They are acidic but do not change the pH levels of the soil when added. If you aren't getting the results you hoped for with coffee grounds, you may want to try your own experiments with and without them in your garden. “The best way to use coffee grounds for plants is adding it to your compost pile, and then mixing a little bit of that compost in with your potting soil,” Marino says. The good news is that the coffee grounds improved the water holding capacity of the soil and decreased weed growth. In an effort to reduce waste and improve your garden at the same time, you need to start recycling your coffee grounds. There are two types of compost material: brown and green. You might buy it from a coffee shop, or you might make it at home. Coffee grounds have a slew of benefits for your garden, and these 7 ways to use coffee grounds in the garden will seriously change the coffee game! Since compost needs plenty of nitrogen to break down the other organic matter you add, dumping your coffee grounds (and the filter if it’s decomposable) into the compost is a much better choice than throwing them in the garbage. While there are millions of people in the world who couldn’t do without their daily coffee, there are also people who can’t stand the stuff. In 1995, it launched the Grounds for Your Garden program, a campaign that offers free coffee grounds to frugal gardeners all over the country. How to Use Coffee Grounds in Your Garden Coffee in Compost. Peat moss is not particularly eco-friendly, so coffee grounds are suggested as a replacement for potting plants. First and foremost, coffee grounds are an excellent, slow-release source of nitrogen. Half a cup of coffee grounds mixed in a gallon of water makes a great liquid fertilizer for your plants, whether they grow in the garden or in pots. Hello lots of organic matter for your garden. You can use coffee grounds either as a form of mulch or compost! While used coffee grounds are only slightly acidic, fresh (unbrewed) coffee grounds have more acid. Bayer Seresto Collar for Dogs Decoded and …, The Complete Guide to Using Diatomaceous Earth …, Coffee Grounds for Plants – Everything You …, Thermacell Mosquito Repellent Reviews – How Effective …, Diatomaceous Earth for Bed Bugs – Complete …. Aloe Vera, peppers, watercress, lilac, and lavender will react badly to coffee, so keep your coffee grounds away from those plants. When you have collected your coffee grounds, layer them over the soil. If you’d like a hard and fast number, aim for no more than 6lbs of coffee grounds per 100 square feet of garden. However, be warned that some researchers quibble with this advice and don't think it is effective. Coffee grounds, either in the soil or in your compost bin, will slowly decompose releasing the nutrients. A cup or so of grounds per week for a small worm bin is perfect. 5 is Special), How to Clean a Coffee Maker with Vinegar – 3 Methods, The Best Compost Tea Recipe for a Thriving Garden, 7 Best Poo-Pourri Scents Ranked & My Top Picks (2020), 5 Best Granite Sealers to Keep Your Countertops Good as New, The Complete Guide to Using Colloidal Silver for Cats, Bayer Seresto Collar for Dogs Decoded and Debunked, Bissell Pet Stain Eraser Review – Buying Guide for 2020, How Coconut Oil Can Help Soothe & Heal Dog’s Paws. Directly applying coffee grounds to indoor plant soil can cause excessive moisture retention, fungal overgrowth and even impair plant growth. All in all, coffee grounds are good for vegetables and other plants, as they encourage the growth of microorganisms in the soil and improve tilth. Water Retention – When you add water to the soil they need to be retained to be beneficial to the plants. Coffee grounds are fairly sharp, and will deter bugs like that from crawling into your garden if you sprinkle a trail of coffee grounds around it. Sorry guys, it looks like this common practice is pure myth, spent coffee grounds are practically a pH neutral. How often can I spread coffee grounds in the garden? In addition to providing extra organic matter, coffee grounds are able to speed up the decomposing process in compost. Hi, despite being brown in Colour…coffee grounds are actually considered green in the compost pile, so add in a lot of BROWN material too if you’re adding grounds to compost. To use a coffee maker, you obviously place coffee grounds in a coffee filter, then let the coffee maker do its thing. Experts assume that the smell is also unpleasant to the bugs, which also helps encourage them to go elsewhere. Coffee grounds aren’t just for growing vegetables, they make a … Don’t expect quick results from this fertilizer, but over time it will provide nutrients for your plants. If you are applying coffee grounds before planting, stay away from areas where you are going to be planting Chinese mustard, alfalfa or white clover because it will inhibit germination of the seed if present in large quantities. Rabbits and squirrels may also be deterred by the smell, and possibly taste of coffee grounds, so sprinkling some around your lettuce, peas, beets, or other greens may be helpful. Next time you make coffee, save the coffee grounds and use them in your garden for something great. Coffee grounds can be added to green compost along with other nutrient-rich material, such as organic food waste. Colleen Vanderlinden is a freelance writer and the author of Edible Gardening for the Midwest. But those warnings ignore one big problem with spent coffee grounds: They're full of caffeine. Usually up to 25% coffee grounds it okay, and most households won’t even come close to that amount. You can scratch it into the top couple inches of soil, or just sprinkle the grounds on top and leave it alone. This could be a good use for coffee that is getting old in your pantry or a type you bought for visiting friends but isn't your usual cup of joe. And nitrogen is a key component in making flowers flower – and vegetable plants produce. Plants are the same way. If you’ve ever wanted to have a vermicompost bin, or ‘worm farm’, now is your chance. Coffee Grounds make Plants Grow Better + The 20 Best ALDI Finds for November Are All About Cookies & Thanksgiving. Copyright © 2016 - 2020 | Complete Homemaker. If you make it at home, you have the choice of brewing it in a single serve machine such as a Tassimo or Keurig, or brewing it the more old fashioned way in a coffee maker. Your acid-loving plants like hydrangeas, rhododendrons, azaleas, lily of the valley, blueberries, carrots, and radishes can get a boost from fresh grounds. These dry, fresh grounds usually contain more caffeine than your used coffee grounds, which can damage most flowering plants. Coffee grounds are routinely recommended for the garden but in the last couple of years I’ve seen several articles about the possible harm coffee grounds do to plants and soil. Add coffee grounds directly to the soil in your garden. [2] X Expert Source Ben Barkan Garden & Landscape Designer Expert Interview. After a period of time, you’ll have rich compost ready to add to your garden. To avoid any smell as the coffee grounds decompose, you can mix them into the topsoil. Colloidal Silver for Dogs – Benefits and How to Use It? Adding coffee grounds and used paper coffee filters to your compost will provide green compost material. 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