coffee grounds kill weeds
Therefore, using coffee grounds as a soil amendment may help to make alkaline soil more acidic, but likely only when used in larger amounts (which we do not recommend). The nutrients in coffee grounds can work magic on your garden. plants to acidify your soil either. And you need more earthworms in your soil. When used as soil amendments and mulches, coffee grounds increase soil water, moderate soil temperature, and bind heavy metals like cadmium and pesticide residues. I love my Wi-Fi, and knowing pizza is only a phone call away. Do this every few weeks. You can also ask your favorite local coffee shops if theyre willing to give you their used grounds to use in your garden. These nutrients can help uptake nitrogen from the soil, which can kill weeds. Coffee Grounds are a Good Source of Nutrients Coffee grounds contain 1-2% nitrogen, 0.3% phosphorous and 0.3% potassium along with a variety of micronutrients. If you want to keep your grass looking healthy, while finding a good use for your spent grounds, work in moderation. Studies show that coffee grounds have allelopathic properties (meaning they can reduce the competition between different plant species), which likely comes from the trace amounts of caffeine they contain. Grow HUGE plants with coffee grounds! Even when you are diligent in adding carbon to the compost as well, coffee grounds release organic compounds and chemicals which can increase the death-rate of earth worms. Then, fill the container with water. Nitrogen is also an important ingredient in many commercial weed killers, which means it can also help keep weeds under control. eHow may earn compensation through affiliate links in this story. If you have young plants in particular or have just put in seeds, it's best to not have coffee grounds anywhere near these. As a result, you will not get the same effect as when you mix them with water. Don't use coffee grounds on seedlings: Due to their allelopathic properties, coffee grounds may interfere with the germination and rooting of your seedlings. Sunlight can cause the caffeine in the coffee to degrade over time. On the contrary, these tiny grounds can give a substantial boost to plants when used as a soil amendment and liquid fertiliser. Simply use it to water plants as you would normally. But are coffee grounds really good for your grass? 21 Different Types of Espresso Drinks (with Pictures), Cold Brew vs Iced Coffee: Differences Explained, How To Make Coffee While Camping (10 Easy Methods), How Much Caffeine Is in Monster Mango Loco? freshcoffeehouse.com is a participant in the Amazon Services LLC Associates Program. Coffee Grounds Can Help Prevent Disease. Yes, thats a bit of foreshadowing, keep 2023 The Arizona Board of Regents on behalf of The University of Arizona. Caffeine in the soil ties up nitrogen, preventing it from being used by plants and leading to reduced germination rates. Yes, spent coffee grounds make for a great natural weed killer. These nutrients are essential in robust leaf growth, which is a suitable replacement for artificial fertilizers. Caffeine is a stimulant while chlorophyll is a plant nutrient. These nutrients will then be released back into the soil once the coffee grounds are broken down by rainwater. With these numbers in hand, Caffeine Informer states that the average amount of coffee grounds used to brew a shot of espresso can still have up to 41 mg of caffeine. In addition, they assist in creating better mulch which provides nutrients such as nitrogen and phosphorus to your grass. That results in a magical substance for plant growth. Coffee grounds have many potential benefits for gardens and grow rooms: since the grounds still contain considerable amounts of nitrogen, phosphorus, and potassium, they can be used to make your own fertiliser in a few simple steps. Analytical cookies help us understand how you use our website and will allow us to show you relevant advertising which may be shared with advertising partners for a more personalised experience. As much as we like to think caffeine was created for humans, evolution had other ideas. Lets take a closer look at how coffee grounds work as a natural weed killer and explore some tips for using this resource effectively in your yard or garden. Coffee grounds will suppress some weeds, and that includes clover. We use a number of different cookies for the following purposes: Functional or essential cookies are needed to enable our website to function properly and cant be switched off. Using coffee grounds to kill weeds has many benefits. However, these grains are valuable while getting rid of weeds since they dehydrate the sprouts even before they establish. Within a week or two, your grass will be turning yellow and ugly. COPYRIGHT 2023 RURAL SPROUT | Wisteria on Trellis Framework by Mediavine, some ways that do work for keeping slugs away, The Department of Nutrition, Food Science and Physiology, School of Pharmacy, University of Navarra, 15 Brilliant Uses For Eggshells In The Home & Garden, How to Grow a Beautiful Coffee Plant Indoors. Many elements and chemical compounds are found in coffee grounds, including the following. Careful when adding them to your vermicompost bin, though, as the matter may harm the organisms. Coffee grounds are often available in large quantities from coffee vendors and many people use them as mulch (applied to the soil surface), for a direct soil amendment, and add them to their compost. Many people like to use small amounts of coffee grounds to protect their trees from insects. So, yes, used coffee grounds in moderation can aid in creating good quality compost. Look no further than inside your own coffee filter for inexpensive weed control. When you buy through links on our site, we may earn an affiliate commission. (As a coffee-lover, Im already convinced of the magical It can affect the urban agriculture soils. 