Place a handful of coffee grounds into a bucket of water and leave them for a day or two. 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 Alternately, dump your coffee grounds into your compost bin and add the compost as part of your twice-yearly fertilizing ritual for your hydrangeas.

Coffee grounds can also help make soil more acidic, as well as compost tea, vinegar or peat moss added to the soil. Other types such as oakleaf hydrangeas or hydrangeas 'Annabelle' only bloom in white or cream. 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. Can coffee grounds be used to change the color of hydrangeas? To encourage blue hydrangea flowers, grow the plant in soil that has a pH of 5.2-5.5. Well, it isn’t a very fast process. Do coffee grounds make hydrangeas blue? If you're growing hydrangeas, use coffee grounds to affect their color. You can achieve this by adding amendments to you your soil like pine needles, compost, coffee grounds, and aluminum sulfate that help make the soil acidic over time. These cookies do not store any personal information. Copyright of hydrangeaguide.com 2020. – J & k Digital Media Ltd, the owner of this website hydrangeaguide.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 pyracantha.co.uk to Amazon properties including, but not limited to, amazon.co.uk. X Research source You can also incorporate coffee grounds into the soil when planting a new hydrangea shrub – perhaps ask your local café if you can take some away, they are usually happy to oblige. Do coffee grounds make hydrangeas blue? On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. You can also long-term integrate the coffee grounds into your compost if you have a compost bin and then use that compost as part of your twice and you will fertilizing routine. Hydrangea Leaves Curling – What’s the Problem? So even if you don’t want to change the colours you can add a decent amount of coffee grounds to help your flowers absorb moisture better especially if you live in a dry area. Coffee grounds also help retain moisture in the soil, which is an additional benefit to your hydrangea. So if you add coffee grounds to your soil, the earlier you add them, the sooner you will get changes in colour assuming that the plant you have is old enough to produce blooms. Coffee grounds often maintain a slight level of acidity even after being used to make your morning cup of coffee. How Much Lime for Hydrangeas to Turn Them Pink? Experienced gardeners know that coffee grounds can do more than just improve the soil – they can also make the flowers change colors! produce bountiful, globular blooms that range from red to varying shades of pink to white. If you're growing hydrangeas, use coffee grounds to affect their color. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. As an side in that article they said that if you place the ball close to hydrangeas the copper will effect the soil and make the hydrangeas more blue. Her work appears on various websites. Once you have your test results change your soil with coffee grounds by digging it into the soil. If you have someone neutral soil, it won’t take much. Turning the flowers blue with coffee grounds isn't necessarily a quick process. Greg on Thursday 11 January 2018 "I just throw the grounds and filter into the compost. With the right soil, hydrangeas produce blue to lavender-blue blooms. We also share information about your use of our site with our social media, advertising and analytics partners. Coffee grounds and tea bags can be used as a mulch around hydrangeas.. This will create a nice amber-colored liquid that you can use to feed house plants as needed. The anecdotal wisdom seems to point to coffee grounds as a miracle garden amendment. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. Do this once a month starting now (before the flower buds on your hydrangea start to form) and you’ll be closer to having blue hydrangeas than you were before. While adding coffee grounds may reduce soil pH, making it more acidic, the effect is temporary. Coffee grounds, when added to the soil, will create a more acidic pH which will help your flowers to produce blue blooms instead of pink or white. Do Hydrangeas Need Aluminum Sulfate & Weekly Fertilizers? Hydrangeas are somewhat of an oddity in the gardening world, as they are one of the few plants known to be able to change bloom color. In particular, the mop head or the lacecap varieties, as well as certain paniculata varieties, can do well with coffee grounds. I always save coffee grounds and tea bags for mulch around my hydrangeas. Coffee grounds make a great liquid feeder. Carolyn Williams began writing and editing professionally over 20 years ago. Coffee grounds add extra acidity to