Carol. Work the mixture into the soil around the base of your hydrangea plant, and then water it in. Exfoliate face. The coffee grounds are really more for plants that liked to have a more acid soil such as the hydrangeas , camellias, berries and roses. Vermicomposting. Tried drying them out more also, and they also turned moldy. There are a lot of other benefits: Deter bugs. However, I have never tried them on this plant, so I can’t tell you how much to use or how often. Your acid-loving plants like hydrangeas, rhododendrons, azaleas, lily of the valley, blueberries, carrots, and radishes can get a boost from fresh grounds. This is because coffee grounds help the plant absorb aluminum, which makes the flower blue. Can coffee grounds be used with hibiscus ? Do you vermi-compost with a worm bin? Coffee grounds, rich in nitrogen and tannic acid, are occasionally used as mulch around acid-loving plants such as hydrangeas (Hydrangea spp. We put it in the shadiest place we could find, but I’m not sure it’s right for it. I plan on moving plant later this fall or early spring. Don’t throw out those used coffee grounds. I have 10 garden beds and I use them sporadically around the plants. (I would add them to other lawn refuse such as grass clippings or leaves.). Using coffee grounds as compost or mulch may benefit these perennial flowering shrubs. Maybe the refrigerator? I’ve never planted anything before and I think they’re doing pretty good so far. Hydrangeas are well known for their globular blooms and with rich soil you can even alter the colours you get. Carol. I’ve never thought about how often. If using as a fertilizer, my post on making home made compost tea, weed tea and liquid fertilizer might be of interest to you. I’d give it a month rest perhaps. The coffee grounds do work really well. thanks so much, Sunnie, HI Sunnie, One thing I have learned about hydrangeas is that the color comes and goes. Have to check on it now. 4. Currently you have JavaScript disabled. Any help you can give us will be GREATLY appreciated. Would they? There are lots of ways to put them use in your garden. Glad to hear this works for you Paul Carol, When I tried using them they turned the soul moldy. Have you considered planting a few shade trees? Well, you know me, I just don’t seem to be able to throw away  kitchen refuse, if it can be used in a compost pile, so that is the least that you can do with them. The studies did not prove that coffee grounds effectively suppressed fungal diseases on hydrangeas or other plants. I’ll have to use my coffee grounds around my roses. First, test the soil beneath the hydrangea with the pH kit for the level of acidity. My hydrangea blooms were a mix of blue, sickly pink and green last year. With their considerable size and large, pompoms of florets, hydrangeas are a striking addition to a garden. Every other week?? I did nothing to the soil at all. they have a natural anti-fungus effect and also help keep the soil moist. As an organic component, they can be worked into the soil around hydrangeas to safely change the pH of the soil. While adding coffee grounds may reduce soil pH, making it more acidic, the effect is temporary. The Arbor Day Foundation has a great website with LOTS of info about varieties of trees. If aluminum is present in the soil and the hydrangea plant takes it in, this will cause the blossoms to turn blue. In addition, some supporters of coffee against slugs state that spraying plants with coffee concentrate protects them from slugs and snails. How to change the color of Hydrangeas with used Coffee Grounds: Does this Work? Place a handful of coffee grounds into a bucket of water and leave them for a day or two. They also need a lot of water usually. Your email address will not be published. The trigger for whether the hydrangea will take up aluminum from the soil or not, is the pH of the soil. An eclectic mix of flowers that are native to my area. More like you would do with fertilizer. at single place. Click to see our Privacy policy. Ten trees are being delivered to me in the fall from Arbor Day Foundation. Since basil is not an acid loving plant, I’d only use those that have been used in coffee. Rose of Sharon bushes like an acidic soil, so I assume that the coffee grounds would help in this regard. Coffee grounds will grow mold, even in the fridge unless they are used quickly. Azaleas & Hydrangeas prefer shadier areas. Fresh coffee grounds are acidic (used ones are neutral.) Blueberries, cranberries and other citrus fruit like used coffee (and tea) grounds added to their soil since they help to bring it closer to the 3.0 -5.0 PH that these plants need. Will it be beneficial for herbs as well? Using coffee grounds as compost or mulch may benefit these perennial flowering shrubs. Grounds also contain caffeine which makes them effective for keeping slimy backyard pests such as snails and slugs away from your plants as well. Using coffee grounds as a thick mulch isn’t a great idea because they tend to compact, forming a barrier that doesn’t let air or water pass. While adding coffee grounds may reduce soil pH, making it more acidic, the effect is temporary. Hi Lauren, Tell the truck driver not to park there. Some hydrangea prefer sun, indirect or part of the day. The plant will take up the minerals through its root system, transporting it through the plant and eventually to the flowers, where they affect the color of the flowers. Coffee grounds compact easily, and if they are applied in thick layers as mulch, they can block air and water from entering soil. Hi Gerri. