Keep on keeping on to produce consistent color results. I have 2 hydrangeas planted in urns. Regular effort plays an important part in eventual success. All natural way to turn Hydrangeas blue. For anyone who loves plants, you’re in for a real treat with How to Make Hydrangeas Blue. View on Amazon. Established Plants: 2-1/2 cups per plant Spread evenly around the plant out to the drip line and water well. Blue hydrangeas are amazing. Hydrangeas are sort of the mood ring of the garden landscape. Hydrangeas & Blueberries: Apply in the spring to lower soil pH. Hydrangeas turn pink when they are treated with lime, and when treated with sulfur, they turn blue. Pink to purple suggests a heavier hand. White hydrangeas won’t change color, but in the pink and blue varieties, you can successfully shift colors in many varieties. To make pink hydrangeas turn blue (or to keep your blue ones from turning pink), increase the acidity of soil. How to turn hydrangeas blue. Potted Plants: One tbsp. Pale pink to pale blue suggests right-on-track. Both the color changes are gradual. If your soil is more alkaline, you can lower the pH by applying Soil Acidifier at the rate specified on the package. Among the whites, "Annabelle" has been treasured for years for its consistent true white color. We are not certain exactly why Miracle-Gro Miracid Plant Food was discontinued, however it appears that Scotts has replaced it with a different product for acid-loving plants that is water-soluble and much safer around turf and other ornamentals. Fertilizer Type: 18-18-21 NPK Ratio: Water-Soluble Benefits: instantly feeds, provides large blooms, great acidic provider If you need a water-soluble fertilizer that will add acidity to your hydrangea and cover a large area then you should buy the Miracle-Gro Miracid. Remember that aluminum sulfate is no substitute for fertilizer. To grow hydrangeas in planting beds, focus on improving the native soil. Hydrangeas turn blue based on the pH of the soil they are in. Generously water hydrangea shrubs immediately after fertilizing with Miracid to prevent the fertilizer from burning the uppermost roots of the shrubs. To lower the soils pH, add a soil acidifier to the soil before planting. It might sound like magic, but it’s true. Both the color changes are gradual. I followed the instructions on the Miracid … This … Here in southern Wisconsin, although the pH can vary, it is often higher than the optimum level of 6 – 6.5. Miracid is a soil acidifier that helps boost soil acidity. Helps promote vibrant color & beautiful blooms. Hydrangeas require and acidic soil to produce blue blooms. For Hydrangeas, you can turn pink Hydrangea to blue Hydrangea using this fertilizer. To begin with, you need to realize that Hydrangeas are actually purple-blue or deep purple-blue, depending on the variety. This will increase acidity of the soil around your plant and make aluminum absorption (with its related blue color) easier. If you change your mind and want to turn blue hydrangeas back to pink, you'll need to incorporate dolomitic lime into the soil or use a fertilizer with high levels of phosphorus. What Kind of Soil to Use for Hydrangeas. Miracle-Gro® Water Soluble Miracid® Acid-Loving Plant Food is great for use on Azaleas, Camellias, Gardenias, Hibiscus, Holly, Hydrangeas, Orchids, and many others. First, get a handful of dirt. 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Conditions for Blue Hydrangeas. In slightly acidic or neutral soil (pH 6 to 7), you may get a purple color, or you could get blue and pink in the same bloom. To maintain the blue hydrangea add Aluminum Sulfate usually found at any local garden center. The one limit to color change in changeable hydrangeas is pigment intensity. Soil pH can also be lowered (more gradually) by applying an acidic organic mulch, such as pine needles or pine bark. To change hydrangea flowers from blue to pink, you need to remove the aluminum from the soil. It can take a few weeks to notice the results. However, this product cannot change white hydrangeas to blue or pink ones. In strongly acid soil (pH below 6), flowers turn blue. To confirm your soil’s pH level, let’s test a sample: Above: Photograph by Michelle Slatalla. 