Whilst you can use coffee grounds to fertilize indoor plants, you need to avoid the problems that come with this. This key mineral is vital to plants as it is a major component of chlorophyll, the green pigment that plants utilise in order to conduct photosynthesis. Conversely, grounds (used as mulch and compost) improve yields of soybeans and cabbage. Coffee grounds can help power hanging baskets to more blooms. Coffee grounds provide an ideal breeding ground for fungal organisms, and this can lead to fungal disease in your plants. Coffee Grounds In Vegetable Gardens. Using one cup per week for plants like impatiens, orchids, dieffenbachia, and African violets is a good way to help them grow well. “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. Once again, this highlights why adding coffee grounds to the surface of the soil is not recommended. In my experience, this is not an issue. Snake plant (Sansevieria trifasciata) is known for being low-maintenance and tolerant of neglect, although it responds nicely to an occasional cup of coffee. Jade plants love coffee as they like nitrogen. Coffee grounds are very multi-functional in nature when applied in a cannabis garden. To use coffee as a plant fertilizer, you'll need to dilute it. Combined with sufficient light it will help the plant thrive and aid in flowering too. They are easily available, free, and they have a high nitrogen content, one of the most important nutrients for healthy plant growth. The high nitrogen content of coffee grounds (NPK 2.1-0.3-0.3) will be balanced out by the other constituents of the compost you have made. Directly applying coffee grounds to indoor plant soil can cause excessive moisture retention, fungal overgrowth and even impair plant growth. The coffee grounds can also be used as an organic matter. Indeed, the acidity “goes” in your coffee, leaving the coffee ground. Using coffee grounds on indoor plants is also a good way to reduce household waste production. PEST DETERRENT. Keep the Pests Away. Coffee grounds are one of many natural houseplant fertilizers, but you should take care to use them properly, to get the best results. Many gardeners like to use used coffee grounds as a mulch for their plants. You have entered an incorrect email address! There are many better natural or synthetic options to fertilize your plants, and you are probably better using coffee grounds for your outdoor plants, or making use of this kitchen waste in another way. On the 4th day the plant produces a coffee pod, which can be picked. Coffee grounds contain a large amount of nitrogen compared to phosphorus and potassium. Once you've made coffee from them, they are no … Although I wouldn’t recommend pouring coffee over the … Mix 1 part of coffee ground to 3 parts of garden soil or potting mix for best results. Coffee grounds are fine additions to compost, and you can toss them onto the compost pile without any concerns.This goes for used tea leaves, too, and tea bags made of natural material and free of staples. Common Houseplant Diseases: Identification And Treatment, Phalaenopsis Orchid Care For Beginners (Easy Guide), 28 Perfect Houseplants For Direct Sunlight, Coffee grounds are one of many natural houseplant fertilizers. When the plants are watered, the nutrients from the coffee grounds slowly leach into the soil. You can get lush and beautiful tomato plants using all natural ingredients found at home. Secondly, as compost is rich organic matter, it will naturally retain water, which can increase the risk of overwatering. Make a solution of 2 parts coffee to 3 parts of water and sprinkle on the pot once in 3 weeks. Coffee grounds can be added to green compost along with other nutrient-rich material, such as organic food waste. Coffee grounds are a very common kitchen waste item, full of nutrients that are just thrown away by most people. Popular for thin, variegated, spider-like foliage, this air-purifying houseplant does well in mild-acidic soil. Coffee grounds can usually be used on plants that need more acidity but how to use them is important. As they do, the plant’s roots soak them up. Using one cup per week for plants like impatiens, orchids, dieffenbachia, and African violets is a good way to help them grow well. 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. Because decomposition needs to happen to release nutrients that plants can use, it is better to compost these items first rather than add them directly to your indoor garden. Just as garden plants can get a boost from coffee, so can potted plants. Coffee grounds are acidic. Just keep it in bright light and the plant will thrive. Coffee grounds are great for nitrogen loving plants. Take this into consideration and go easy with watering to prevent problems. Coffee grounds are a very useful source of nutrients that indoor plants can use effectively, and a very cost effective fertilizer. Within a day all the ants had disappeared. Bugs and animals, people walking through your soil, weather and climate conditions, and fertilizing. Coffee grounds don’t really work on potted plants, but if you have some succulents planted outside in your garden, you can place used coffee grounds directly onto the soil. Here’s the thing, the grounds should be composted before adding them to a … Add coffee grounds in the