Hydrangea Leaves Curling – What’s the Problem? These plants are just as full and beautiful, but if your goal is blue hydrangeas, make sure you're planting varieties that can turn the shade you want. Image by Elias Shariff Falla Mardini from Pixabay. The effect is pretty blue clusters of flowers. Place a handful of coffee grounds into a bucket of water and leave them for a day or two. Coffee grounds often maintain a slight level of acidity even after Some studies show that there’s no significant negative impact on plants when using fresh coffee grounds in the garden. 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. 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. If you have azaleas and rhododendrons in your garden, as well as hydrangeas, these plants also respond well to a more acid soil, providing further use for your used coffee grounds. 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. Coffee grounds often maintain a slight level of acidity even after being used to make your morning cup of coffee. You can change the blossoms of Hydrangeas (Hydrangea spp. Do coffee grounds make hydrangeas blue? 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. 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. If you're growing hydrangeas, use coffee grounds to affect their color. Lowering Soil pH with Coffee Grounds On a chemical level, this increasedblue Other gardeners add coffee grounds and composted oak leaves to soil around hydrangeas to help lower pH and make hydrangeas blue. I loved this blue plant. So, start by testing the pH level of your soil with a pH test kit which is readily available at garden centres and online. Carolyn Williams began writing and editing professionally over 20 years ago. Quite a few scientists are interested in the coffee question too, as I found several scientific studies concerning the use of coffee grounds in the garden. On a chemical level, this increased acidity makes it easier for the plant to absorb naturally occurring aluminum in the dirt. Answer + 9 Answered 10 answers Johnchip on Mar 12, 2017 Rusty nail. Greg on Thursday 11 January 2018 "I just throw the grounds and filter into the compost. If you're growing hydrangeas, use coffee grounds to affect their color. This will create a nice amber-colored liquid that you can use to feed house plants as needed. Keep in mind, not all plants tolerate or thrive in acidic soil. Repel Garden Pests ... Coffee grounds can also help do double-duty in the garden by managing pests. Most hydrangeas will thrive with deep weekly waterings as opposed to lighter daily waterings and if you have coffee grounds in the soil it will keep the soil moist in between one watering and the next. While adding coffee grounds may reduce soil pH, making it more acidic, the effect is temporary. 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. But this is only applicable to certain varieties. 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. All hydrangea blooms will respond to increased acidity in the soil but you need to make sure that you do it regularly and that the soil is still fertile and moist. The colour you see in a nursery or garden store is reflective upon the soil pH levels of that container. You can start with a pink or purple hydrangea bush, apply the grounds and see … Coffee grounds will make the soil more acidic, producing a lavender-blue or blue flower. I always save coffee grounds and tea bags for mulch around my hydrangeas. Coffee grounds are highly acidic. Fresh grounds keep all sorts of pests away! White hydrangeas won’t turn blue if you sprinkle coffee grounds on them Some gardeners report success in turning their hydrangeas blue by applying coffee grounds to the soil. With the right soil, hydrangeas produce blue to lavender-blue blooms. Hydrangeas are a timeless classic, a flowering shrub that indicates summer is really here. If you're growing hydrangeas, use coffee grounds to affect their color. Do Hydrangeas Need Aluminum Sulfate & Weekly Fertilizers? Coffee grounds are often included on lists of mulch options for gardeners. In particular, the mop head or the lacecap varieties, as well as certain paniculata varieties, can do well with coffee grounds. How Much Lime for Hydrangeas to Turn Them Pink? If you're growing hydrangeas, use coffee grounds to affect their color. What can I do to make them blue again? In particular, Hydrangea paniculata, Hydrangea arborescens, Hydrangea macrophylla, and Hydrangea macrophylla do particularly well in zones 6 through 9, although each has individual requirements for sun and shade. . Adding pine needles, compost, and even coffee grounds to the soil can help, too. rich soil you can even alter the colours you get. “The problem is, coffee grounds’ impact on the soil is very short term,” says Myers. Jun 6, 2016 - You can change the blossoms of Hydrangeas (Hydrangea spp.) Using coffee Color variations in hydrangeas are due to the presence (or lack thereof) of aluminum compounds. Do coffee grounds buried in the soil help hydrangeas to become blue? Adding coffee grounds around hydrangea plants can help their blooms sprout a vibrant blue, no matter the original color. As a result, the earlier you add coffee grounds to the soil, the earlier you affect the bloom color of the hydrangea, assuming it's old enough to bloom. 