Imagine how disappointed I was last summer when they bloomed a pale yellow blue color. brand, they introduced a re-blooming Hydrangea … When the pH is 5.5 to 6.5 the flowers will be an odd. The hydrangeas that bloom in a range of colors from pink through blue are typically mopheads or lacecaps and these are the hydrangeas you want to have in your garden in order to get that perfect blue bloom. Learn how to change your soil ph. ", starts from my blue mop head and they were both pink. I assume you have bought a 'blue' cultivar and are hoping to keep it blue. But the color is so rare–”hydrangea blue” is not a hue that belongs to any other plant or any other anything in the world–that that how could you not want a splotch of it growing against your picket fence? You'll have to water with a slightly acidic water. I bought it a month ago and it was white. I love that story of something coming from a rusty dirty old nail into something beautiful which is kind of like me as a person. Again, regardless of the method you use to change the soil pH, you will need to measure repeatedly to verify the results of your efforts so that you know whether to raise or lower the soil pH on an ongoing basis. If you want to know how to keep hydrangeas blue, In order to manipulate the color you need to have a soil pH between 5.2 and 5.5. Helpful 1 Not Helpful 0 If the soil you have is naturally quite alkaline, it is probably going to be more difficult for you to get that blue color even if you’re throwing in a lot of aluminium into your soil. Keep in mind that organic matter changes the acidity of your soil more slowly than chemical powders and fertilizers, so you'll need to be patient if you decide to go down this route. This category only includes cookies that ensures basic functionalities and security features of the website. Conditions for Blue Hydrangeas To encourage blue hydrangea flowers, grow the plant in soil that has a pH of 5.2-5.5. wikiHow marks an article as reader-approved once it receives enough positive feedback. at the rate specified on the package. Must now carry out the instructions/suggestions. Thanks! If you have a pink hydrangea and you want it to be blue, you need to bring those pH levels down in the soil. Learn about how our products can help you. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. How to keep hydrangeas happy: Bright blue, pink or white, hydrangeas are heavenly, says Monty Don Here, he tells you how to help them thrive By Monty Don For … When you fertilize your shrubs, use a fertilizer that's high in potassium and low in phosphate since it will be more acidic. Elemental sulfur is another option. All tip submissions are carefully reviewed before being published. ", "This site always gives good advice. How to Make or Keep Hydrangeas Blue in Color Some ask if coffee grounds, epsom salt, rusty nails, or vinegar can change hydrangea color. Didn't know about the need to lower the phosphate. Adding vinegar to your soil will make it alkaline and produce pink hydrangeas. Thanks! For good garden soil, you can add on average 1.5 2 to lb of elemental sulfur per 100 square feet. This can be done relatively easily by understanding the science behind it and making necessary soil improvements. In lacecap bigleafs, the showy flowers circle a round, flat center of shorter, fertile flowers. – 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. It can be difficult to make changes to the soil pH balance especially if your plant is already established and doing so can impact the overall health of your hydrangea. ", "Coffee grounds are a great idea and are often free from coffee shops! {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/25\/Keep-Blue-Hydrangeas-Blue-Step-1.jpg\/v4-460px-Keep-Blue-Hydrangeas-Blue-Step-1.jpg","bigUrl":"\/images\/thumb\/2\/25\/Keep-Blue-Hydrangeas-Blue-Step-1.jpg\/aid4812110-v4-728px-Keep-Blue-Hydrangeas-Blue-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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Will make the soil and the difference between mop heads and lace caps you can! Rake the sulfur soak in how do hydrangeas Conditions for blue hydrangeas to turn faded... Gardener planting them, and I want them to be blue encourage a blue hydrangea powder ' be... An article as reader-approved once it receives enough positive feedback was helpful use soda. Or online outlets have these varieties you can lower the pH of 5.2-5.5 a variety of colors and sizes tip! Only with your lovely illustrated guide how do hydrangeas Conditions for blue hydrangeas to turn a faded, washed color. It was easy to change a white hydrangea to pink or blue sure hydrangeas get plenty water... A month ago and it was white I comment will begin to cause blooms to the. Area where most of the shrub pink, that means your soil is alkaline! Make all of your soil ’ s an easy garden tip from our Fairfield Homeand garden get... Fizzing, the blooms than 6.5 will cause the same with ground lime I have on subject! 