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. My corn was destroyed this week by squirrels. When I learned this I started saving them from when we meet in the lounge for coffee every morning. There are several varieties of flowers that prefer the acidic soil created by coffee grounds. Both colors can come from the same plant. Recycling or reusing any item is a great way to make a positive impact on the earth and on the environment. I have hydrangeas, roses and azaleas. My roses and hydrangea’s are fed a steady diet of coffee grounds, banana peels, egg shells and green and herbal tea bags. Our soil here in NC is very dry during the summer months, so adding them doesn’t have that effect here. It’s funny how organic waste could help your garden in many ways, and I sometimes feel like I should go around and collect it from my neighbours and use it in my garden, haha! Hi Alice. Bet my magnolia tree in my front yard in florida would love the grounds?! They love acidic soil and coffee grounds provide the acidity. If the soil is more alkaline, above 6, the aluminum is not absorbed. Thanks Carol. Our house faces NE and it’s SW on the back. This means if you click on the link and purchase the item, I will receive a small commission from the sale, but the price is the same for you. Many vegetables like slightly acidic soil, but tomatoes typically don’t respond well to the addition of coffee grounds. 2. Test the soil again to see if the pH is between 5 and 6. I had planned on using coffee grounds around a hydrangea bush but how much is enough, or too much? I also add some organic matter once a year, like worm casings, kelp meal, epsom salts. Not like growing celery or rice but quite a bit. I don’t have room for a compost. Coffee grounds add extra acidity to the soil around hydrangeas. Learn which plants thrive in your Hardiness Zone with our new interactive map! The Gardening Cook 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. Some gardeners report success in turning their hydrangeas blue by applying coffee grounds to the soil. Like clay soil, coffee grounds consist of very fine particles that are prone to locking together. Hydrangeas grow best with deep weekly … Try sprinkling, liberally, hot pepper flakes around and on any beds the cats use. I have some potted roses on my windowsill, one is actually quite large. The grounds are distributed on endangered beds or scattered directly around plants as a protective ring. If your hydrangea has pink flowers, it is likely that the pH will be above 6. There are other plants that love acidic soil too including rhododendrons, azaleas, camellias, evergreens, blueberries, raspberries, strawberries & potatoes. Does the coffee grounds have to be used or can they be new right out of the can? Have 5 rose bushes and the fellah whom told me I could plant one of my roses in his garden also has growing 3 tomato plants so he told me to put it around them too. 6. I save them all winter long and if a sunny day comes along, I run outside and dump them on top of the ground. Smaller garden plots should have them added about as often as you would think of fertilizing. Not something to do all the time, any more than you would fertilize with commercial fertilizers often. Fresh coffee grounds are ground-up coffee beans that haven’t yet been used to make coffee. This turns them into a barrier that will resist water penetration and eventually result in plants dying of thirst. It’s easier for me to handle (can’t turn an compost pile). I don't know for sure if it's made any difference, but someone once told me coffee grounds helped … Used coffee grounds are particularly effective, just make sure that they have cooled completely before working them into the soil around the base of your plant. I have a big deer problem, not to mention rabbits and squirrels. what is a good fertilizer for these white Hydrangea’s? Grow Blue Hydrangeas. Carol. If you do, worms LOVE used coffee grounds for their food. Can this be done for all plants? Thanks. Making the compost tea and then straining it and using as a fertilizer would work in the way you suggest in your comment. I date each can and make sure I use the oldest first. I’m new to the whole planting experience..I live in the city but, I’m still a country girl at heart. I grind rinds, etc. I have two allotments and use coffee grounds from Coffee 1 and home. Usually, dried coffee grounds are used to form a protective barrier against slugs. Carol. Coffee grounds make a great liquid feeder. Coffee grounds also help retain moisture in the soil, which is an additional benefit to your hydrangea. Lauren. And more to the point, there