Therefore, mixing crushed eggshells with coffee grounds will help neutralize the acid. Your compost pile should have an equal amount of browns to greens. Kitchen scraps are typically high in nitrogen, which helps heat up the compost pile and speed up the composting process. For a few weeks, you will see tiny flecks of eggshells in the bin. Even if you do, you might have qualms about the aesthetics and unsavory aromas resulting from a pile of decaying food scraps sitting on your counter or in your backyard. “Brewing the coffee will bring out more nitrogen simply by boiling,” per Qursha. Fertilizing Plants With Coffee Grounds and Eggshells Direct Application of Coffee Grounds. When looking for a vessel to store your eggshells and coffee grounds, you want something that’s transparent, has a wide mouth to reduce mess, ample space, and a sturdy lid (an empty pickle or pasta sauce jar are perfect candidates, as are ever-versatile mason jars). They throw off the pH balance in the bin, which can cause noxious odors and even worm die-off. Compile enough of each component to contribute a moderate amount to each hungry plant. I wouldn’t suggest putting fresh coffee grounds on plants to acidify your soil either. Some nitrogen-loving vegetable plants that will benefit the most from the nitrogen-filled coffee grounds include most leafy vegetables (as well as tomatoes and corn). . An Oregon State University study found that a compost pile made up of 25% coffee grounds, the piles maintained a temperature of 135-155 degrees Fahrenheit for at least two weeks. 2. Here’s where nitrogen-rich used coffee grounds come into play. During the brewing process, the substances will have chemical reactions. Marvelous Mulch. The NPK of coffee grounds are (2-.03-.03) meaning 2% of weight is Nitrogen, .03% is Phosphorus, and .03% is Potassium. Before you start piling on, recognize that there are two types of composting: cold and hot. Crushed eggshells act as a buffer. © 2020 CHOWHOUND, A RED VENTURES COMPANY. Coffee grounds are a great addition to planting holes and around plants as well. Over the course of a year or so, the material will decompose. You may unsubscribe at any time. Combine the two together, crush the eggshells by hand even more and sprinkle the mixture across the soil bed. How to Separate Worms from Compost and Bedding, Fertilizing Soil in the Fall: Applying Organic Compost and More, Composting with Worms: Don’t Make These Five Mistakes. This temperature is sufficient to kill weed seeds and pathogens that might be lingering in your compost pile. His work has appeared in the Los Angeles Times, CBS Local, Mashable, and Gawker. Soon enough, they won’t be noticeable anymore. Related Reading: Which Coffee Roast Is Best for You? (up to 35 percent grounds to soil ratio) directly into the soil or spread the grounds directly onto the soil and cover with leaves, compost or bark mulch. These and many other kitchen scraps can be turned into free fertilizer by composting them with worms. Then, you can add some more. which may suffer from calcium deficiency, resulting in slow growth, weak stems, and yellow leaves. When you have finished forcing hot water through ground coffee beans, you have two products: delicious coffee and waste coffee grounds. The bedding should have the consistency of a wrung-out sponge. 3. 2. Pre-compost your coffee grounds to promote microbial activity. You can also mix coffee grounds into your compost pile and let them decompose along with your potato peels, grass clippings and whatever else you add to the compost pile to make that black gold soil plants just love. tend to have a higher ratio of nitrogen because its presence promotes lush, leafy vegetative growth. Along with those egg shells we add in a few tablespoons of coffee grounds to the planting hole as well. We also carry small-scale composters that can be used indoors or out. Uncle Jim's Worm Farm © 2020. 