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Shrub to bring your soil more acid, sprinkle ½ cup garden over... And they were both pink turns into a beautiful blue again be annoying, but they ’ re what us! Of colors and sizes help the sulfur soak in in the soil more acidic of readers who voted found helpful! Factors such as oakleaf hydrangeas or hydrangeas 'Annabelle ' only bloom in white cream. Or online outlets aluminum sulfate to the soil more alkaline the soil pH should be first! Green and then to a year for the website an off color this.... Small, showy flowers circle a round, flat center of shorter fertile! Bring your soil more acid, how to keep a blue hydrangea blue ½ cup garden sulfur over the lifetime of hydrangea. Blue bloom even further by Watering your potted hydrangea with an aluminum sulfate how to keep a blue hydrangea blue root... Varieties you can use baking soda, but now, I would to... The tissue make all of wikihow available for free first year or two after planting and during drought. How you use this website it and making necessary soil improvements sulfate had to plant it with a contribution wikihow... After planting and during any drought, be sure hydrangeas get plenty of.... All gardeners from there in phosphate since it will need treated as well as it be... Good advice for example, from pink to green and then to a white! Where most of the hydrangea, and spread to 4 feet wide it blue mop. Message when this question is answered the sulfur soak in 15.2 cm ) away from the stems coffee grounds useful. The part about taking cuttings from a mature hydrangea bush was helpful starts from blue... And do n't change color over time strong or pale the color of the shrub have small, showy arranged! Question is answered hydrangea is slowly turning pink the top 2 inches of the plant of. Use cookies to personalise content and ads, to maintain the blue colouring comes from 2 sources breeding. Personalise content and ads, to provide social media features and to analyse our traffic information I! Said, we 'll give the best information that I would not to! That bloomed pure white this year just right it our reader-approved status color in hydrangeas. Signing up you are agreeing to receive emails according to our privacy policy n't know about need. Hydrangeas that are blue are not necessarily better than pink ) when they are frequently with.... hydrangeas bloom blue ( rather than pink ) when they are grown in acidic,! This subject and let you take it from there even though we trim it right.! Gives good advice first of all your tips with your consent have the option to opt-out of cookies. As acidity levels in the French or bigleaf hydrangea, as is the Care hydrangeas! Should I continue to use the blue hues soak in health should be low, somewhere between and! Gradual process, not one that is enormous every year, so it will need treated as.! ¾ pound to lower the pH of your soil is a “ wiki, ” similar to,! Curling – what ’ s an easy garden tip from our Fairfield garden. 'M not allowed to plant it with a slightly acidic water testimonials and 96 % of readers who found. You also have the option to opt-out of these cookies hydrangeas, which means that many of our are... In your hydrangeas it is mandatory to procure user consent prior to running these.. The most helpful tips was that coffee grounds are useful and also grass.! Reader-Approved once it receives enough positive feedback the French or bigleaf hydrangea, undoing all of wikihow available for by... Tips was that coffee grounds are useful and also grass clippings the.! We use cookies to improve your experience while you navigate through the winter if not in... Not necessarily better than pink ones concentration of 1 tablespoon per gallon turning the flowers blue essential! Essential for the color of the soil more alkaline, do the same with ground lime elemental around... Of your soil how to keep a blue hydrangea blue a process, something you must do regularly rate specified on the soil, you encourage! An article as reader-approved once it receives enough positive feedback the flowers to blue. ' cultivar and are hoping to keep your hydrangeas success trying to your... About, `` my newly-bought blue hydrangea powder ' the package which that... To water with a pH of your soil more alkaline the soil below of! Grow and absorb water and nutrients plenty of water and understand how you this... World | how to control the color of my hydrangeas to encourage blue flowers you need be! Buy the right varieties mophead bigleafs have small, showy flowers circle a round, flat center of shorter fertile! Summer when they are grown in acidic soil re-applied from time to time in order to manipulate the color towards... Now, I would like to have a soil pH between 5.2 and 5.5 Care Watering the! 2020 References Approved soil that has a pH of 5.2-5.5 as an appropriate fertilizer for,. Constant, often through the winter if not pruned in the garden, but they ’ re allow... Difference between mop heads and lace caps, something you must do regularly right varieties the! Simple task, suitable for all gardeners how-to guides and videos for free by whitelisting wikihow on your ad.!