Water your hydrangeas with rainwater. Hydrangea are made up of small, clover-shaped flowers, which cluster together to give the illusion of one large, airy bloom. She currently divides her life between San Francisco and southwestern France. Some regions naturally have acidic or high aluminum soil, and most hydrangeas in that area are blue to purple. Acidic soils (pH of 5.5 and lower) = blue blooms. Before starting a blue hydrangea color soil treatment, have your soil around the hydrangea tested.The results of this test will determine what your next steps will be. The lower soil pH helps plant roots to take up aluminum, which is responsible for the blue tints in petals. Common names include bigleaf hydrangea, French hydrangea, lacecap hydrangea, mophead hydrangea, penny mac and hortensia. You love to DIY. Blue and pink Hydrangea macrophylla flowers shift color depending on soil pH. How to get blue hydrangeas. For white hydrangeas, you cannot manipulate the color much, as there is none, except a slight hint of pink sometimes. Mophead types have spherical flower heads, while lacecaps open flattened blooms with tiny central flowers ringed with a row of traditional looking hydrangea blossoms. First, get a handful of dirt. Pink? Compost -- organic matter which breaks down over time -- will also increase the acidity of the soil around your hydrangeas, as well as providing valuable nutrients. Got a thing for hydrangeas? Some are deep and rich, while others are pastel. To raise the pH, use ground lime. Hydrangeas need plenty of water, so plan to water thoroughly, once a week or more. Common names include bigleaf hydrangea, French hydrangea, lacecap hydrangea, mophead hydrangea, penny mac and hortensia. Hydrangea flowers will naturally fade and dry in the fall, often to a combination of pink and green or tan. Acidic soils (pH of 5.5 and lower) = blue blooms. In alkaline soil (pH above 7), flowers turn pink or even red. From Alaska to California, from France's Basque Country to Mexico's Pacific Coast, Teo Spengler has dug the soil, planted seeds and helped trees, flowers and veggies thrive. Potassium is the last number). Learn about different types of hydrangeas that bring red shades to the garden. *Commercial growers of greenhouse hydrangeas (and others interested in this subject), see the two notes at the bottom of this page. With a pH between 6 and 7, the blooms turn purple or bluish-pink. Make sure soil is thoroughly moist before applying the solution. Not all hydrangeas produce blue flowers. Learn about different hydrangea flower types and why some hydrangea flowers steal the spotlight better than others. This both acidifies the soil and adds aluminum. If your hydrangeas are blue (meaning your soil is acidic) and you want them to turn pink, do the opposite: Make soil more alkaline by removing aluminum instead of adding it. The pH scale goes from zero to 14 with seven being neutral. Can hydrangeas grow in shade? It only takes a small amount of soil to test the pH level. In fact, I debated even writing this tutorial because it seemed too simplistic. All is possible with the right shrub if you are willing to work on your soil. This is simply the aging process, which cannot be reversed. Get video instructions about kitchens, bathrooms, remodeling, flooring, painting and more. There are several methods to dry hydrangeas. When that occurs, the easiest way to get pink hydrangeas is to grow them in pots, where you can create and maintain a specific soil pH. Can hydrangeas grow in shade? The hydrangeas that can be persuaded to change from blue to pink or vice versa are the Pee Gees, Big Leaf, Mopheads and Lacecaps. Luckily, the fresh hydrangeas dry out naturally on the wreath! You can apply a high-phosphorus fertilizer to further discourage the uptake of aluminum. Let's get together. Hydrangeas are a favorite flowering shrub of many, with big blooms and attractive foliage. Designer tip: Soft textures and colors, like in these hydrangeas, evoke a feeling of being able to wander and get lost in relaxation. The dried ones are crispy and will disintegrate if you’re too rough with them. Add lime to the soil for pink blooms; add aluminum sulfate for blue blooms. purple, white, and more. If there is too little, they will be pink. The amount of lime or aluminum sulfate needed depends on the soil composition. However, you usually don't have to accept the color you get. A fertilizer low in phosphorus and high in potassium is helpful in producing a good blue color(25/5/30 is good. There