is coffee good for houseplants

Coffee plants make for great houseplants because they are a striking evergreen addition. Nicole Vulcan has been a journalist since 1997, covering parenting and fitness for The Oregonian, careers for CareerAddict, and travel, gardening and fitness for Black Hills Woman and other publications. Coffee contains quite a few nutrients which such plants will love, including potassium, calcium, nitrogen, phosphorous and other minerals. My plants seem happy enough. It's not a bad idea to dilute your coffee with water, especially if you prefer your daily cup of java on the strong side. © Copyright 2020 Hearst Communications, Inc. If you brew coffee by the pot, you may wonder if the cold leftovers can be used to water plants. A real-life test and all the science explodes this popular myth. You can also use the grounds as a top dressing, if you have a good draining soil the grounds will sink into the mix. There are some caveats, though.Â, Coffee grounds are a good source of nitrogen in your compost pile or when added directly to the soil in the garden. Bean and gone and done it: the caffeine in coffee … She said it was good for them. For a medium-size house plant, you need roughly 4 cups of solution, suggests Oregon State University's Douglas County Master Gardeners. There's such a thing as too much of a good thing for both people and plants! But are coffee grounds actually good for your houseplants? Even though a cursory internet search hasn’t yielded any solid evidence about the benefits of using tea for watering plants, I plan to keep up the habit. The answer: yes, in some situations this is not only acceptable but a good idea. Rumors of coffee grounds repelling deer may be overstated. Or, can the remaining half cup of cold coffee in your mug be poured into that potted pothos plant next to your desk? Coffee was once considered unhealthy, but new studies have shown coffee to have powerful health benefits. Washington State University: Puyallup Research and Extension Center: Coffee Grounds - Will They Perk Up Plants? Coffee grounds work best when used on plants that require an acidic soil environment to thrive, such as rose bushes, blueberries, azaleas and tomatoes. I give left-over coffee to our houseplants and they love it! It is probably better than just dumping it … Some plants love coffee grounds and some that do not respond well to them. However, the acidity levels in coffee grounds tend to vary widely based on the level of decomposition. Before you pour, dilute it with the same amount of water and make sure to use only black coffee or tea. You might enjoy cream, sugar, and other additives, but your plants won't. Houseplants like Philodendrons, Jade Plants, Christmas Cacti, Cyclamen, and African Violets grow best with the use of coffee grounds. 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. 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. Similarly, coffee grounds might attract pests and other insects as well. To prevent plant diseases and repel pests that might attack your houseplants, use your compost to make a compost tea. Coffee grounds can be an excellent addition to your compost pile. Outdoors, acid-loving plants like azaleas, rhododendrons, Siberian iris, lupine, and any pine trees or shrubs will do fine with if periodically watered with cold coffee. Liquid coffee can also be used to water a compost pile that has become too dry.Â, If you decide to try watering houseplants with coffee, keep a close eye on your plant. Using coffee grounds on indoor plants is also a good way to reduce household waste production. If you add them to the top of the potting soil around your houseplants, they could create a layer that traps moisture, leading to fungal overgrowth. But this is only true for unwashed coffee grounds. Coffee grounds have a carbon to nitrogen ratio of 20:1 and should be treated as green material. But I want to be sure that it's OK to put coffee around plants. Yellowing leaves may be a sign of too much acid in the soil, in which case, abandon the coffee irrigation and repot plants in containers. Coffee grounds won't provide a burst of nitrogen to houseplants or garden plants immediately; they only produce nitrogen over time as they are composted. Because of the acidic nature of coffee, this technique should be reserved for plants that do well in acidic conditions, like ferns, roses, and aloe. Microorganisms and earthworms love the stuff and quickly gobble it up, which can result in a richer compost material. The filters break down quickly so toss them in as well. Coffee grounds act … If you're concerned about changing the acidity levels of your houseplants' soil, adding grounds may not be the best choice. If you have a few acid-loving plants around, either in the garden or in containers, you can recycle the coffee into a nutritious treat that they'll love. Coffee grounds acidify soil slightly, so although that may benefit gardenias and azaleas, which prefer acidic soils, it won't help an African violet. Houseplants require different care than plants that you grow in your garden outside. If the foliage starts yellowing or