that works out to over 980 million cups of coffee a day. Producing this volume of coffee means we generate a lot of coffee grounds in the process. Putting coffee grounds to use in the garden makes both economic and environmental sense. Many gardeners already use coffee grounds as an essential part of their compost mixture, but an increasing number of people are using them directly as mulch, based on the thousands of websites that discuss this topic. Speculation abounds that coffee grounds repel cats, kill slugs, prevent weeds, aerate and acidify the soil, provide nitrogen, and attract earthworms. This publication examines the science behind the use of coffee grounds in gardens and landscapes and provides recommendations for home gardeners to use coffee grounds appropriately.
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Details
- Title
- Using coffee grounds in gardens and landscapes
- Creators
- Linda Chalker-Scott
- Academic Unit
- Publications, WSU Extension
- Series
- Washington State University Extension fact sheet; 207E
- Publisher
- Washington State University Extension; Pullman, Washington
- Format
- pdf
- Identifiers
- 99900626098701842
- Copyright
- http://rightsstatements.org/vocab/CNE/1.0/
- Language
- English
- Resource Type
- Report