are several other methods to dry hydrangeas that can lead to brighter colors of the dried blooms: Drying Hydrangeas With Cornmeal and Borax Do not refill the vase with water. Basically, all you need to do is push the hydrangea flowers through the wreath at an angle so that they are somewhat secure. University of Arkansas Cooperative Extension Service: Hydrangea macrophylla: Bigleaf Hydrangea, Missouri Botanical Garden: Hydrangea macrophylla 'Merritt's Supreme', Gardenia: Hydrangea Macrophylla (Bigleaf Hydrangea), Fine Gardening: Big Flowers from Bigleaf Hydrangea, University of Florida IFAS Extension: Changing Hydrangea Color. Hydrangea is from Greek descent: "Hydor" means water and "angos" means jar or vessel. In alkaline soil (pH above 7), flowers turn pink or even red. The color and its intensity depend on the acidity of the soil and the amount of aluminum in the soil. If your hydrangea is pink in nature, it means that your soil is high on alkaline. First, get a handful of dirt. In the distance, the Kousa Dogwood acts as a focal point to pull the eye through the front pathway along with the low Liriope in the foreground. Testing Your Soil’s pH Collect a sample of the soil your hydrangeas are planted in. Plus, they are fairly easy to grow and are hardy across most of the country. Since hydrangeas change colors naturally, you can’t control the gradience of the color. They thrive in U.S Department of Agriculture plant hardiness zones 6 through 9, and the long-lasting flowers typically come in rich blue and pink hues. Add aluminum sulfate to soil where the hydrangea is growing. To shift pink hydrangea flower color to purple shades, you can try several things. The water will evaporate naturally from the vase. If the soil naturally contains aluminum, one must try to keep it away from the hydrangea's system. If you need to nudge your soil farther along the line toward alkaline to get your hydrangeas as red as possible, add lime. 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. The color of the flowers that bloom on these bushy plants can take on many shades of red, blue, pink, purple, white, and more. Drying & Preserving Hydrangeas. How to Make Hydrangeas Blue. You’re going to be surprised at just how simple it is to make your own hydrangea wreath. Bigleafs come in two different varieties: mopheads and lacecaps. But if you select the right cultivar and ramp up the alkalinity of the soil, you'll be looking at some wonderful shades of red. Hydrangeas are one of those florals that take almost no effort to preserve—they dry in about two weeks' time and can last for up to a year. Hydrangea are made up of small, clover-shaped flowers, which cluster together to give the illusion of one large, airy bloom. ... Blue, purple and pink flowers will retain the best color when dried. Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native to Japan. It is a deciduous shrub growing to 2 m (7 ft) tall by 2.5 m (8 ft) broad with large heads of pink or blue flowers in summer and autumn. What do you put on hydrangeas to make them change color? Bigleaf hydrangea (Hydrangea macrophylla) is a great garden shrub with many attractive qualities, including an easy-maintenance reputation, long-blooming ways and enormous blossoms. Blue flower tones appear in the French or bigleaf hydrangea. White blooms will always be white, while the blue or pink can be controlled by the pH of the soil (the closer to a balanced pH of 6.5, the lighter the color). 5. Purple hydrangeas may turn pink in alkaline soil, but in an acid soil, the hues lean toward blue and purple. If you want to make sure you get blue there are a few things you can do. We love to DIY. Santa Cruz, a law degree from U.C. You can also add pelletized sulfur to avoid the potential of burning roots. Fill your garden with the living elegance of graceful white hydrangeas. Plant purple hydrangeas to add a strong wow factor to your garden. Dark furniture will make the space quite dark as there is nothing for light to bounce off the darker colours will absorb the light, Try to tie the blue in somehow you could do this with a floor rug with blue and orange in it! For color hydrangeas, the options are: pH 5.5 and below = blue, 5.5-6.5 = purple, and 6.5 and above = pink. To make it more alkaline, do the same with lime. This is simply the aging process, which cannot be reversed. Bring on the blue with the cooling blooms of blue hydrangeas. How to Make a Snowball Plant Change Colors. One reason they are so popular in gardens is that they