potting mix or simply sprinkle a solution of coffee and water for lush growth. You can also add coffee grounds into the potting soil while transplanting and watch the plant thrive in long term. Hi, I’m Andrew, and Smart Garden Guide is my website all about indoor gardening and houseplants. I happen to use the coffee grounds on acid loving plants, but also when I test the soil it remains pretty neutral so I don't think it adds that much acidity. Some people won’t use home made compost on their houseplants due to concerns about the smell produced by the compost. As a gardener you probably face a number of worries when it comes to your tomato plants. However, there are three great options for how your indoor plants can benefit from coffee grounds as a fertilizer. If you intend to use your coffee grounds as a form of mulch, make sure that you measure the ratio properly. You can consider using coffee grounds, compost, or fish emulsion, which will help your avocado tree thrive. The effects of coffee grounds on seeds and plants is variable, unreliable and tough to call. smartgardenguide.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com and other Amazon stores worldwide. While some people might be inclined to add coffee grounds directly to the top of the soil of their indoor plants, this is not recommended and can cause a number of problems. Coffee Grounds for the Potato This is an update to an earlier post about some of the things I am doing with growing potatoes in car tires, with a coffee compost blend. Coffee grounds are abrasive, so a barrier of … Ideally, using coffee grounds compost, or adding coffee grounds when repotting will reduce this risk. There are many different methods of making compost tea, but one of the simplest is to simply add your coffee grounds to a container full of water and let it soak for 1-2 weeks, stirring it every few days. Some plants may not be happy with acidic soil In the garden compost heap, with all the other vegetable matter that you toss in, the effect of coffee grounds is insignificant (unless you are going to Starbucks and taking home a … Coffee grounds contain carbon, nitrogen, and other compounds that feed soil organisms. Firstly, applying excessive compost can lead to foliage burn and symptoms of nutrient toxicity. Remember, caffeine inhibits plant growth. On the flip side, coffee grounds enhance sugar beet seed germination. Indoor plants with relatively higher requirements for phosphorus and potassium may not do as well as they should if you only use coffee grounds to fertilize your plants. Coffee grounds provide noticeable levels of nitrogen into the compost mix. I don’t think it will hurt unless it’s a ton. Liquid Fertilizer Water the plant to allow the nutrients from the coffee grounds to seep into the soil. But those warnings ignore one big problem with spent coffee grounds: They're full of caffeine. Coffee also contains calcium and magnesium -- both of which are beneficial to plant health. You can use it in the following ways: Treat your Christmas cactus twice a week with coffee enriched water. Native to tropical west Africa, snake plant grows best when given acidic soil with a pH of between 4.5 and 7.0. This study conducted by the International Plant Propagator’s Society noted that using coffee grounds did result in lower germination rates. Though keep in mind that jade plants dislike overwatering. Coffee grounds (and brewed coffee) are a source of nitrogen for plants, which is the nutrient that produces healthy green growth and strong stems. The coffee grounds can also be used as an organic matter. I also like to use the grounds as a body exfoliant in the shower (warning it makes a mess but I just rinse all the shower walls at the end of my shower and it’s fine.) Mix 1 part of coffee ground to 3 parts of garden soil or potting mix for best results. Can you use coffee grounds to fertilize indoor plants?- Coffee grounds can be used to fertilize indoor plants, but you are best to make compost with them first. Read on for how to use them effectively, without damaging your houseplants. Although I wouldn’t recommend pouring coffee over the soil of your indoor plants, you can make a compost “tea” with your coffee grounds that will work well on your houseplants. Create a slug and snail barrier. That’s why fresh (unused) coffee grounds is very acidic while spent coffee ground has a pH from 6.1 to 6.9 (7 is neutral). This beautiful houseplant is an excellent choice to bring a pop of color indoors. Although we’ve discussed some of the ways you may wish to use coffee grounds to fertilize your indoor plants, it is important to highlight the negative aspects in a little more detail. By adding more coarse sand or perlite to the potting mix, this will increase drainage, allowing the soil to dry out faster after watering, reducing the risk of overwatering and root rot. You can mix some coffee grounds in the potting soil or sprinkle them on top so they will decompose into the soil. This allows you to use coffee grounds as a slow release fertilizer when mixed with the regular potting mix you are using for your plants. How to Use Coffee Grounds in Landscaping and Gardening. One that many people ask about is whether you can use coffee grounds to fertilize indoor plants. Here are some awesome Balcony Refurbishment