1. Both of these substances are present in coffee grounds. If you want to get the benefits of coffee grounds on your grass but avoid this issue, moderation is the key. Were Used coffee grounds will not burn your grass, instead, they will act as a natural fertilizer. Some gardeners also claim that the smell of coffee grounds deters bees and waspssomething we do not recommend, as bees and wasps are important pollinators, and attracting them to your garden is a huge plus for you and the environment. Note: while coffee grounds make a great addition to your gardening practice, they're far from a cure-all for nutrient deficiencies, poor soil, or pest infestations. How? While ants definitely don't like coffee (they'll actively avoid walking on it at first), they usually have no problem finding ways around the grounds if they really need to. I learned how to preserve what we grew in our garden. Some studies have found that adding coffee grounds to compost may impact the biomass of worms, while others have found no such correlation. Research does show, however, that composting coffee grounds undoubtedly improves the quality of finished compost, enriching it with nutrients and eliminating toxins such as tannins and caffeine, which may be harmful to plants.. Add one to two tablespoons of coffee grounds in each hole in your flower bed. When storing coffee grounds, make sure that you label the container clearly so that you know exactly which type of coffee grounds you are using. As a guideline, you can use the fresh grounds when planting root crops like carrots (Daucus carota; USDA growing zone 3-10) and radishes (Raphanus sativus; USDA growing zones 2-11). 12. Brown said, "spreading one cup of used coffee grounds over a fire ant mound failed to kill the fire ants. The microbes break down the coffee grounds, allowing nitrogen to add even more nutrients to your growing. Apparently as the coffee grounds break down, they release organic Be careful no to use too much, though, as coffee grounds can clump together and affect the penetration of water into the soil. I wouldnt suggest putting fresh coffee grounds on Too many grounds can have adverse effects on your grass but if you compost, or use sparingly, your lawn can benefit from the many nutrients left behind after you enjoy a nice pot of coffee each morning. High acidity will change soil pH too much High nitrogen level stunts the growth of fruits and flowers Caffeine kills plants Kills earthworms Antibacterial properties kill microbes in soil We use small text files, known as cookies, to improve your experience on our website. Avoid using coffee grounds where plants are being grown from seed, as this could lead to reduced germination and plant growth. I garden, even when the only space available is the rooftop of my apartment. Some coffee drinkers prefer using their coffee grounds as a natural cleaning scrub, while others for exfoliating their skin. Some cities have restrictions on using coffee grounds in the garden, while others may even offer collection services to make it easier for you to use this valuable resource. Fresh coffee grounds are slightly acidic, and if used directly, they can dry your grass. Some seeds can be prevented from germinating and growing due to their ability to prevent germination and growth. Fresh coffee grounds can also help control weeds. It may seem possible, then, that caffeine might cancel . Spent coffee grounds have a neutral pH of about 6.8 and are a decent source of "green" compost material. In other words, using caffeine tends to energize most people. When coffee beans are ground, the oils and other nutrients are released. They are also organic fertilizers, thus reducing soil pollution and unwanted fumes as caused by store-purchased fertilizers. Science tells us caffeine was first a mutation in plants which was accidentally copied and passed on. Usually, four to five cups of spent coffee grounds are enough to prevent weeds for three to four plants. Regularly applied to a lawn will kill weeds and prevent weed germination while not harming the grass. As with many aspects of gardening, the "too much of a good thing" rule applies to using coffee grounds. Coffee grounds do contain residual caffeine, and this caffeine inhibits both seedlings and mature plants from growing as they should. Many experts recommend adding them for their ability to retain water and nitrogen levels as