Coffee grounds are an excellent amendment. Opinions vary on whether coffee grounds are acidic. Some say they are neutral, while others say they are slightly acidic. I save all the grounds from my home brewings and add them to the pile. I wouldn't hesitate to add them to the garden. As long as you aren't dumping a 5 gallon bucket into a 3' X 6' bed I think they are beneficial. Just my opinon.
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I plant... Therefore I am. - Dunkel
What the country needs is dirtier fingernails and cleaner minds. - Will Rogers
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