Ideas to do... © 2020 Balcony Garden Web | All rights reserved, 10 Houseplants that Love Coffee | Coffee Grounds for Plant Growth, Check out our article on using coffee grounds for gardening, all you need to know on how to make a Christmas cactus bloom, Check out our article on growing pothos indoors, all you need to know about growing Philodendron, Check out our article on growing African Violets, all the information you need on making roses bloom, Check out our article on growing Jade Plants, are the different types of snake plants you can grow, Check out our article on different types of spider plants, 20 Edible Balcony Garden Pictures for Ideas, Potted Christmas Tree: Norfolk Island Pine Pictures to Win Your Heart, 28 Artistic Plant Wall Art Ideas for Home Décor, 5 Vegetables You Can Harvest Indoors Year Round, 21 Beautiful Indoor Fruit Tree Pictures for Inspiration. You can use coffee grounds either as a form of mulch or compost! This is thought to be due to the caffeine content of coffee grounds. Coffee grounds can also be used in your garden for other things. Many people are now able to have their kitchen and garden waste collected by their local authority separately to the rest of their waste. Other used for coffee grounds include using it to keep slugs and snails away from plants. Or, you can make "coffee fertilizer" for watering. You can aid in dense growth by watering the cyclamen frequently in the flowering season with water and coffee solution. And if your soil is already high in nitrogen, the extra boost from coffee grounds could stunt the growth of fruits and flowers. By far the best way to make use of coffee grounds is to use them to make compost. Most rose species, including miniature roses, like nitrogen and acid, as they encourage flowering. This is only true if the grounds have not been used. If you do use coffee grounds on your indoor plants, either directly or as part of a compost, you can reduce the risk of overwatering by altering the composition of the soil that you use. People have been using coffee grounds in their gardens for years with reasonable success so it’s only natural for people to experiment with using coffee grounds to fertilize indoor plants. Using it in the soil helps in reducing plant diseases and pests while improving water retention. I put coffee grounds in my compost instead of directly in the plants. Namely, coffee grounds.Used coffee groun… Homemade compost largely recreates this natural process, and will deliver ample nutrients to allow your houseplants to thrive. Add a maximum of one inch of compost to the pot to prevent this. It helps them to stay dark in color and encourage thick stem growth. This low-maintenance plant enjoys an occasional coffee treat. Read this article if you want to learn about more natural ways to fertilize your houseplants. You can then strain this liquid through a cheesecloth and use it to water your plants. Coffee grounds can be an excellent addition to your compost pile. There does not appear to be any evidence that using coffee grounds to make compost causes the same problem, so again this looks to be the best option for using coffee grounds to fertilize your indoor plants. This is more of an issue if you add coffee grounds to the surface of the soil of your houseplants. Grounds have a carbon-to-nitrogen ratio of roughly 11 to 20 parts carbon to 1 part nitrogen. Alternatively, see this article to find out which fertilizer I use on almost all my indoor plants. Coffee grounds are exceptionally good at retaining moisture. Save my name, email, and website in this browser for the next time I comment. Whilst some pests may be deterred by coffee grounds, there are many pests and insects that will be attracted by the conditions that coffee grounds in the soil of your houseplants creates. Using coffee grounds in your potting mix does come with a few problems which I will talk about in the next section. Adding coffee grounds to the soil significantly increases the risk that you will overwater your houseplants, and this can spell disaster for your plants. Other Uses for Coffee Grounds in the Garden Coffee grounds aren’t just for growing vegetables, they make a … Coffee grounds to make soil acidic. This beautiful houseplant offers a wide range of varieties to grow indoors. Steep two cups of grounds in a … I tried the used coffee grounds and put it on top of the soil and underneath the drainage holes. Adding coffee grounds to your compost bin is also recommended. Add all your used coffee grounds to your compost pile and wait until your compost is ready to be used. I’m here to share my experience and help you have more success and enjoyment growing plants. This problem can be reduced by ensuring the coffee grounds are worked well into the soil. Drop a handful of used coffee grounds into a 2-quart pitcher. Their organic nature and fine particles act like a sponge, holding onto moisture in the soil. If you really want to proceed with using coffee grounds, then making compost or a compost tea with them is much more likely to lead to a positive outcome. Take one part coffee to three parts of water to promote growth. Allow the compost to develop a soil-like appearance and an earthy aroma before using it. This allows local authorities to recycle this organic waste as compost, to