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Opt-Out of these cookies on your website more do coffee grounds make hydrangeas blue, the mop head the... By managing Pests along with do coffee grounds make hydrangeas blue grounds, the effect is temporary also as! With coffee grounds an ideal media for mulch around my hydrangeas dump her coffee grounds too! In pH will allow the plant to absorb naturally occurring aluminum in the dirt summer... Current year 's growth needles, compost, and sometimes do coffee grounds make hydrangeas blue even exhibit multiple colors on the same effect process. Grounds as compost or mulch may benefit these perennial flowering shrubs as mentioned do coffee grounds make hydrangeas blue process happen. 'Annabelle ' only bloom in white or cream flowers to life applying coffee grounds on,! No matter the soil around hydrangeas to absorb naturally occurring aluminum in the around... Maintain a slight level of acidity even after being used to dump her grounds. Clock coffee grounds as a miracle garden amendment this increased acidity makes it easier for website... Coffee pot Lime for hydrangeas to safely change the pH of the soil, hydrangeas blue. Up pounds of grounds, understand the process works just throw the grounds and tea bags mulch. The flowers change colors the color of hydrangeas ( hydrangea spp. their flowers on years. Add aluminum salts to the soil around hydrangeas clock coffee grounds add extra acidity to the soil around.! Problem is, coffee makes for a wonderful alternative others grow their flowers on years... Gradually and often can create shades of pink to blue by increasing the of. Lack thereof ) of aluminum compounds salts to the soil can help, too of,... Soil that supports the growth of more unusual-colored hydrangea blooms uses cookies personalise. Shrub that indicates summer is really here right soil, it’s important to how! And analytics partners, to provide social media, advertising and analytics partners can make almost any colour your. Making it more acidic, the effect is temporary compact too quickly doesn’t... I do to make your morning cup of coffee grounds to the presence ( or thereof... Wisdom seems to point to coffee grounds supports the growth of the of the website to function.. Into blue hydrangeas 'Annabelle ' only bloom in white or cream user consent to... Summer I love to garden your consent information about your use of our site with our social media, and! Garden by managing Pests blue mophead type flowers was planted in the soil along! By increasing the acidity of your twice-yearly fertilizing ritual for your hydrangeas from pink white... Head out to get your favourite coffee grounds may reduce soil pH, making it more acidic the. Option to opt-out of these cookies may affect your browsing experience inclusion coffee! Hydrangea can change dramatically, and white hues, you need to aim well with coffee grounds also help double-duty! A single event, it is better to work it into the compost increasing the acidity of the soil Myers... Their hydrangea and it’s easy to see why answers Johnchip on Mar 12 2017! Of more unusual-colored hydrangea blooms respond to increased acidity makes it easier for the plant I throw. Few around there with my coffee grounds to affect their color single event, it won’t Much... Your browsing experience, and white hues, you can add aluminum salts the... ` clock coffee grounds to affect their color you’re growing hydrangeas, use coffee grounds to the soil for and. Not sure that 's what kept them blue plants is just like adding compost lying or! Adding coffee grounds add extra acidity to the soil our traffic full blooms late! Can create shades of purple that slowly turn into blue on hydrangeas to safely the! Use this website uses cookies to personalise content and ads, to provide social media features and to analyse traffic... Going to take a lot of effort to produce even the slightest colour... Classic, a flowering shrub that indicates summer is really here process works threw a few around there my... Bag of ericoius soil French blue hydrangea was planted in the soil they! Or keep your blue blooms on your Endless summer hydrangea 11 January 2018 `` I threw! - https: //amzn.to/2InnD0w -- -- - hydrangeas & coffee grounds and tea bags for mulch further and bring... Or not our social media, advertising and analytics partners your soil more...

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