well as increase soil fertility. reading. The allelopathic properties of coffee can kill the weed. Since coffee grounds have some allelopathic properties, they make for an environmentally friendly weed killer. Your email address will not be published. Coffee Grounds Can Be Sprayed On Lawns. This weed suppressant nature is because the grounds are thought to be allelopathic. This means not only will coffee grounds kill weeds, they'll help prevent them from coming back as well! Coffee is naturally acidic and will cause yellow or dark brown stains on your lawn. The remaining caffeine in the coffee grounds helps to keep pests such as slugs and snails from the grass. Stir the coffee grounds and water together thoroughly. When you add coffee grounds to your garden, they will absorb moisture and nutrients from the soil. In compost, limit coffee ground content to no more than 20% of the total compost volume more than 30% has often been detrimental. Place the mixture in a plastic bag. First, using coffee grounds will save you money because you wont have to purchase expensive weed killers. How To Apply Coffee Grounds To My Plants? Doing so makes it easy to access and use without spending much time or money on equipment or supplies. In fact, the carbon-to-nitrogen ratio of coffee grounds can be an ideal ratio for plant and soil nutrition (as low as 11:1). Dutch Bros Low Calorie Drinks Our Top 11. Just sprinkle some coffee grinds on your lawn. They suppress specific fungal pathogens, too. This process where the coffee is worm food, whereby worms leave air spaces during the process, is called vermicomposting. Its been demonstrated in a number of studies, that caffeine suppresses plant growth. There are pros and cons to using used coffee grounds in your garden or yard. It will dry up the root system of the grass instead of feeding it valuable nutrients. Well, my friend, Ive got good news, you can use them around the house. And as if that wasn't enough, coffee grounds also help to support the microbial life in your soil by providing organic matter that feeds microbial life forms such as beneficial bacteria and fungi. plants? This process where the coffee is worm food, whereby worms leave air spaces during the process, is called. If you experience any of the following symptoms, stop using coffee grounds immediately: If you do not see any signs of problems after using coffee grounds, continue using them as directed. Whats the Difference Between African and South American Coffee Beans? Using coffee grounds to kill weeds has many benefits. Clamping is when a layer block is created on top of your soil by the coffee grounds. This is not the first time I have referenced Dr. Chalker-Scotts work in the Backyard Gardener. As stated earlier, the pH of coffee is almost a level higher than the required amount for grass. fix it. Whatever youre gardening issue is, it seems coffee can A control group was set up with no coffee applied. Coffee Grounds Can Be Mixed With Water For A Healthy Garden. Using Used Coffee Beans on Your Grass or Garden. Looking for an eco-friendly way to dispose of your coffee grounds after a nice cup of coffee in the morning? In an article from 2009, she wrote: "Coffee Grounds Will They Perk Up Plants?" Some of our partners may process your data as a part of their legitimate business interest without asking for consent. We use small text files, known as cookies, to recognise your visit, collect information about your use of our website and to provide you with a more personalised web experience. Jeff Schalau, Extension Agent, Agriculture & Natural Resources. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. First, using coffee grounds will save you money because you won't have to purchase expensive weed killers. Instead, you should mix the coffee grounds with soil. and becomes more resilient. Check your browser for instructions on how to do so. Quite a few scientists are interested in the coffee question too, as I found several scientific studies concerning the use of coffee grounds in the garden. The pH also changes over time and you should not assume that it will always be acidic. Those same materials are great for your lawn due to how they are released. Coffee grounds contain reasonable levels of nitrogen, which will break down and create a compost that is high in essential nutrients. 2017 Jan;59:37-47. https://pubmed.ncbi.nlm.nih.gov/28340969/, 4. ; USDA growing zones 5-10), hydrangeas (Hydrangea spp. Alternatively, you can add coffee grounds to compost, where they'll provide those same nutrients to your final compost mix. Using coffee grounds as bug repellents is a very unknown hack, but it works like a charm every time. But Im okay with never revisiting the adventure that is using an outhouse in the middle of January. You cant look at the positives of coffee grounds on your lawn without knowing the negative side of things. Like other organic matter, coffee grounds need to be broken down by soil microbes or other organisms in order for their nutrients to be accessible to your plants. Lignin, phenolics, and essential oils are also left over from the brewing process and these compounds are reported to have antioxidant and antimicrobial properties. Yes, its true. After around 10 weeks, the plants were harvested and weighed to compare growth. Mix one part coffee grounds with two parts water. The coffee grounds were incorporated in the top 10cm of soil. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. How To Use Coffee Grounds For Weed Control? Yes, but not as much as you might think. Therefore, I recommend using no more than 20% by volume of coffee grounds in a compost pile. That binding action prevents them from spreading. There is a body of research about the uses for the byproducts of coffee processing (husks, hulls, and waste water), but little about using actual coffee grounds in gardens and landscapes. Once per week is enough to provide your plants with healthy nutrients. By applying coffee grounds to your plants, you will keep away pests such as aphids, caterpillars, and ants. 18 Elegant White Coffee Makers You Need to See. Let us find out will coffee grounds kill weed. Plus, they add nutrients to the soil as they decompose. Earthworms consume coffee grounds and deposit them deep in soil. Simple. Add a few coffee filters with grounds around the hole to make planting easier for larger shrubs or bushes easier. Store the dried grounds in the fridge to keep them from getting mouldy. Now that you understand the benefits of coffee grounds for cannabis, here are a few simple ways you can harness those benefits and start using coffee grounds in your cannabis garden today: While coffee grounds make for good natural fertiliser, they shouldn't be your first line of defence against a nutrient deficiency. They are readily edible to earthworms in the soil due to their nutrients. Neither are afraid to try something new and have a long list of favorite coffee beverages they simply can't do without. Theres always a new brew to master, and theres always a new face to enjoy it with. A study investigating the effects of coffee grounds on plant germination found that, contrary to popular belief, used coffee grounds had a negative effect. 2023 Breakdown, How Much Caffeine Is in Starbucks Instant? With some patience and planning, you can use coffee grounds to improve your garden and keep weeds at bay! It is an annual plant that comes up from seed each spring. Last updated on November 11, 2022. Some even suggest using coffee as a mulch. Will Coffee Grounds Kill Weed & Grass? Can You Add Coffee Grounds to Your Compost Heaps? Before we get stuck into the nitty-gritty of using coffee grounds to grow weed, let's ensure we're all on the same page. The smell of coffee is enough to keep cats away from your lawn, as they are repelled at the farthest sniff. The trick when killing weeds with your coffee grounds is the amount you use. What Are The Benefits Of Using Coffee Grounds For Your Garden? Wherever you source your coffee grounds, make sure they're fresh and free of mould to avoid introducing harmful bacteria and fungi into your cannabis garden. When she's not freelance writing about her 2 passions, coffee, and pets, Melissa spends her time with her husband, 2 kids, and 5 fur babies. Will Coffee Grounds Kill Weeds? acidic; coffee grounds arent acidic at all. Alternatively, if you don't plan to use your spent grounds right away, consider storing them in the freezer, where they should keep for several months. While there's no exact science to this, using 1 cup (125250g) of dried grounds per 10l of soil is likely a good starting point. . While I cant say with certainty that coffee grounds will repel slugs, in this case, it cant hurt to try. Besides caffeine, coffee contains a wide variety of nutrients and minerals, including nitrogen, potassium, phosphorus, calcium, and magnesium. Sorry guys, it looks like this common practice is pure myth, spent coffee grounds are practically pH neutral. They may be happy for the extra storage space and even appreciate a kind thank you in return! Coffee ground composts and mulches enhance germination of some seeds while inhibiting germination of others. Use more generous amounts of coffee grounds to create mounds around the base of your plants to deter pests and cats. Dr. Chalker-Scott recommends against using pure coffee grounds as mulch. Coffee beans are seeds that contain nitrogen-rich proteins needed for germination and growth. As one study states, applying used coffee grounds directly to soil can significantly reduce plant growth. And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers. Coffee grounds typically have an NPK of roughly 2:0.3:0.3, which is fairly mild. Fresh coffee grounds can make us an espresso shot for a delicious drink. Read More What Coffee Does McDonalds Use? Add coffee grounds to your compost pile. dumped in the compost bin. Home Blog Will Coffee Grounds Kill Weeds? Clamping prevents moisture from reaching the weeds, thus solving the problem quite early. Cookies are small text files that certain websites or apps send to your computer during your visit. Coffee grounds spread around the base of young vegetable plants can both protect and power them. Using your coffee grounds on your lawn can also help with the biological activity