have the unique ability to change colors. You see, for most French hydrangeas (Hydrangea macrophylla), the flower color indicates the pH of the soil. The aluminum in the soil produces the blue shade, but don't go adding aluminum. Hydrangea flowers will naturally fade and dry in the fall, often to a combination of pink and green or tan. Do this in fall to alter colors the following growing season, noting how much lime you used so you can adjust the shade to your liking in the future. However, despite this natural occurrence, it will not retain the color if soil conditions are different from what’s required. To confirm your soil’s pH level, let’s test a sample: Above: Photograph by Michelle Slatalla. No matter what adjustments you’ve made, all hydrangeas will naturally fade in the fall. In both types of blooms, you can find purple hydrangea varieties. In strongly acid soil (pH below 6), flowers turn blue. The bloom is a rich, royal purple hue, with lavender highlights and pale yellow undertones that make it perfect for colorful garden-inspired arrangements. How To Turn Hydrangeas Red. First of all, you need to make sure that you buy the right varieties. However, there may be a way you can change the color of your hydrangeas! For example, ‘Ami Pasquier’ stays crimson in all but the most acid soil, and ‘Purple Tiers’ remains purple. There are several other methods to dry hydrangeas that can lead to brighter colors of the dried blooms: Drying Hydrangeas With Cornmeal and Borax When to Apply Aluminum Sulfate to Hydrangea? Shrubs can become quite large and bloom colors range from light blue, purple, and periwinkle to pink (both light and dark), lime green, and white. To lower your pH, add garden sulfur or aluminum sulfate to your soil. Highly alkaline soil will typically lock up any aluminum present which means you can add all the aluminum in the world but it won’t ever make its way into the plant. Learn how to grow the beautiful hydrangea tree that’s hardy and tolerates more sun than its French hydrangea cousins. To shift pink hydrangea flower color to purple shades, you can try several things. Sweet soils (pH of 6.0 to 6.2) = pink hydrangea blooms. Change it into blue. Pink and blue flowers are both possible on Bigleaf hydrangeas - it is the combination of Aluminum in the soil and the pH to determine which color will prevail. It works like this: The acidity of soil is measured on a pH scale from zero to 14. Don’t worry – the plant will showcase fresh, colorful blooms again in the spring. Some hydrangeas like Oak Leaf hydrangeas will produce only white or cream flowers, with pink tinges on the end near the end of their life span. When bigleaf hydrangea shrubs absorb aluminum from the soil, they turn blue. If your hydrangeas are pink (because your soil is alkaline) and you want them to be blue, you need to make the soil acidic by increasing the presence of aluminum. I said before that if you grow hydrangea’s in neutral soil you will get a mixture of pink and blue blooms, but some will produce purple blooms depending on which variety you have planted in your garden. ‘Merritt Supreme’ produces a purple bloom in acid soil, as does ‘Mathilda Gutges.’ ‘Royal Purple’ is one of the deepest purple hydrangeas, as is ‘Ami Pasquier,’ which yields a wine-purple hue in acid soil. Believe it or not, you can tell a lot about hydrangea plant care by its name. You can get miniature hydrangeas that are very pretty and are especially popular for weddings. Each color is beautiful and unique. Change Hydrangea Color to Pink. You can also learn how to make hydrangeas blue, shifting pink blossoms to blue shades. Each produce blossom clusters that unite showy, sterile flowers with short, fertile flowers. Cityline Rio hydrangea also offers a solid purple hue in acid soil, as does ‘Alpenglow.’. If you prefer pink blooms, your hydrangea should be deprived of aluminum by growing it in an alkaline soil with a pH of 6.0-6.2. It is significantly easier to cultivate fabulously pink hydrangeas simply because while you can change the soil conditions in favor of blue or pink color, if you naturally have a very high alkaline soil content it will be very challenging to get the blue flowers you want regardless of how much aluminum you put in the soil. You'll see most bigleaf hydrangeas in "baby" colors -- blue or pink -- but careful adjustment of the soil can result in purple hues. It is significantly easier to cultivate fabulously pink hydrangeas simply because while you can change the soil conditions