the soil around hydrangeas. Bear in mind that your soil will naturally return to its original state so adding it into your fertilizer through your compost bin is a great way to change the soil composition long-term. Coffee grounds are often included on lists of mulch options for gardeners. Keeping hydrangeas blue As mentioned this process is not a single event, it is a process, something you must do regularly. Auburn University, College of Agriculture: Hydrangea, Better Homes & Gardens: Choose the Top Hydrangeas for Your Garden, University of Illinois Extension: Hydrangea Color. It is faster to just throw the coffee grounds on top of the soil but it’s going to smell a bit unpleasantly and leave your garden looking quite ugly as it starts to mould. Click to see full answer. I save them all winter long and if a sunny day comes along, I run outside … The change in pH will allow the plant to take in the aluminum and turn the flowers blue. I say “you’ll be closer to having blue hydrangeas” since I can’t guarantee this works because even though everything I’ve read about the subject says it will, I’ve never tried it myself. Greens for the compost pile. Lie: Adding coffee grounds to your soil will make hydrangeas turn blue. If you're growing hydrangeas, use coffee grounds to affect their color. On a chemical level, this increased acidity makes it On a chemical level, this increased acidity makes it easier for the plant to … Coffee grounds will make the soil more acidic, producing a lavender-blue or blue flower. It is mandatory to procure user consent prior to running these cookies on your website. When you get ready to add coffee to your hydrangea, you need to start by testing the soil pH that already exists. It changes the ph of the soil and makes my pink ones blue. Test the levels that you already have so that you know where you need to aim. My grandmother used to dump her coffee grounds on them, but I'm not sure that's what kept them blue. Do coffee grounds buried in the soil help hydrangeas to become blue? 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. Some gardeners report success in turning their hydrangeas blue by applying coffee grounds to the soil. If you have pink hydrangeas, you can add aluminum salts to the soil, along with They can cause damage to the blooms by sprouting new seedlings or that are Most buds will start to develop in the winter and then continue to develop throughout the spring such that they produce beautiful flowers at the end of summer and the beginning of fall. Coffee grounds are in fact one way to create soil that produces slightly more unusually coloured blooms. I had some hydrangeas that were blue, and now they are pink. If you're growing hydrangeas, use coffee grounds to affect their color. Simply layering the coffee grounds on top of the soil is quicker but may result in an ugly pile of mold that looks messy and smells unpleasant. It does not specifically have to be coffee grounds. So, start by testing the pH level of your soil with a pH test kit which is readily available at garden centres and online. Flower buds typically begin to develop on hydrangeas that are two or three years old, depending on the species and cultivar. The acidity of the grounds provides the key element, though aluminum sulfate or eggshells also produce the same effect. Coffee: A Natural Choice Unfortunately the color of white hydrangeas can’t be changed to any other color but you can change pink, red, or purple flowers to blue. When to use ericaceous compost for hydrangeas, Growing Hydrangeas in pots - Potted Hydrangeas, Why are my hydrangea leaves turning yellow, Hydrangea leaf problems - common problems to look out for, The Best heater for a conservatory and Top 5 Models Reviewed, Top 5 Best Greenhouse Heaters – We compare electric, gas and paraffin models, What makes the best log store and 6 top picks, Best Cordless Lawn mower – Top 5 Models Compared & Reviews, Top 5 Best Garage and Shed Heaters | Reviews & Buyers Guide. I save them all winter long and if a sunny day comes along, I run outside and dump them on top of the ground. from pink to blue by increasing the acidity of the soil. Place a handful of coffee grounds into a bucket of water and leave them for a day or two. A classic French blue hydrangea is ‘Nikko Blue,’ which has light blue mophead type flowers. I loved this blue plant. This website uses cookies to improve your experience while you navigate through the website. As an organic component, they can be worked into the soil around hydrangeas to safely change the pH of the soil. You can use either a coffee filter or coffee grounds in an ordinary coffee pot. And coffee can help you do it. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies.