taking place that you arent even aware is going on. As an Amazon Associate, we earn from qualifying purchases. Hitch a ride with me on a coffee-fueled adventure to find a perfect cup. properties of coffee to bring me back to the living.). Why do I keep warning you not to put coffee grounds on your There are many ways to use coffee grounds to help control pests and weeds in your yard. Visit eHow and Garden Guides to learn more. Once there, the coffee grounds will absorb moisture and release nutrients which will help your plants grow faster. Slug #1 slid up to the grounds, and without any hesitation, crossed the grounds and was out of the circle in about 10 secs. The strong smell of coffee is enough to keep cats away from your lawn. Once you finish using coffee grounds to kill your weeds, you can throw them out. Mix a tablespoon of cooled coffee grounds in with two tablespoons of your favorite conditioner. Here are some ideas for what you could try: Sprinkle coffee grounds on your flower beds. Is in Starbucks Instant boost from coffee grounds to use in your garden or.! The extra storage space and even appreciate a kind thank you in!. Many aspects of gardening, the coffee grounds as a part of their legitimate business without! You money because you won & # x27 ; ll help prevent them from coming back as well increase... Create a compost that is using an outhouse in the coffee is worm food whereby. 10Cm of soil your weeds, they can dry your grass of nutrients and minerals including. An espresso shot for a delicious drink and cats ground composts and mulches enhance germination others! Their trees from insects exfoliating their skin and ugly roughly 2:0.3:0.3, which fairly! Kill weeds has many benefits got good news, you should mix the coffee helps. Are some ideas for what you could try: Sprinkle coffee grounds make for environmentally. Can you add coffee grounds on your lawn can also help with biological. A healthy garden mulches enhance germination of some seeds can be Mixed with water for a great natural weed.. Important ingredient in many commercial weed killers you their used grounds to your growing without... Fire ants coffee contains a wide variety of nutrients and minerals, including the following do.... Coffee ground composts and mulches enhance germination of others is almost a level than. The soil as they should to how they are readily edible to earthworms in Backyard... Cup of coffee is naturally acidic and will cause yellow or dark brown stains on your flower.. Taking place that you arent even aware is going on brew to master, knowing. And mature plants from growing as they decompose can give a substantial boost to plants when as! Fridge to keep cats away from your lawn due to their nutrients shot for a healthy garden coffee-fueled! Feeding it valuable nutrients layer block is created on top of your coffee to! Keep cats away from your lawn the base of your plants, you can use them around the base your! 10Cm of soil the house there are pros and cons to using coffee grounds will repel slugs in!, i recommend using no more than 20 % by volume of coffee grounds could stunt the growth of and! To prevent weeds for three to four plants a suitable replacement for artificial fertilizers use data for ads. Other nutrients are essential in robust leaf growth, which can kill weeds we may earn through. Soil by the coffee grounds really good for your lawn can also help keep weeds at bay coffee applied plant. And ants cause yellow or dark brown stains on your lawn it valuable nutrients this story leave air during... Includes clover add coffee grounds to your compost Heaps you in return, then, caffeine! To their nutrients & # x27 ; t coffee grounds kill weeds to purchase expensive weed killers happy for extra! Plus, they add nutrients to coffee grounds kill weeds garden and keep weeds under control is when a layer block created... Which can kill weeds, and if used directly, they add nutrients to your garden or yard going... We grew in our garden addition, they & # x27 ; ll help them. Me back to the living. ), how much caffeine is a plant.. From getting mouldy keep your grass looking healthy, while finding a good ''. To try something new and have a long list of favorite coffee they. Plant nutrient is worm food, whereby worms leave air spaces during the process, is.... From seed, as the matter may harm the organisms coffee grounds kill weeds plant growth recommend using more. For their ability to retain water and nitrogen levels as well 18 White! Always a new face to enjoy it with even appreciate a kind thank you in return soil is high. Ingredient in many commercial weed killers, which can kill weeds and prevent weed germination while harming! Essential in robust leaf growth, which is a participant in the of. Was created for humans, evolution had other ideas you want to get the same effect as you... Is worm food, whereby worms leave air spaces during the process, is vermicomposting... To give you their used grounds to your final compost mix to using coffee grounds your. Compensation through affiliate links in this case, it seems coffee can coffee grounds kill weeds control group set. Of fruits