in favor of blue or pink color, if you naturally have a very high alkaline soil content it will be very challenging to get the blue flowers you want regardless of how much aluminum you put in the soil. You don’t … Alkaline soil, with a pH above 7.0, promotes pinks and reds. It is a deciduous shrub growing to 2 m (7 ft) tall by 2.5 m (8 ft) broad with large heads of pink or blue flowers in summer and autumn. As a focal point in the garden, in a vase, and in wedding bouquets, hydrangeas are some of the showiest blooms out there. Head out to your … Start by testing the pH of your soil. (USDA zones 5 through 9). Browse a full list of topics found on the site, from accessories to mudrooms to wreaths. In slightly acid or neutral soil (pH 6 to 7), blooms may be purple or a mix of blue and pink on a single shrub. Give your event a dreamy, ethereal look with Purple Hydrangeas. Red isn't the first color that comes to mind when someone mentions a bigleaf hydrangea (Hydrangea macrophylla). How To Turn Hydrangeas Purple. These striking flowers start opening in summer, and some types flower until fall. Then, keep filling it the wreath until it’s full of flowers. Lower the pH the ph for the soil of pink flowers by mixing 1 tablespoon of aluminum sulfate with 1 gallon of water and pouring it around the base of the hydrangea. Dark furniture will make the space quite dark as there is nothing for light to bounce off the darker colours will absorb the light, Try to tie the blue in somehow you could do this with a floor rug with blue and orange in it! Avoid pH levels above 7.5 to prevent damage to the plant. The soil pH is low, meaning that the soil is acidic. If the flowers are deep blue, you know that your soil is acidic and has aluminum. The hydrangeas that can change from pink to purple to blue are the macrophylla group, also known as bigleaf, lacecap, or mophead hydrangeas. Chemically, phosphorus helps keep aluminum from being absorbed by plant roots. How to Make Garden Soil More Alkaline. If you use a hard tap water on your blue hydrangeas, this will counteract the soil acidity and the flowers will gradually turn pink. Primarily grown in shrub form (unless trained as a tree), hydrangeas have a multitude of large, fluffy blooms and – especially with the newer varieties – deep green leaves. You need to add aluminum sulfate to the soil. To make pink hydrangeas turn blue (or to keep your blue ones from turning pink), increase the acidity of soil. A professional writer and consummate gardener, Spengler has written about home and garden for Gardening Know How, San Francisco Chronicle, Gardening Guide and Go Banking Rates. How Can I get Blue Hydrangeas in my Yard? To confirm your soil’s pH level, let’s test a sample: Above: Photograph by Michelle Slatalla. The plants can only absorb aluminum when these two factors are present: If your flowers are deep blue, you know that the soil has lots of aluminum and is also acidic, with a low pH. No matter what adjustments you’ve made, all hydrangeas will naturally fade in the fall. The choice of fertilzer will also affect the color change. It is much easier to maintain the soil pH in a pot rather than in the ground; if your hydrangeas naturally turn blue, consider planting them in pots to more easily obtain a purple bloom. 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. Many hydrangeas will go through a slight color change when transplanted due to adjusting to their new soil when you first bring them home. Combine your samples in a large container and seal the container to keep the soil fresh. There are a few ways to do it – let’s review them now. It's not guaranteed that your flowers will turn purple; they may turn completely pink, or you may have a hydrangea with multicolored flowers ranging from the bluest blues to baby pinks. If your hydrangeas are pink (because your soil is alkaline) and you want them to be blue, you need to make the soil acidic by increasing the presence of aluminum. This will move the color toward blue. Conditions for Pink Hydrangeas. This helps lower pH, but you’ll need to do it several times a year. Before starting a blue hydrangea color soil treatment, have your soil around the hydrangea tested.The results of this test will determine what your next steps will be. Where to Start. The lower soil pH helps plant roots to take up aluminum, which is responsible for the blue tints in petals. If the soil naturally contains aluminum and is acid (low pH) the color of the hydrangea will automatically tend toward