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Seasonal observations of the UCCE Master Gardeners
by Jenni Dodini
on January 5, 2019 at 7:19 AM
Great article! Have always used coffee grounds directly but mainly in the acid loving plants. Did mix them directly into my raised garden this past year, so maybe that's why my peppers didn't do anything about producing for me.
by Joe Ellett
on January 11, 2019 at 2:23 PM
I get lots of coffee grounds from Starbucks, and most of it goes into my compost bins. The worms love it and by the time they're done, PH is not an issue.  
Regarding uncomposted grounds, much of the soil in our region is alkaline, and adding coffee grounds can mitigate that. It's best to learn which plants like alkaline, neutral or acid soil and adjust the application of grounds accordingly.
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