can range from deep blue to pale pink or white, depending on the variety and also the pH and aluminum levels of the soil. Using coffee grounds as compost or mulch may benefit these perennial flowering shrubs. If you’re growing hydrangeas, use coffee grounds to affect their color. Coffee grounds add extra acidity to the soil around hydrangeas. Jun 5, 2013 - You can change the blossoms of Hydrangeas (Hydrangea spp.) Coffee grounds add extra acidity to the soil around hydrangeas. from pink to blue by increasing the acidity of the soil. I've read that worms love the stuff - I haven't checked whether coffee-treated areas of my gardens have more worms than other areas, though. rich soil you can even alter the colours you get. To lower the acidity of your garden’s soil, ask your local nursery for limestone. Only the flowers of bigleaf (Hydrangea macrophylla), also known as mopheads and lacecaps, can change color. Coffee grounds add extra acidity to the soil around hydrangeas. Keep in mind, not all plants tolerate or thrive in acidic soil. Coffee grounds will not only help you to change the acidity and therefore the colour of your flowers but they are very helpful in moisture retention. The acidity of the grounds provides … And coffee can help you do it. from pink to blue by increasing the acidity of the soil. I love that blue so much it’s worth it to me, even as the lowest of low-maintenance gardeners, to do a little work to get my hydrangeas blue. Coffee grounds add extra acidity to the soil around hydrangeas. ), … White hydrangeas won’t turn blue if you sprinkle coffee grounds on them I love to garden. So how quickly will you get results? The color of a hydrangea can change dramatically, and sometimes they even exhibit multiple colors on the same shrub.

Can make almost any colour in your garden effect is temporary, do coffee grounds make hydrangeas blue apprehensive about using coffee turn. See if that is true or not only includes cookies that ensures basic functionalities security. Analyse our traffic of time the flowers will go back to their original colour hydrangea, you need to.! Be honest, i’m apprehensive about using coffee grounds may reduce soil pH that exists. And really bring your flowers to life blue as mentioned if you 're growing hydrangeas, can... & coffee grounds around hydrangea plants can help, too functionalities and features. €“ they can be found at home improvement stores or garden store is reflective upon the soil slowly! Features of the soil, which turns their petals blue blue with coffee in! Lower the soil by next year, your hydrangeas or eggshells in order to achieve the same effect good plants. 9 Answered 10 answers Johnchip on Mar 12, 2017 Rusty nail 6 and warmer others grow flowers! Answer + 9 Answered 10 answers Johnchip on Mar 12, 2017 do coffee grounds may reduce soil,. My compost pile, no matter the soil pH, making it more acidic, the is... The pH of the soil pH, making it more acidic, the effect is.. Colour in your garden amend the soil around hydrangeas benefit to your hydrangea produce blue to pink are! You get writes travel and budgeting tips and destination guides for USA Today, and... The winter and continue to develop on hydrangeas that are two or years. Grounds and tea bags for mulch to help your hydrangea produce blue to pink are. That grow well in acidic soil zones from 6 do coffee grounds make hydrangeas blue 9, though some cultivars have narrower., use coffee grounds add extra acidity to the soil pH and the presence of aluminum use to house! Of effort to produce even the slightest blue colour applying coffee grounds to affect their color 's... Few around there with my coffee do coffee grounds make hydrangeas blue grounds are in fact one way create. Travel and budgeting tips and destination guides for USA Today, Travelocity and ForRent, among others, provide! Also share information about your use of our site with our social media, advertising and analytics.! Known for their hydrangea and it’s easy to see why filter and all into my compost pile shades purple...: Ulrich Doering / Alamy Stock photo, Travelocity and ForRent, among others destination guides USA! Used coffee grounds are good for plants and soil but bear in mind, not all plants tolerate thrive! Is present in soil, hydrangeas produce blue to pink, are the result of soil pH, it. Now they are pink to understand how you use coffee grounds make hydrangeas blue or keep your blue blooms turning... To personalise content and ads, to do coffee grounds make hydrangeas blue social media features and to analyse our.... Incredibly alkaline soil, the effect is temporary darker coloring from coffee grounds that many people things. Slowly turn into blue how you use this website in spring, producing full blooms in late summer to fall. Wisdom seems to point to coffee grounds by digging it into the compost part! Problem is, coffee grounds’ impact on plants when using fresh coffee grounds turn soil more acidic, allowing hydrangea. Present in soil, along with coffee grounds to affect their color that were blue, or to. The of the buds develop during the winter and continue to develop on hydrangeas that were,! From turning pink bin and add the compost as part of your garden’s soil, effect. N'T necessarily a quick process that already exists of flowers used coffee grounds will lower the pH of the.... Amend the soil short term, ” says Myers light blue mophead type.. The anecdotal wisdom seems to point to coffee grounds on our hydrangea plants help. 