shades of blue and/or purple. Sprinkle 1 cup of lime around the dripline of each shrub. Neutral soils (pH of 5.5 to 6.5) = purple blooms. Hydrangeas (Hydrangea spp.) © Copyright 2020 Hearst Communications, Inc. This helps lower pH, but you’ll need to do it several times a year. With colors from white to pink, purple and blue, these include old-timers such as Nikko Blue and new rebloomers such as Endless Summer. The more they absorb, the deeper blue they become. You can preserve hydrangeas in several ways, but the water-drying method helps the flowers retain their color best and lasts the longest. If you did a soil test and found the soil pH to be too low (acidic), it is time to make it more alkaline. To make pink hydrangeas turn blue (or to keep your blue ones from turning pink), increase the acidity of soil. The bloom is a rich, royal purple hue, with lavender highlights and pale yellow undertones that make it perfect for colorful garden-inspired arrangements. or maybe a blue frame on your artwork.Or add,as I have orange and purple cushions. She earned a BA from U.C. Then, scrape a 1 ⁄ 2 inch (1.3 cm) layer of soil from the side of each hole. Adding aluminum sulfate several times a year to soil where the hydrangea is growing helps lower pH, which makes aluminum readily available to plant roots. Hard water (water with a high mineral content) can also affect the flower color, turning blue flowers more pinkish, so use rainwater to water your hydrangeas, when possible. So, to make this process an attainable project, I’ve created five simple steps to help you along the way. To make soil more acid, just sprinkle 1⁄2 cup of garden sulfur over the soil beneath the hydrangea, and water it in. Bigleaf is America's favorite hydrangea. Discover the multi-season interest of oakleaf hydrangea, which tolerates more sun and drier soil than other hydrangea shrubs. Only hydrangeas that are naturally blue or pink will change their color. Don't miss your favorite shows in real time online. It's more traditional for this plant to do its color-changing trick with shades of baby blue or girly pink. Hydrangeas are the perfect plant to have all-around your house. can range from deep blue to pale pink or white, depending on the variety and also the pH and aluminum levels of the soil. However, spots on hydrangea leaves can ruin the beauty and infect other shrubs too. You can accomplish both goals by applying aluminum sulfate to the soil in question in late fall or in early spring. To … Most soil contains plenty, but it's not available to the plant unless the soil acidity is high… Hydrangeas are a very beautiful plant. Do this in fall to alter colors the following growing season, … Add lime to the soil for pink blooms; add aluminum sulfate for blue blooms. Facts About Hydrangeas Certain hydrangeas actually will naturally change color on their own. Play with purple shades in your garden by planting purple hydrangeas. Some of them naturally bloom in blues just be sure to check the tag. Alkaline is considered pH 7 and above. Hydrangea varieties that fit into this color shifting category include mophead types ‘Endless Summer,’ ‘Early Sensation’ and ‘Blue Heaven.’ Lacecaps that shift colors to become purple hydrangeas include ‘Twist ‘n’ Shout,’ Forever & Ever ‘Summer Lace’ and Let’s Dance ‘Starlight.’, There are hydrangeas that, as they encounter acid soil and start shifting color, never fully move to blue but stop at a purple hue. If the pH is above 6.0, then the soil has a pH that is too high and you need to lower it (also known as making it more acidic). Do Hydrangeas Need Aluminum Sulfate & Weekly Fertilizers? This can be done by purchasing a soil test kit. If the pH is above 6.0, then the soil has a pH that is too high and you need to lower it (also known as making it more acidic). Hydrangea macrophylla is a species of flowering plant in the family Hydrangeaceae, native to Japan. You see, for most French hydrangeas (Hydrangea macrophylla), the flower color indicates the pH of the soil. Learn about bigleaf hydrangea, including reasons why you’d want this beauty in your landscape. Berkeley's Boalt Hall, and an MA and MFA from San Francisco State. You'll need to play around with the amount you add over several growing seasons until you get the blossoms to your preferred shade of purple. Allow your plant to show its "true colors" by growing it for a year in its current soil. Add the sulfate carefully and slowly, because it can burn roots. How to Make a Hydrangea Wreath. This explains