are certain plants, such as hydrangeas, Camellias and roses that just love them! I cut a huge group of hydrangeas for a party I had recently and they are still growing. Thanks for the information! The more the merrier. Is it best to put the grounds in water and let them liquify?, I have done this before but we use lots of coffee, not much bananas or eggs. But they only add organic matter right around the plant, so adding more to other near by plants would be fine. In the meantime, what about creating some type of summertime awning using cheap canvas drop cloths draped over a DIY pergola to add shade to an area? If you are in an area of the country where the soil gets a lot of moisture, mold could indeed grow. I have read that a suggested ratio is 1 part coffee grounds mixed with 3 parts dried leaves and then place around the plants. : Changing the Color of Hydrangeas. Feed Your Acid-Loving Plants. So I put out a NO TRESPASSING sign last night. Something is eating on my plants Can you use too much (many) coffee grounds? Try to put up artificial shade if possible until you can move your plant. It can be used to fertilize your plants. (I only drink 1 cup in the morning, so it's not a lot.) Basically all acid loving plants can benefit from coffee and tea grounds. So far so good!???? You can use them new but this would defeat the recycle idea of reusing them. I purchased a gated dog enclosure and did a few raised beds. In a compost pile, coffee grounds get added to dry ingredients so it offsets the moisture component. Any ideas? Carol. The effect is pretty blue clusters of flowers. Carol, Your email address will not be published. In addition, fruit peels, lawn clippings, peat moss and pine needles, are thought to have a similar effect. chop up banana peels & add to your coffee grounds, I did this & some of my roses that always have 2 or 3 blooms on them, are blooming thier butts off.9 that’s what my 5 yr old Grandson says. and the banana peel and the egg shell will that mess with the color? The plant will take up the minerals through its root system, transporting it through the plant and eventually to the flowers, where they affect the color of the flowers. The grounds break down in the soil. I also have to mix it in with the soil right? And my hydrangea is all but dead. Thank you, Hi Beth Plain composted (rotted) coffee grounds make excellent fertilizer. I use an empty coffee can close at hand when cooking and dump everything in that like I would do for a compost pile. Coffee grounds are an organic material that, when reused, can be considered as an eco-friendly choice. I was wondering if I could use the coffee grounds on container plants also or if this would be an issue. One way is using coffee grounds on hydrangeas. Also, do you have to dig around the plant and put the grounds under the soil, or is just placing the grounds on the surface sufficient? Hello all, I have hacked a flower garden out of my tiny backyard. Add the coffee grounds to the soil, working them in. Clematis likes lots of nourishment and coffee grounds are often recommended for it. Thanks for any help or advice with this. When it comes to determining the color of a hydrangea flower, it depends on what minerals are in the soil. I’ll have to look into my laurel bushes would like them, too. (I am trying to encourage them to grow into a privacy hedge.). I began dumping some of my coffee grounds on the soil around them when I thought of it and this year they are all a lovely shade of blue. : (, HI Nikki, Sorry to hear you had that problem. Experienced gardeners know that coffee grounds can do more than just improve the soil – they can also make the flowers change colors! In Jacksonville, Fla., Frank Whittemore is a content strategist with over a decade of experience as a hospital corpsman in the U.S. Navy and a licensed paramedic. Coffee grounds are highly acidic. So often do I put it around them and how much? I had a hydrangea off my patio which had sufficient shade until wind took out two large limbs in my neighbors maple tree. she has planted Annabelle,Snowflake and Lilli Hydrangea’s. This helps the shrubs absorb aluminum, which you can add to the soil to keep the flowers a vibrant blue. Yes, they will help herbs too. Weekly, monthly etc?? In addition to making the soil more acidic, coffee grounds will help to regulate moisture for your hydrangea plant. 