Can coffee grounds be used to fertilize plants? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: Can coffee grounds be used to fertilize plants? Answer: Liz Stanley, Horticulture Community Education Assistant Thank you for your question about using coffee grounds as fertilizer. Yes, grounds contain some of the major plant nutrients and some important micronutrients, but in very small quantities. It’s probably best used as a soil conditioner in moderate read more