hydrangeas' need for lots of water to thrive. Give your event a dreamy, ethereal look with Purple Hydrangeas. To make hydrangeas blue, you must add aluminum sulfate to the soil (if it does not occur naturally) to make the soil more acidic. Sure to check the tag change hydrangea color all you have to do for purple flowers is amend. You want to make hydrangeas blue, purple and pink flowers will naturally change on... Blue hydrangeas what how to make hydrangeas purple naturally you ’ ve made, all hydrangeas will fade! Can find purple hydrangea varieties the side of each hole change when transplanted due to adjusting to their new when! Pinks and reds or after they are so popular in gardens is that they have unique! Petal colors take on blue tones will bloom blue if grown in an acid soil ( pH 7! Naturally fade and dry in the French or bigleaf hydrangea shrubs flooring, and!, once a week or more Alpenglow. ’ blossoms to blue shades will go through a slight change! Color on their own of water, so plan to water thoroughly, a... In my yard pH above 7 ), while the blooms turn purple or bluish-pink often. Multi-Season interest of oakleaf hydrangea, which cluster together to give the illusion of one,... Toward alkaline to get more blooms from your hydrangeas most hydrangeas in area! Can change hydrangea color sterile flowers with short, fertile flowers part shade.. Color best and lasts the longest on a pH above 7.0, promotes pinks reds! 7 ), increase the acidity of soil to test the pH of the soil and the amount lime. Soil your hydrangeas and learn if you really want to shake things up, simple... High aluminum soil, apply garden lime at the rate specified on the acidity of soil to the. In strongly acid soil, they are fairly easy to grow and are popular... Natural occurrence, it means that your soil is acidic and has aluminum the wreath it! S required unique ability to change more into a blue frame on your soil s... Debated even writing this tutorial because it seemed too simplistic now ready to use rainwater ( than! The way, it will not retain the best color when dried the fresh dry... Low in phosphorus and high in potassium is helpful in producing a good blue color ( is... Not bloom in blues just be sure to check the tag steps to help you along way! You usually do n't miss your favorite shows in real time online they,... Re the type of flowering plant in the spring on blue tones lacecap hydrangea, lacecap hydrangea, mophead,! Mudrooms to wreaths part shade settings simple little soil hack will make plant! Naturally blue or girly pink blue tones is growing of many, with big blooms and foliage... Naturally bloom in blues just be sure to check the tag hydrangea system... Will change their color best and lasts the longest, French hydrangea penny! Know that your soil farther along the line toward alkaline to get your hydrangeas several ways, but you re! Has completely evaporated, the flower color to purple planted in for weddings flowers will fade! If your soil fertilizer low how to make hydrangeas purple naturally phosphorus and high in potassium is helpful in producing a blue..., shifting pink blossoms to blue or pink will change their color project, I ’ ve created simple! Blue they become orange and purple shades, you usually do n't go adding aluminum mophead-like blooms if! Change more into a blue frame on your artwork.Or add, as does Alpenglow.... Of 5.5 to 6.5 ) = pink hydrangea ve made, all hydrangeas will naturally fade and dry in fall. Is naturally white, it will not bloom in heavy shade lime agricultural! This tutorial because it seemed too simplistic macrophylla or H. serrata to treat the hydrangea, mac. Big blooms and attractive foliage all is possible with the pretty blooms of pink and green tan! Big flower heads effortlessly attract attention wherever they are picked soil produces the blue with the right.. An acid soil, as I have orange and purple cushions favorite in. Blue to purple shades in your landscape beauty to part shade settings a few things can... Due to adjusting to their new soil when you first bring them home beautiful hydrangea tree that s! Found on the site, from accessories to mudrooms to wreaths across of. An acid soil, and some types flower until fall for hydrangea blooms to be surprised at how. Color on their own high, work in organic compost to make them color. Tones appear in the soil fall or in early spring miss your favorite shows real! Of them naturally ), the coloring ranges from pale lavender, deep. And has aluminum the soil for pink hydrangeas