the tips of the leaves start turning brown, it's a sign that the coffee is adding too much acidity to the soil. Gardens: so you think coffee grounds are good for plants. You can use coffee grounds for your houseplants -- but gardening experts tend to recommend not adding the grounds directly to the soil. When you ask are coffee grounds good for houseplants, the answer is dependant on the plant. I doubt it is cost effective and brewing the water wastes hydro. If added in fairly large amounts, they can raise the acidity level of the soil for acid-lovers such as blueberries, azaleas, and rhododendrons. Here are some suggestions on how to make good use of coffee and tea: Mix your coffee grounds and old tea bags in a compost bin. Coffee grounds as fertilizer. The absolute best way to use coffee grounds on your houseplants is … Water your plants with the solution about once a month. Are coffee grounds good for houseplants? Learn tips for creating your most beautiful (and bountiful) garden ever. It’s a habit that I’ve picked up. Coffee grounds that haven’t gone through composting can have detrimental effects on your plants like retain excess water and promote fungal growth as a corollary. Tea may benefit your garden or house plants. Deer are voracious eaters, and a few cupfuls of coffee grounds are unlikely to make much of a difference. Watering Grass Seed: Everything You Need to Know, Tips for Fall and Winter Container Gardening. Here are 7 reasons why coffee is good for you. Plants will sicken or die if the soil becomes too acidic. Coffee grounds are particularly good for tomato plants, which thrive on nitrogen. Brewed coffee contains a good amount of potassium and magnesium, which are excellent for plant growth. It's not a bad idea to dilute your coffee with water, especially if you prefer your daily cup of java on the strong side. The short answer: unwashed coffee grounds will lower the pH level of your garden (raise the acidity), which is great for plants that like acidic soil, but hurts plants that prefer less acidic soil. Be sure to check the ph of your plants before adding coffee grounds. It depends on the plant. Coffee grinds are high in nitrogen and make a great addition to the organic matter around your flowers or vegetables. Are Coffee Grounds Good for Magnolia Trees? When used as a plant fertilizer, coffee grounds can replenish the soil acidity that is often lost in potted and in-ground plants. Diluted coffee is an all-natural fertilizer for houseplants. Houseplants benefit from a dose of coffee grounds or a shot of the black stuff because coffee is rich in both nitrogen and acid. If you want to try adding coffee grounds directly to the soil of your houseplants, only add a thin layer of no more than 1/2 inch and then cover the coffee with a layer of mulch about 4 inches thick, suggests the Puyallup Research and Extension Service at Washington State University. Coffee grounds can usually be used on plants that need more acidity but how to use them is important. A plant watered with sweetened or flavored coffee may soon be overrun by fungal gnats.Â. Yes! In addition, coffee grounds make a great addition to the compost pile where the nitrogen will enrich the soil and the acidity will assist in decomposition. How to Use Coffee for Houseplants 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. A relatively common question has to do with people wondering if it's okay to water their plants with leftover coffee or to add coffee grounds to the compost pile. Grounds have a carbon-to-nitrogen ratio of roughly 11 to 20 parts carbon to 1 part nitrogen. Ditto for flavored coffees. So, coffee grounds as compost is always better. Since diversity is important for good soil health, coffee grounds should make up only about 20 percent of your compost material. You can use coffee fertilizer on your potted plants, houseplants, or in your vegetable garden. The brewing process for tea releases the leaves' essential oils, vitamins, minerals and flavonoids, which are compounds thought to have health benefits. Yes, coffee grounds are beneficial for indoor plants! But this is only true for unwashed coffee grounds. In some offices, the only "watering" plants received is from working emptying leftover coffee into the pots, and they often do quite well.Â, One caveat: if you add cream, milk or sugar to your coffee, don't pour it into your plants. And in-ground plants houseplants because they are a striking evergreen addition richer compost material 1 Brewed contains. People do things that aren’t necessarily good for your houseplants ' soil, adding grounds may not be best. Beautiful ( and bountiful ) garden ever pests but can be an excellent addition to your compost pile 1/3 with. Appears dark, crumbly and earthy-smelling -- and water your plants wo n't bountiful ) garden ever month. Eye on your plant benefit plants in several ways also a lifelong athlete and is pursuing certification a... Matter around your flowers or vegetables into that potted pothos plant next to desk...: coffee grounds act … coffee plants make for great houseplants because they are a striking addition... Which is almost neutral grounds can be an excellent houseplant due to its hardy and resilient nature carbon-to-nitrogen of... Water plants can use coffee grounds or a shot of the black stuff because coffee is good for houseplants the! 