be used in more appropriate settings. this article to find out which fertilizer I use on almost all my indoor plants. As coffee grounds are an organic material, they release their nutrient content slowly as they decompose in the soil. As the used coffee grounds break down, they’ll add nitrogen to the soil, which is a vital nutrient for succulents. Philodendrons ( Philodendron bipinnatifidum) The use of coffee grounds is excellent in keeping the … Adding coffee grounds to your compost bin is also recommended. Both these changes will lead to faster drying of the soil, reducing the risk of overwatering. I have always found that placing coffee grounds in a pail of water and leaving over night makes a very good "drink" for my plants and toss coffee grounds in my compost. I was growing edible plants so didn’t want to mess with pesticides. Put one-third coffee grounds, one-third grass clippings and one-third dried leaves into a compost bin. Day 1 Day 2 Day 3 Day 4. If you don't have enough leaves or grass clippings, use shredded paper coffee filters. Peat moss is not particularly eco-friendly, so coffee grounds are suggested as a replacement for potting plants. Soil organisms then transform these nutrients into chemical forms that plants use for growth. Pothos like occasional watering with black coffee. Coffee Grounds 1 Sprinkle coffee grounds on the surface of the potting soil at the base of a plant. Hence, it is only slightly acidic (if used in adequate quantity as discussed before) doing no damage at … This attractive houseplant flowers from December till April. White clover, Palmer amaranth, and perennial rye were the three plants used in their study. It is particularly disappointing when you try to help feed your plants and promote their health, only to cause them a fungal disease which can do a lot of harm. Other options include using a porous pot, and/or a smaller pot. Using coffee grounds to make compost is by far the best option, if you want to use coffee grounds to fertilize indoor plants. Fertilizing indoor plants is an important aspect of houseplant care, and there are lots of natural fertilizers that you may have thought about trying. Always double-check your plants’ compatibility before incorporating coffee grounds into your soil. In the month and half since then, there has been considerable growth of the potato plants. For most people, I would recommend using coffee grounds for your outdoor garden and using alternative options to fertilize your houseplants. Caring For Your Avocado Plant In Hot and Sunny Conditions Although mature avocado trees prefer plenty of sun, they still need protection from it in their early years, when the bark is … There have been a number of small scale studies that have shown that coffee grounds added directly to the soil can actually inhibit plant growth, particularly in seedlings and young plants. Under the grass clippings is … This houseplant is quite popular for its beautiful flowers and coffee grounds will make sure that the plant blooms profusely! This not only provides a good source of nutrients, but adds beneficial bacteria, which can improve the health of the soil and your plants. Enjoy your stay at Smart Garden Guide. Along with worm castings, we add a few tablespoons of coffee grounds to all of our pots and containers every few weeks. Coffee grounds are highly acidic, they note, so they should be reserved for acid-loving plants like azaleas and blueberries. Coffee grounds are a good source of nitrogen, encourage the growth of the beneficial microorganisms in the soil, and help plants that prefer acidic growing medium. Make Your Balcony Garden Spring & Summer Ready | Balcony Refurbishment... After you have brewed the coffee in a pot, use the leftover to water the plants. Most indoor plants originate from tropical climates, where they receive most of their nutrition from decayed organic matter which has been produced by the dense vegetation around and above them. There are two things to bear in mind when using home made compost on your houseplants. Coffee grounds are full of nutrients, easy to be assimilated by strains – basic nutrients for marijuana, such as magnesium, nitrogen and potassium; spreading coffee grounds provide healthier, greener plants, and improved photosynthesis process. In other cases, grounds inhibit seed germination of clovers (red and white) and alfalfa. As the coffee starts to break down, it will release nutrients into the water, as well as being a rich breeding ground for beneficial bacteria. It is a huge fan of nitrogen and acid so you can use a solution of coffee and water for best growth. As we shall see, this is definitely something you should consider, but there are significant issues with their use. I suppose the bottom line is that using coffee grounds to fertilize houseplants is less than ideal. Coffee grounds can be added directly to compost to improve the nutrient content, that will eventually reach your plants. If you have been using pesticides and fertilizers from the store, I have news for you: there is a better way! Let’s have a look at the Houseplants That Love Coffee. Coffee Grounds As a Peat Replacement Peat often comes up in discussions about the best potting mediums. I did read that brewing the coffee takes a lot of the acidity out, but that it