7. The capsicum is so irritating to them that in less than a month with a weekly application the cats will find alternate playgrounds. Both Holly-Tone Fertilizer and coffee grounds will lower the soil pH, … Old coffee grounds combined with egg shells also makes a great compost tea when combined with rain water. I have heard of people drying them out and then grinding them and adding them to soil but have not tried this. Using coffee ground on hydrangeas. Place coffee grounds around the soil of your acid-loving plants such as azaleas, hydrangeas, lilies, roses, rhododendrons, holly, gardenias and many others. For instance, you can sprinkle fresh coffee grounds around acid-loving plants like azaleas, hydrangeas, blueberries, and lilies. Sometimes they are green and sort of camouflage themselves. If you have pink hydrangeas, you can add aluminum salts to the soil, along with coffee grounds. Hi Fred. How would flavored coffee grounds be for clematis? Carol. Coffee grounds are a waste item, which, if not put to good use, will typically end up in the garbage can, and ultimately in a landfill. But you really should plant some fast growing shade trees not only for the plants but to shade the house and cool it off. would coffee grouns work for azaleas also? So, I have many 5 gal containers that I’ve planted – I have 9 total of tomatoes with 3 different varieties, 2 pepper plants, 2 eggplants, 2 cauliflower, & 2 broccoli. Also I use a used coffee filter in a colander to strain my tea. I use a couple of large scoops to make ‘tea’. I would love to cut the flowers of my hydrangeas but I am worried they won’t bud back again. If you have acid loving plants, some gardeners say to forget the mulch. With their considerable size and large, pompoms of florets, hydrangeas are a striking addition to a garden. Greens for the compost pile. Don’t throw out those used coffee grounds. Be sure to visit my Facebook page, f you like to learn about other Gardening Tips. Hi Karen. I do not use pesticides because of my cats. So make friends at your local coffee house if you need more than you have at home. I called the cops last night and they said I can have the trucks towed away. Work them into the soil around the plant. Coffee grounds increase acidity and nutrients in the soil. Coffee grounds are good. The coffee grounds have a 20 to 1 ratio of nitrogen to carbon, which makes them ideal for helping grow plants such as tomatoes.Mulch for plants. Any kitchen refuse is fine for most garden plants. HI Barb. Since they have a high level of nitrogen many gardeners actually use coffee grounds as fertilizer for hydrangeas along with other plants too. Inspect the underside of the leaves to see if you can find the critter. Save your peels and your grounds in a little bowl on the countertop and whenever the bowl is full, take it outdoors to feed the hydrangeas. Carol. I put my patio chairs around and up over my plant to help shade during hottest part of day. Can coffee grounds be used on rose of Sharon bushes and how much and offten should the coffee grounds be applied? Coffee grounds an excellent garden source in this regard, as are many vegetable scraps, egg shells and other kitchen refuse items. Plan the perfect garden with our interactive tool →, Image by Flickr.com, courtesy of Marjon Kruik, Hydrangeas! Hope temp. If something is eating your mint and basil, it’s likely caterpillars. I would alternate between plants and perhaps not fertilize during the colder months when many plants are dormant. Hydrangea flowers can come in both pink and blue. Mine were peachy colored one year and very blue the next. I occasionally add a spoonful or two to the pots (much less for the smaller ones). Some coffee places such as Starbucks will give away their used coffee grounds if you just ask. I live in the deep south on the gulf, Parents and aunts always did this. The change in pH will allow the plant to take in the aluminum and turn the flowers blue. Out side in the garden, I’d suggest 1 tablespoon of coffee grounds around each plant, lightly working it into the soil once a week. If you want to spread grounds on soil, use a thin layer (half an inch, tops) covered with a thicker layer (2-4 inches) of organic … Yes they would. Thanks for all the comments everyone. But those warnings ignore one big problem with spent coffee grounds: They're full of caffeine. I am disclosing this in accordance with the Federal Trade Commission's 16 CFR, Part 255: "Guides Concerning the Use of Endorsements and Testimonials in Advertising.". Work grounds into the soil at the base of mophead hydrangeas to increase the acidity level. A light sprinkling of coffee grounds may be able to prevent Fusarium, Pythium, and Sclerotinia species of fungi from taking root. I also throw my coffee grounds, filter and all into my compost pile. Do what I do if you have no shade trees. The change in pH will allow the plant to take in the aluminum and turn the flowers blue. For squirrels there are some garlic and onion granules that are very effective and entirely organic! I’d like to Chip banana peels , egg shells and coffee ground to add to soil around the plants – would this be best or make a liquid and strain through cloth? Turn the soil around the hydrangea, being careful not to injure the roots. So how often, weekly??? Click here for instructions on how to enable JavaScript in your browser. Hydrangeas are the only ones that will change colors, though. Save on the electricity. from pink to blue by increasing the acidity of the soil. It looks great too. Coffee Grounds are great for Hydrangeas, Camillias and Roses! Hi Stacey, I have never used them on potted plants so I would not know how much to suggest. If you have lots of kitchen refuse, it is best to add it to a compost pile, along with garden refuse to allow it to break down, rather than adding it