Are Coffee Grounds Good For My Houseplants. It can lead to unnecessary moisture retention impair growth of the plants and even fungal overgrowth. Marino says typically only the latter is beneficial in fertilizer.
Many people feel that coffee grounds lower the pH or raise the acid level of soil which is good for acid loving plants. Coffee grounds act as a natural fertilizer for plants. She doesnt recommend using fresh coffee grounds because.
One study compared three different composting methods to measure the effect of adding coffee grounds to your compost.
Coffee grounds are about 2 percent nitrogen by volume nitrogen being an important component for growing plants. Fresh coffee grounds are acidic. Make a small pile of leaves grass clippings or even shredded newspaper then layer in about half an inch of coffee grounds. Usually up to 25 coffee grounds it okay and most households wont even come close to that amount.