My local Starbucks is giving away free used coffee grounds -- as much as I want. The added boost is particularly useful for growing plants such as tomatoes and peppers which may suffer from calcium deficiency, resulting in slow growth, weak stems, and yellow leaves. First and foremost, coffee grounds are an excellent, slow-release source of nitrogen. I remember as a kid that we used to compost coffee grounds and pretty much everything else. https://thefrugalgirls.com/2013/10/pumpkin-spice-coffee-recipe.html If you love coffee and gardening, you’d be glad to know that you can make the most of your everyday brew for your little indoor garden. 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. Fresh Coffee Grounds for Acid-Loving Plants . Don’t over-mulch with fresh coffee grounds. I picked up a 10 pound bag this evening. Adding too much coffee grounds around your plants may suffocate their roots. Coffee grounds can be used to help plants grow and be utilized in mulch and fertilizer. I brewed my pot of coffee with 1 rounded tablespoon for every cup of water and then added one for the pot. And nitrogen is a key component in making flowers flower – and vegetable plants produce. For a cold brew, they suggest the following: In an airtight jar, combine 1 cup of ground coffee with 4 cups of cold water. Your acid-loving plants like hydrangeas, rhododendrons, azaleas, lily of the valley, blueberries, carrots, and radishes can get a boost from fresh grounds. Starbucks Coffee Seasonal Limited Edition Ground Coffee Variety Pack of 3 Flavors - Pumpkin Spice, Maple Pecan, and Fall Blend - 32 oz Total - 100% Arabica Coffee 4.1 … These used grounds therefore make a good "side-dressing" to many plants because as they decompose they tend to return to a near neutral pH. Steep for 12-24 hours. Many of us will have dumped the cold remains of a forgotten coffee in a plant pot at some point, and then perhaps wondered if it was the wrong thing to do! While used coffee grounds are only slightly acidic, fresh (unbrewed) coffee grounds have more acid. Marvelous Mulch. Don’t use coffee grounds to manage heavy pest infestations. Lets get lit. But in addition to providing nitrogen, coffee grounds add incredible organic material and matter to the soil. Strain the coffee grounds through a cheesecloth or use a French press to filter. So What Makes Coffee Grounds So Great? One or two slugs may turn away from the coffee barrier, but there are bound to be pests that decide it’s a good idea to jump the makeshift fence. Other Uses for Coffee Grounds in the Garden Coffee grounds aren’t just for growing vegetables, they make a … Most people would assume that used coffee grounds are very acidic, but tests on the pH of this natural fertilizer shows that they are only mildly acidic.. In this article, you will learn about what coffee grounds do for your plants, how they benefit your plants, how to use them correctly and efficiently in your garden, as well as knowing which plants highly benefit from the use of coffee grounds. But coffee is slightly acidic so you want to be careful how you utilize it and which plants you use it on. The duo of used coffee grounds and eggshells are also helpful as mulch, an asset that liquid or powdered commercial fertilizer can’t offer. I'm in the process of preparing my soil for my two AG pumpkin plants. If you like pumpkin spice lattes, you'll want to make our Cauldron-Aged Pumpkin coffee your main hang. Sprinkle used coffee grounds around plants as a slow-release fertiliser Using Coffee Grounds as Fertilizer.