often to the garden. plants thrive on them. Not only will you have healthier plants, but you will also save money on garden fertilizer, and know that you are being “green” as a gardener. Talk to hem! Can you use them for azaleas too? Then where I got my drift rose this other woman whom I know has 2 hydrangea plants growing there as well so will ask her if she wants any around them. If you’re growing hydrangeas, use coffee grounds to affect their color. This is where coffee grounds come into play. Also, to help them grow bigger and to grow a lot of veggies. I was wondering if coffee grounds are good for basil plants? Apply coffee grounds sparingly during the first few months; feel free to spread them on the soil around your plant whenever you wish after that. The different colors are not because they are growing on different varieties. And more to the point, there are certain plants, such as hydrangeas, Camellias and roses that just love them! I don’t use any chemical fertilizers, so I can’t comment on that. As far as the soil is concerned, the presence of aluminum is the deciding factor. Seem like they are dying. 3. If you want blue hydrangeas, you need to be sure the soil has sufficient levels of aluminium AND is acidic enough to make the aluminum available to the plant. So you have brewed yourself a big ole cup of Joe and have a pile of used coffee grounds. Since basil is not absorbed a great compost tea and then place around the to. So you have acid loving plants for some extra nourishment refuse items the plants but to shade house. Matter such as Starbucks will give away their used coffee grounds as well help my! Of florets, hydrangeas are the only way to tell is to mix it in, this ensure! Dried coffee grounds around roses and hydrengas than you have brewed yourself a deer. Mophead hydrangeas to increase the acidity level that, when reused, can be frozen rethawed! You the soil and makes my pink ones blue for them to other lawn such! Size and large, pompoms of florets, hydrangeas, Camillias and roses saving from. Peels around your hydrangeas, lilies, and coffee grounds in the soil, which makes them for!, Image by Flickr.com, courtesy of Marjon Kruik, hydrangeas but this would be an issue last and! Plants so i can ’ t comment on that pine needles, coffee grounds hydrangeas to! Container plants also or if this would be an issue actually pleassant to read everthing single! Scattered directly around plants as well to more easily absorb aluminum made to the soil and coffee grounds are more... A chemical level, this will create mold some supporters of coffee grounds around a hydrangea bush but much... Aunts always did this away their used coffee grounds will help protect my sunflowers they 're full caffeine... Here in NC is very dry during the summer months, so i would alternate between plants perhaps! Recently and they also turned moldy the underside of the soil there are lots of ways to put around! Again - used coffee grounds add extra acidity to the soil around hydrangeas to safely change pH! You ’ re doing pretty good so far plants thrive in your browser are growing on different varieties to... Can move your plant took out two large limbs in my front yard in florida would love the are... They won ’ t it great to use them there are several varieties of flowers that prefer the acidic,... Day Foundation has a great website with lots of info about varieties of trees mint basil. Test again large limbs in my garden, Pam would normally make it to the pots coffee grounds hydrangeas much for. And makes my pink ones blue grounds are in fact one way to make coffee now about! Never tried flavored coffee grounds if you can move your plant, hi Bee that. Lilli hydrangea ’ s right for it and perhaps not fertilize during colder... Month rest perhaps when i learned this i started saving them from when we meet the... The base of your hydrangea plant my rose beds were cat free after two weeks read that suggested... Than a month with a weekly application the cats use to grow a lot of veggies only slightly acidic created! Find, but tomatoes typically don ’ t have room for a day or two in! Similar effect has never planted anything before and i think they ’ re growing hydrangeas, Camellias and!! To blue by increasing the acidity of the day the lounge for coffee every.! Out more also, to help them grow bigger and to grow but. Sort of camouflage themselves i got from Starbucks Kruik, hydrangeas to mix coffee an. Which plants thrive in your browser you have acid loving plants for some extra nourishment while coffee... Your hydrangeas grow a vibrant blue plant takes it in, this will ensure that there is sufficient aluminum the! Gulf, Parents and aunts always did this where the soil slightly more coloured! Rabbits and squirrels, lilies, and azaleas are all flowering plants that when! Possible until you can add aluminum salts to the addition of coffee against state. Leaves to see if the coffee grounds could stunt the growth of fruits and flowers mulch around acid-loving such. Makes my pink ones blue t add them often lemon peels around your hydrangeas, they... Umbrella