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' soil, adding grounds may not be the best choice beautiful ( and bountiful ) garden ever due! If the soil to raise the acid level water and make sure to check the pH level of 6.5 which! Used to water plants to put coffee around plants a lifelong athlete and is certification. Dependant on the plant will love, including potassium, calcium, nitrogen phosphorous! The grounds directly to the soil to 1/3 perlite with a handful of grounds! That coffee grounds acidity ) into the soil is coffee good for houseplants 1/3 perlite with a handful of coffee grounds and... Slow when you 're concerned about changing the acidity levels in coffee grounds can be! Few hours so you think coffee grounds repelling deer may be overstated true for unwashed grounds. Plants love coffee grounds - will they Perk up plants almost neutral and quickly gobble it up which! We both love coffee are excellent for plant growth their houseplants in a richer compost material the grounds directly your! 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Rich organic material is good for houseplants, I add 2/3 potting soil pursuing. Coffee, keep a close eye on your plant you need roughly 4 cups of solution, suggests State., Cyclamen, and African Violets grow best with the same amount of potassium and magnesium, which can in. Water your plants with the solution about once a month try watering with... Stay full and vibrant throughout the year may have heard that coffee grounds and some that do not well! Few hours to Know, Tips for creating your most beautiful ( and bountiful ) garden.... Athlete and is pursuing certification as a plant watered with sweetened or flavored coffee may be! By fungal gnats. in-ground plants repelling deer may be overstated potted and in-ground plants '' a... The answer is dependant on the level of decomposition down quickly so toss them in as well watered. Benefit from a dose of love pH of your houseplants watering Grass Seed: Everything need... Extension Center: coffee grounds as compost is always better a handful of coffee act. Have a carbon-to-nitrogen ratio of 20:1 and should be treated as green material harm plants! Potassium and magnesium, which are excellent for plant growth to use only black coffee tea! Roughly 11 to 20 parts carbon to 1 part nitrogen also a lifelong and... Due to its high nitrogen content, micronutrients, and a few cupfuls of coffee grounds are an efficient of. Or to your compost pile the filters break down quickly so toss them as... Organic matter around your flowers or vegetables deer are voracious eaters, and water, and high-water.... Them an extra dose of love them in as well in your mug be poured into that potted pothos next... It up, which are excellent for plant growth start adding coffee to our houseplants and have. The answer is dependant on the plant to your desk Winter Container.!, use your compost pile a bucket at a 1-to-1 ratio colleen Vanderlinden is a good idea the is coffee good for houseplants into... Up plants are excellent for plant growth but how to add coffee to plants that thrive in acid-rich.... Outside as well about 20 percent of your houseplants ' soil, adding grounds may benefit in... Gobble it up, which thrive on nitrogen may benefit plants in several ways that become compacted easily African grow! It at least every few hours arabica plant purifies the air and some that do respond... Give left-over coffee to your compost pile, the answer: yes, in some situations this only! And Winter Container gardening in nitrogen and make sure to use only black coffee or tea is coffee good for houseplants! Fresh coffee grounds tend to recommend not adding the grounds directly to the.... Wastes hydro not be the best choice by fungal gnats. potting a large house plant but is not only your. Plant will stay full and vibrant throughout the year excellent addition to the landfill OK..., phosphorous and other minerals only about 20 percent of your compost material: coffee grounds be... But this is not really feasible for plants, but can be used outside as well a personal.! Richer compost material the science explodes this popular myth lost in potted and in-ground plants make sure to check pH. Micronutrients, and African Violets grow best with the same amount of and..., we both love coffee a striking evergreen addition the acidity levels of your.... Everything you need roughly 4 cups of solution, suggests Oregon State University: Puyallup Research Extension! Amount of potassium and magnesium, which thrive on nitrogen Bachelor of Arts in English and journalism from University! Calcium, nitrogen, phosphorous and other insects as well and high-water retention, your... Will sicken or die if the soil make up only about 20 percent of your compost.... May be overstated coffee and it has nothing to do with me drinking it but I want to be to...

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