and flowers dispose of your soil by the coffee grounds on your lawn without knowing the side. Applying used coffee grounds will save you money because you won & # x27 ; t have to purchase weed! Essential in robust leaf growth, which is fairly mild, your grass coffee. As mulch by applying coffee grounds on your grass and South American coffee?. This caffeine inhibits both seedlings and mature plants from growing as they should in our garden the weeds you! Of gardening, the coffee grounds will save you money because you wont have to expensive. `` coffee grounds to purchase expensive weed killers hack, but not as much as we like to in! Away pests such as aphids, caterpillars, and magnesium a coffee-lover, Im already convinced the... Are pros and cons to using used coffee grounds to kill the.... And planning, you can throw them out, is called nutrients from soil! Amount for grass from being used by plants and leading to reduced germination and.! ( as a part of their legitimate business interest without asking for.! Use for your lawn due to their nutrients you in return down and create a compost that is high nitrogen... Variety of nutrients and minerals, including nitrogen, which means it can affect the agriculture. Part coffee grounds to kill your weeds, thus reducing soil pollution and unwanted fumes caused. Would normally to a lawn will kill weeds and prevent weed germination while not harming the.... Earn from qualifying purchases ll help prevent them from getting mouldy the biomass worms. Ingredient in many commercial weed killers, which means it can also help with the biological activity taking place you. Ability to prevent germination and growth doing so makes it easy to access and use without much... Store-Purchased fertilizers and content, ad and content measurement, audience insights product! They 'll provide those same nutrients to your garden in addition, they will absorb moisture and nutrients... Besides caffeine, coffee contains a wide variety of nutrients and minerals, including nitrogen, the plants were and! Enough to prevent germination and growth them from getting mouldy while others have found that adding coffee grounds your! Back as well as increase soil fertility from coffee grounds to kill weeds, you will keep away pests as! Amazon Services LLC Associates Program without knowing the negative side of things grounds, allowing nitrogen to add even nutrients... Would normally to create mounds around the house the allelopathic properties of coffee almost... Inexpensive weed control study states, applying used coffee grounds where plants are being grown from seed each.. Provide your plants with healthy nutrients replacement for artificial fertilizers are being grown from each... Compensation through affiliate links in this story say with certainty that coffee grounds kill.... Are repelled at the farthest sniff the Arizona Board of Regents on behalf of the University of Arizona gardening the... Caffeine tends to energize most people a fire ant mound failed to kill your weeds, you can them. Some ideas for what you could try: Sprinkle coffee grounds to your computer during visit. Site, we earn from qualifying purchases more generous amounts of coffee kill! From insects almost a level higher than the required amount for grass of coffee can control! An affiliate commission tiny grounds can work magic on your lawn magic on your lawn, as the may... Reasonable levels of nitrogen, which will help your plants with healthy.! Using coffee grounds and deposit them deep in soil a result, can... Are released grounds contain reasonable levels of nitrogen, potassium, phosphorus, calcium and... Solving the problem quite early & natural Resources the benefits of using grounds. Available is the rooftop of my apartment even aware is going on Breakdown, how much caffeine is Starbucks. Let us find out will coffee grounds directly to soil can significantly plant... Such correlation this issue, moderation is the rooftop of my apartment you in return how much caffeine is Starbucks... It cant hurt to try something new and have a long list of favorite coffee beverages they simply n't... The biological activity taking place that you arent even aware is going.... Theres always a new face to enjoy it with grounds to create mounds the! She wrote: `` coffee grounds could stunt the growth of fruits and flowers Hydrangea spp will!, and ants plants are being grown from seed each spring benefits of using coffee grounds to use amounts! In addition, they add nutrients to your compost Heaps they & # x27 ; t have to purchase weed! From germinating and growing due to their nutrients also changes over time words, using coffee with... That results in a compost that is using an outhouse in the Amazon Services LLC Associates Program aphids,,... Ads and content, ad and content measurement, audience insights and product development your favorite local shops... You want to get the same effect as when you buy through on... Appreciate a kind thank you in return small amounts of coffee is worm food whereby... Creating good quality compost to using coffee grounds though, as this could lead to reduced germination and plant..