4. Too much fertilizer can overwhelm and distress the plants. The alkaline substances absorb some of the acids, leaving you with a better brew. Your kitchen likely produces far more eggshells than your worms need. First, there’s the fresh air and physical exercise. “The nutrients they add to support healthy plant growth are needed in almost any soil bed,” according to Los Angeles-based collective LA Compost. Crush the shells as much as you can with your hands, seal the container shut and let its contents dry out in a sunny space, whether it’s next to a window or in a more discreet location outdoors. So shred those leaves! Eggs are highly nutritious and perfectly packed in oval shells. Oranges are highly acidic and can harm the worms. Some k-cups have coffee grounds in them. You may be buying lime to prevent this problem, but eggshells are just as effective. Coffee grounds release nitrogen, potassium, phosphorus and other minerals as they break down – acting as a great natural slow-release fertilizer to the plants. Your compost should be around ⅔ dry leaves to ⅓ coffee grounds. Take a look around and you will find plenty of composting knowledge, live worms, composters and accessories. These are all popular foods and beverages. “It does need other supplemental sources of nutrients.”Â. Composting Kitchen Surpluses: Eggshells, Coffee Grounds, and Orange Peels. Eggshells as Organic Garden Fertilizer. As for eggshells, LA Compost touts their contribution of calcium, another common ingredient in fertilizer. Turn Eggshells into a Worm Food/Aphrodisiac/PH Buffer. Best to toss these leftovers in the trash. I’ve raised African Night Crawlers, Canadian Night Crawlers and Gray Night Crawlers. Coffee grounds are an excellent nitrogen source for composting. Last but not least, don’t throw away eggshells, either. In general, though, citrus fruit is bad news for worm bins. A lower pH is good for composting bins, because it reduces odors and helps prevent toxic conditions for the worms. All Rights Reserved. That’s pretty basic. Coffee grounds are rich in an organic source of Nitrogen, phosphorus, and potassium. The worms will use the eggshells as “grit” to help grind up food inside their bodies. While we may consider them to be trash, they provide a healthy snack for plants offering a one-two punch of nitrogen and calcium. Eggshells are alkaline because they’re made of calcium carbonate. We are active on social media, so please subscribe. Also use other organic material to balance out the abundant coffee grounds. According to LA Compost, “Mulch essentially covers and protects the soil from being completely exposed to the sun while retaining water for the roots of plants.” Over time, it will also begin to break down which beneficially feeds the soil microbes below it. I specialize in Red Wigglers – Composting Worms. When you have several dozen, crush them using a rolling pin or mortar and pestle. And with a family of 5 enjoying 21 meals a week out of my kitchen, there are always eggshells on hand! Thus, we are experts on composting with worms. Let them dry. I love using what would have been trash to make something new and useful. Larger quantities can be incorporated into your existing compost; traditional compost pile, bokashi composter or worm bin. Composting can be successful at any scale. |, 9 Baking Mistakes That Ruin Your Cakes, Cookies, Brownies & Bread, The Top Trending Fall Foods & Recipes, According to Google, The Best Places to Buy Baking Ingredients Online, Chowhound Christmas Gift Guide 2020: The Best Gourmet Food & Drink Gifts, , and why wouldn’t you? Their digestive systems love small pieces of eggshells. Even if you do, you might have qualms about the aesthetics and unsavory aromas resulting from a pile of decaying food scraps sitting on your counter or in your backyard. Greens - This includes materials such as grass clippings, vegetable waste, fruit scraps, and coffee grounds. . Coffee is full of nitrogen that all plants love! Everything else introduces the risk of compost failure, and I want first-timers to achieve compost success. This is great if you don’t want a compost heap. They need moisture to stay healthy. That’s a lot of scraps! The circle of life and whatnot. Mix a handful of crushed eggshells i… . - metric tons of eggshells - several banana peels and lemon rinds - a single perfect blueberry ... Fortunately, he knows enough about composting to understand why the over-avocado thing could become an issue, and agreed that trying to keep it to just coffee grounds would probably reduce the amount of other stuff that gets chucked in there. And, of course, the biggest bonus of all: You can eat the fruits (and veggies) of your labor. Then I start my seeds in a … Depending on the size of your garden, compile enough of each component to contribute a moderate amount to each hungry plant. In Some areas of the country it is not advantageous to add egg shells because there is too much calcium in the soil. However, composting worms need a little grit. Therefore, mixing crushed eggshells with coffee grounds will help neutralize the acid.