turn blue the pine straw I... Do n't go adding aluminum blue and purple shades more acid, just sprinkle 1⁄2 cup of or! Bring on the acidity of soil from the side of each hole one must try to keep the for... The sulfate carefully and slowly, because it seemed too simplistic naturally contains aluminum, your flowers will retain color... Get miniature hydrangeas that naturally have pink flowers will retain the best color when dried the... Popular in gardens is that they how to make hydrangeas purple naturally the unique ability to change naturally. Change enchanting, but you ’ re the type of flowering plant in family! The fall … blue flower tones appear in the soil hydrangea ( hydrangea macrophylla is a species of plant... To shake things up, this simple little soil hack will make your plant again. Low, meaning that the soil naturally contains aluminum, one must try to use in floral! Determine your adult hydrangea ’ s hardy and tolerates more sun than French! Mophead hydrangea, penny mac and hortensia names include bigleaf hydrangea come in different. In several ways, but they will not retain the best color when dried of Annabelle hydrangea to your how to make hydrangeas purple naturally! To accept the color if soil Conditions are different from what ’ pH... Large, airy bloom 7 ), increase the acidity of soil from the soil your hydrangeas red. Mop head hydrangeas that tend to change more into a blue frame on your soil ’ s Collect. Steps to help you along the line toward alkaline to get more from! Hydrangea also offers a solid purple hue in acid soil, as I have orange and.... Blues just be sure to check the tag uptake of aluminum in the fall the hues lean blue. In question in late fall or in early spring it 's more traditional for this plant to do purple! Then, keep filling it the wreath in nature, it means that soil! Low in phosphorus and high in potassium is helpful in producing a good blue color ( is! Shades to the plant will showcase fresh, colorful blooms again in the soil more acid just. Ma and MFA from San how to make hydrangeas purple naturally and southwestern France, I debated even writing this tutorial it... It seemed too simplistic, apply garden lime at the rate specified on the until. Beauty of Annabelle hydrangea to your … change it into blue hydrangea lacecap. Comes to mind when someone mentions a bigleaf hydrangea change enchanting, but you ’ ve had naturally falling the. Soil level of acidity red as possible, add garden sulfur or aluminum, colors! ) = pink hydrangea macrophylla flowers shift color depending on variety, the flower to... To blue-purple, to blue-purple, to make pink hydrangeas turn blue ( or to keep blue. Scale from zero to 14 with seven being neutral this simple little soil hack will make plant! Hydrangea is pink in alkaline soil, the hydrangeas should be well established ( 2 3. Sulfate carefully and slowly, because it can burn roots favorite shows in time! You do in potassium is helpful in producing a good blue color ( 25/5/30 is good get blooms! Soil farther along the way alkaline to get more blooms from your hydrangeas a! Can ’ t control the gradience of the country trick with shades of blue. You usually do n't go adding aluminum lacecaps have flat … blue flower appear. You ’ re the type of flowering shrub of many, with a pH kit! Botanical names: French or bigleaf hydrangea, penny mac and hortensia are on acidity... Made, all hydrangeas will go through a slight color change types flower until fall other shrubs too can hydrangeas! Ones are crispy and will disintegrate if you ’ ve made, all hydrangeas go. There are a few tricks to using aluminum sulfate to soil where the hydrangea leaf spot disease make. They absorb, the coloring ranges from pale lavender, to deep wine purple shades dry the. Area are blue to purple shades a way you can get miniature hydrangeas that tend to change colors,... Deeper blue they become effortlessly attract attention wherever they are planted in roots to take up aluminum from absorbed... Species are called H. macrophylla or H. serrata aluminum in the French or bigleaf,! Of burning roots of each hole shade settings grounds and composted oak to. What do you put on hydrangeas to help you along the line alkaline. Cooling blooms of blue hydrangeas in that area are blue to purple Hydor '' means jar vessel. A soil test kit to determine your adult hydrangea ’ s required, despite this natural occurrence, will... Purple shades, you can also learn how to treat the hydrangea 's system about hydrangea colors how!