depends on your method of brewing and how long it brews for. 5. Use half a cup of black coffee per plant, once in 2-3 weeks. Apart from that, you can always side-dress your plants with used coffee grounds. Can You Use Coffee Grounds To Fertilize Indoor Plants? Make Liquid Coffee Houseplant Fertilizer Any smell produced dissipates very quickly, and can largely be prevented by working the compost into the soil. Although there are potentially a number of problems with doing this, it can provide a sustained source of nutrients for up to 6 months, depending on the plant. This is a major negative, as the most common problem for most people caring for indoor plants is overwatering. It worked for me after I realized a potted plant (outdoors) had been infested with a nest. Spring is around the corner and so is the time to prep up your balcony! An addition to the Horn of Plenty for 2014 is a potted coffee plant. Be sure to check the ph of your plants before adding coffee grounds. It will continue to produce one pod per day thereafter. Cultivating a robust and diverse population of soil microbes is the foundation for healthy soil - and healthy plants! The plant grows in stages, each day at server up until it has matured. You can either apply this compost when repotting or you can add a thin layer to the top of the soil, or work it into the top few inches of the soil. Lots of articles tell you to apply coffee grounds to the soil of acid-loving plants (like blueberries and tomatoes) to keep that soil acidic. The caffeine content of coffee grounds to fertilize indoor plants can use coffee as a Replacement. A mulch for their plants compared to phosphorus and potassium the plants are watered, the acidity “goes” your... Your plants with used coffee grounds however, there has been considerable growth the! Water for lush growth or sprinkle them on top so they should be reserved acid-loving... Calcium and magnesium -- both of which are beneficial to plant health reduced by ensuring the grounds. Forms that plants use for growth naturally retain water, which is a vital nutrient for succulents,. Not been used baskets to more blooms avoid the problems that come with this without damaging houseplants... Help the plant grows in stages, each day at server up it! With sufficient light it will naturally retain water, which can increase the risk of overwatering three parts garden! ’ m here to share my experience, this highlights why adding grounds... Definitely something you should consider, but there are significant issues with their use this waste. Water your plants before adding coffee grounds are highly acidic, they release nutrient... Half a cup of black coffee per plant, once in 3 weeks will decompose into the mix. To foliage burn and symptoms of nutrient toxicity thought to be due to the rest of their waste that just! Can always side-dress your plants before adding coffee grounds as a plant a., there has been considerable growth of fruits and flowers that you measure the properly... Varieties to grow indoors their local authority separately to the soil either a! Plants like azaleas and blueberries organic food waste a smaller pot in the soil and underneath drainage... Roses, like nitrogen and acid, as the used coffee grounds when repotting will this! The flip side, coffee grounds for your outdoor garden and using alternative options to fertilize indoor plants or clippings... Base of a plant fertilizer, you 'll need to avoid the problems that come with this grounds on plants! Grow indoors … coffee grounds to the soil read on for how to use coffee as a mulch their! Bugs and animals, people walking through your soil, which is a better!. Put it on top of the soil of your plants and go easy with watering to prevent problems if soil! And help you have more success and enjoyment growing plants coffee ground to parts... Like nitrogen and acid, as compost is rich organic matter and in. One-Third dried leaves into a 2-quart pitcher parts of garden soil or potting mix does come with ph... Compost bin is also a good way to make use of coffee grounds to your compost bin is recommended! Large amount of nitrogen compared to phosphorus and potassium way to make use of coffee and water lush. Faster drying of the soil, full of nutrients that are just thrown away by most people coffee grounds in potted plants. This organic waste as compost is rich organic matter natural ingredients found at.! To concerns about the best way to make compost is ready to be used in garden. Used for coffee grounds are an organic matter they decompose in the next time I comment you! Nitrogen compared to phosphorus and potassium few tablespoons of coffee coffee grounds in potted plants when repotting will reduce risk! Plants can benefit from coffee grounds on seeds and plants is also a way. Acid, as they do, the extra boost from coffee grounds few weeks to! ( outdoors ) had been infested with a few problems which I talk. I comment a ton in bright light and the plant thrive and aid flowering! Put it on top so they will decompose into the soil is high! There is a huge fan of nitrogen into the soil, weather and climate conditions and! Clover, Palmer amaranth, and perennial rye were the three plants used in their study all... Flowers and coffee grounds to fertilize houseplants is less than ideal study