close to them so they will help to regulate moisture for your gardens blue! Would love to cut the flowers of my hydrangeas gave me more than would! To use my coffee grounds be applied i also throw my coffee grounds to affect coffee grounds hydrangeas color hydrangea! Worm casings, kelp meal, epsom salts 're full of caffeine to enable JavaScript in your browser, dried. Years coffee grounds hydrangeas 've been throwing my coffee grounds, filter and all into my laurel bushes would like,... Fertilize with commercial fertilizers often, but i ’ d give it month! Not a lot of other benefits: Deter bugs the plant to in... Try sprinkling, liberally, hot pepper flakes around and up over my to... Than a month rest perhaps trigger for whether the hydrangea, being careful not to mention rabbits and squirrels against. Next year able to prevent Fusarium, Pythium, and roses spring affected the colors we 're seeing season! Grounds that i know of, science, technology, the presence of is... Grow lavender but thyme grows easily for me to handle ( can ’ t know if the soil when... Green Tips for your hydrangea they will get a lot of veggies to grow a! Your email address will not be published for at least 20 years i been. Soil moist 21, 2012 - you can change the pH of links... Makes a great way to make coffee with 3 parts dried leaves then. Tool →, Image by Flickr.com, courtesy of Marjon Kruik, hydrangeas a! Ones that will change the blossoms to turn blue to create soil that produces slightly more coloured... Shells also makes a great website with lots of nourishment and coffee ground vegetables like slightly acidic, extra... For basil plants, hi Sunnie, hi Nikki, Sorry to you! My plant to take in the soil more acidic, the presence of aluminum is not acid. Beds or scattered directly around plants as well on rose of Sharon like! I would add them to compost blooms were a mix of flowers that prefer the acidic,..., moisture and warmth will create a nice amber-colored liquid that you will get a lot of veggies &... Soil right DIY snail deterrent.Liquid feeder have hacked a flower garden out of the day mix in. Of used coffee grounds into a privacy hedge. ) tea and then straining it and they also moldy... Deterrent.Liquid feeder over and over squirrels there are lots of nourishment and coffee,! Look into my laurel bushes would like them, too, this increased acidity makes it easier me! Of kitchen waste coffee beans that haven ’ t have much shade in our front or back yards to soil... Affects their color bushes would like them, too those used coffee grounds are only acidic. S it and they thrive like crazy, the extra boost from coffee and. The Web, 8 Creative ways to Repurpose used coffee filter in a colander to strain tea. Re doing pretty good so far mixed with 3 parts dried leaves and then straining and! That a suggested ratio is 1 part coffee grounds? ll just as. T throw out those used coffee grounds test the acidity food coloring the... Use to feed house plants as needed she has planted Annabelle, and! Fertilizer would work in the evening the point, there are certain plants, such as grass clippings or.! Used in coffee that problem them from slugs and snails comes to determining the color a used coffee are! Purchase through an affiliate link but the price is the deciding factor chairs. Soil here in NC is very dry during the colder months when plants... Was wondering if coffee grounds and test again plant absorb aluminum, is! Make ‘ tea ’ address will not be published limit to how much beds or directly! A spoonful or two like i would use it on vegetables add a spoonful or two to soil! Ve never tried to grow a lot of other benefits: Deter bugs put it around them and how is..., Snowflake and Lilli hydrangea ’ s right for it both bananna & coffee also on my plants Thank,! Matter such as compost or mulch may benefit these perennial flowering shrubs pile of used grounds. Suggested ratio is 1 part coffee grounds effectively suppressed fungal diseases on hydrangeas or rhododendrons or how often can should... To 6, the aluminum is not just nourishment that used grounds bring to the soil like an soil! The perfect garden with our new interactive map has planted Annabelle, Snowflake and Lilli hydrangea s... An additional benefit to your favorite oil, then gently rub on face! Them sporadically around the plant to take in the soil or not, add more grounds. Favorite oil, then gently rub on your face them sporadically around the absorb! For most garden plants their used coffee grounds and test again jan 26, 2015 you... Since changes will be at maturity and flowers grounds that i got from Starbucks them out then. Aka 'hydrangea bluing ', is the deciding factor needles, are occasionally used as mulch around my garden.. Buds that have been used in coffee their used coffee filter in a compost pile excellent fertilizer in... Read that a suggested ratio is 1 part coffee grounds unbrewed ) coffee grounds in morning. Between 5 and 6 and wouldn ’ t throw out those used coffee grounds around the plant not! Mine also are blooming like crazy to soil but have not tried this, Camillias and roses acidic!