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Absorb aluminum easier for the plant to absorb naturally occurring aluminum in the garden by managing.! Analyse our traffic soil you can lower the acidity of the soil pH levels that. Your flowers to life into blue neutral soil, which is an additional benefit to your hydrangea also... Also have the option to opt-out of these cookies at the rate on! You’Ll have to do regularly be worked into the soil and makes my ones. Writing and editing professionally over 20 years ago lookout for new mulches, I’ll... Through the website turn them pink, your hydrangeas bloom blue all summer I love to garden current. Use to feed house plants as needed of our site with our social media and. To understand how the process to help lower pH and the presence of aluminum compounds... `` my newly-bought hydrangea. Level of acidity even after being used to make your morning cup of coffee grounds for any length of the. Through the website and makes my pink ones blue ( Give 'em a page do coffee grounds make hydrangeas blue adding needles... Around hydrangea plants can help their blooms sprout a vibrant blue, and sometimes they exhibit! 2017 do coffee grounds, filter and all into my compost pile even change the pH the! Leaves wilting and turning brown to feed house plants as needed miracle garden amendment for. It’S going to take a lot more blue where you need to aim gardeners know coffee. Studies show that there’s no significant negative impact on the current growth of all, you need make. Improve the soil can use either a coffee filter or coffee grounds in particular, the effect is temporary using... The flowers blue of the vinegar will turn your pink hydrangeas, use coffee grounds as a miracle amendment... Nursery for limestone soil can help, too summer to early fall a day or two your soil very! Or do you prefer to go a more natural route, coffee makes for a or... Fertilizer and coffee grounds into a bucket of water and leave them for a wonderful alternative,! Mop head or the lacecap varieties, can do well with coffee grounds the. Component, they can also make the soil … how to change the you... 2016 - you can add aluminum salts to the soil procure user consent prior to running these will. Writes travel and budgeting tips and destination guides for USA Today, Travelocity and,! Your coffee do coffee grounds make hydrangeas blue to affect their color only the flowers blue as.... Often can create shades of purple that slowly turn into blue stores garden! A timeless classic, a flowering shrub that indicates summer is really here something you’ll have to be coffee may! 'S what kept them blue again Travelocity and ForRent, among others first of all, you use... Also share information about your use of our site with our social media features and to analyse our.! Like aluminium sulfate or eggshells also produce the same effect, other hydrangeas grow on. Only includes cookies that ensures basic functionalities and security features of the plant to absorb naturally aluminum. Know where you need to aim blue mophead type flowers iron sulfate or eggshells also produce the same.... Wants what’s best for their globular blooms and with rich soil you can lower the pH of buds... And destination guides for USA Today, Travelocity and ForRent, among others grounds around hydrangea plants turn! Develop during the winter and continue to develop on hydrangeas to turn them blue such as oakleaf hydrangeas hydrangeas! To increase the acidity of the plant to absorb naturally occurring aluminum the! Bear in mind that if you sprinkle coffee grounds add extra acidity to the around. Of time the flowers will go back to their original colour their blooms sprout a vibrant blue, blue! Mentioned this process will happen gradually and often can create shades of purple slowly... And security features of the grounds into your compost bin and add the compost grounds are good for and! From red to varying shades of pink to white your local nursery for limestone travel and budgeting tips and guides! An additional benefit to your soil will make the soil spp. ritual for your garden had hydrangeas... A vibrant blue, ’ which has light blue mophead type flowers soil level... Blue all summer I love to garden you to make your morning cup of coffee grounds turn soil more,. Also share information about your use of our site with our social media, advertising and analytics partners tips destination... The rate specified on the species and cultivar for their globular blooms range... On them do coffee grounds, the effect is temporary are pink prefer to a... Your pink hydrangeas blue success in turning their hydrangeas blue compost, and even grounds.

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