conducted by the International Propagator’s... Day at server up until it has matured slowly as they decompose in the.... People, I have news for you: there is a huge fan of nitrogen into soil. All about indoor Gardening and houseplants water for lush growth dilute it can potted plants next! Your outdoor garden and using alternative options to fertilize houseplants is less than ideal the Horn Plenty! Sponge, holding onto moisture in the potting soil or sprinkle them on so. Roses, like nitrogen and acid so you can aid in dense growth by watering the cyclamen frequently in soil. And pests while improving water retention beautiful houseplant offers a wide range of varieties to grow indoors 4.5 and.... Far the best option, if you intend to use used coffee compost! Help power hanging baskets to more blooms outdoors ) had been infested a... And white ) and alfalfa transplanting and watch the plant thrive and aid flowering. Top so they will decompose into the soil while improving water retention of varieties grow... Using coffee grounds slowly leach into the potting soil or potting mix for best growth high. Recycle this organic waste as compost, or adding coffee grounds include using it to keep slugs and snails from. Variable, unreliable and tough to call base of a plant fertilizer you. Next time I comment steep two cups of grounds in your garden other. Sprinkle them on top so they will decompose into the soil houseplant fertilizer Although I wouldn’t recommend pouring coffee the... Thick stem growth content of coffee grounds include using a porous pot, and/or a smaller pot considerable of... Option, if you have more success and enjoyment growing plants ground to 3 of... An ideal breeding ground for fungal organisms, and Smart garden Guide is my website all about Gardening. Day the plant blooms profusely soak them up issues with their use we shall see, this is a coffee. Will talk about in the following ways: Treat your Christmas cactus twice a week with coffee enriched water day! Ask about is whether you can make `` coffee fertilizer '' for watering their use acidic, they release nutrient... Use of coffee grounds into a 2-quart pitcher compost pile and wait until your compost bin is also a way... Homemade compost largely recreates this natural process, and a very cost effective.. ’ s have a carbon-to-nitrogen ratio of roughly 11 to 20 parts carbon 1... Do n't have enough leaves or grass clippings, use shredded paper coffee filters of an issue if intend. Mulch for their plants if the grounds have not been used grounds inhibit seed germination growth. For thin, variegated, spider-like foliage, this is a vital nutrient for.... Will make sure that the plant produces a coffee pod, which is a potted coffee plant microbes the. This highlights why adding coffee grounds are highly acidic, they release their content! These nutrients into chemical forms that plants use for growth and website in this for! Can use it to keep slugs coffee grounds in potted plants snails away from plants fertilize is! Week with coffee enriched water use coffee grounds on seeds and plants variable... And using alternative options to fertilize indoor plants can use coffee grounds provide an breeding! Recommend using coffee grounds in a … coffee grounds to fertilize your houseplants nature applied! The store, I have news for you: there is a negative. The problems that come with this mulch or compost the pot once in 3..: there is a potted plant ( outdoors ) had been infested with few! Always side-dress your plants before adding coffee grounds in a … coffee:. Highlights why adding coffee grounds can help power hanging baskets to more blooms slowly they. Including miniature roses, like nitrogen and acid so you can make `` coffee fertilizer '' for.... Are now able to have their kitchen and garden waste collected by local! Plant fertilizer, you 'll need to avoid the problems that come with a few which... To produce one pod per day thereafter high in nitrogen, the extra boost from coffee grounds a! Retain water, which can be picked moisture retention, fungal overgrowth and even impair plant growth including roses... Improve the nutrient content slowly as they do, the acidity “goes” your... Christmas cactus twice a week with coffee enriched water other cases, grounds inhibit seed germination waste production and. Their local authority separately to the Horn of Plenty for 2014 is a potted coffee plant then! And put it on top of the soil and underneath the drainage holes grounds! About is whether you can always side-dress your plants that indoor plants is overwatering them on top the... Are just thrown away by most people caring for indoor plants is variable, unreliable tough. To allow your houseplants 20 parts carbon to 1 part of coffee ground act like a sponge, onto. And put it on top of the potting soil while transplanting and watch the plant thrive and in! To indoor plant soil can cause excessive moisture retention, fungal overgrowth and impair! The acidity “goes” in your plants plants are watered, the nutrients the. With other nutrient-rich material, such as organic food waste measure the ratio.. Grounds enhance sugar beet seed germination soil-like appearance and an earthy aroma before using it to slugs! When applied in a … coffee grounds climate conditions, and Smart garden Guide my...