Jan 1, Many of the Soil forum regulars use large amounts of coffee grounds in their composting. Any specific questions you may have can usually be. Oct 23, A quick internet search for “coffee grounds + plants” will draw up close to dark inch-thick layer of coffee compost by the end of the summer. Coffee Grounds Compost can make a small change in your garden, or a big change in When you make coffee grounds compost you need to think of the coffee. Using Coffee Grounds to Heat Up Compost in Your Tumbling Composter for FREE! Jun 10, – Coffee grounds can be an excellent addition to a compost pile. The grounds are relatively rich in nitrogen, providing bacteria the energy they need to turn organic matter into compost. Add grounds to your compost pile, layering one part leaves to one part fresh grass clippings. Apr 8, Used coffee grounds are rich in nitrogen, which is one of the three can speed up the composting process and give you better fertilizer faster. Dec 28, The reason for this could be that coffee beans contain caffeine, which is said Used coffee grounds can safely be added to the compost heap.