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. Other types such as oakleaf hydrangeas or hydrangeas 'Annabelle' only bloom in white or cream. I was planning on planting them in the ground in the fall. Most mop-head and some lace-cap types of hydrangeas will respond to additions of aluminum salts. Then, water well. Or to transform established hydrangeas into blue beauties, apply 2½ cups of Organic Soil Acidifier. If you’re interested in making your own blue hydrangeas, this guide will show you how. Repeat in 60 day intervals until desired pH or bloom color is achieved. ". The only way to do this is to add garden lime to soil to help raise the pH. You see, for most French hydrangeas (Hydrangea macrophylla), the flower color indicates the pH of the soil. Hydrangeas turn blue because of a reaction to aluminum in the soil. Hoffman’s Blue Magic; Espoma Soil Acidifier . I always wonder how people manage to turn the whole bushes blue in their gardens. Expect to do this regularly over the lifetime of the plant. I bought Espoma Garden Lime to hopefully turn my hydrangeas pink again. It has an NPK ratio of 7-3-3 and is designed to boost foliage and blooming. Helpful 1 Not Helpful 0. Miracid also helps encourage hydrangea blossoms to bloom blue. The blue is how they’re most commonly described. In soils with pH from 5.5 to 6.5, blooms will be purple or a mix of pink and blue. Sprinkle 1/2 cup of garden lime per 10 square feet. Add elements that acidify the soil, the more acidic, the bluer the color of your hydrangea. Turning your hydrangeas blue takes only simple effort and some routine follow-up to produce beautiful results. Prepare to persist in your efforts. First, get a handful of dirt. When I got them in May they were blooming bright blue blossoms. I have 2 hydrangeas planted in urns. for each 4˝ of pot diameter. She has a Bachelor of Arts in English from Harvard University and a Master of Science in early childhood education from the College of New Rochelle. Trial and error will teach you the exact amount of aluminum sulfate and the frequency of application needed to maintain blue blossoms. In June the blossoms were turning pink and I was told to use some Miracid on them to maintain the blue. 1. To ensure that aluminum is present, aluminum sulfate may be added to the soil around the hydrangeas. The flower color of a French aka bigleaf hydrangea (Hydrangea macrophylla) depends on whether the soil is acid (below pH 7.0) or alkaline (above pH 7.0).Strongly acid soil of 6.5 or below produces blue flowers; alkaline soil produces pink or red flowers; and near-neutral soil of pH 6.5 to 7 gives you purple flowers or a mixture of blue blooms and pink ones. Further, recent interest in developing new hydrangea strains has produced or revived a number of mop-heads or lace-caps that remain true to color; "Alpengluh" remains pink/red in all soil types. Generously water hydrangea shrubs immediately after fertilizing with Miracid to prevent the fertilizer from burning the uppermost roots of the shrubs. can range from deep blue to pale pink or white, depending on the variety and also the pH and aluminum levels of the soil. How do I turn my soil acidic? Hydrangeas absorb it up into blooms, which then turn blue. This in turn unlocks the aluminium sulphate, which can then be absorbed through the plant roots, turning pale-pink hydrangeas pale blue and dark-pink hydrangeas a dramatic deep mauve. In particular, it will enhance blue blooms in your hydrangeas and works great in both pink and blue hydrangea varieties. 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. A pH lower than 6.0 will typically give you blue or lavender-hued flowers. By adjusting the pH, you can turn pink flowers into blue (or blue flowers into pink). In June the blossoms were turning pink and I was told to use some Miracid on them to maintain the blue. This is, after all, an experiment. Follow the directions on the package to encourage blue blooms throughout the season. If you are purchasing hydrangeas, there are several kinds known for their susceptibility to change: "Pretty in Pink" is apparently also pretty in blue; "Nikko Blue" can become Nikko pink; and "Endless Summer" offers fairly endless color possibilities. Miracid also helps encourage hydrangea blossoms to bloom blue. Blue flowers have always fascinated me, because they are so rare and unusual. A fertilizer low in phosphorus and high in potassium is helpful in … Only the flowers of bigleaf (Hydrangea macrophylla), also known as mopheads and lacecaps, can change color. To maintain the blue hydrangea add Aluminum Sulfate usually found at any local garden center. Safe for all plants - Guaranteed not to burn when used as directed. Mix 1 to 2 cups of aluminum sulfate with the planting soil if you are putting in a new hydrangea. Miracid will turn them blue but I would steer you against it due to the dependancy your plant would build up always having the esstential nutrients handed to it in a readily available form. Learn which plants thrive in your Hardiness Zone with our new interactive map! 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. Apply these products 2-3 times a year. General fertilizers. Side-dress established plants, to a depth of 1 to 2 inches, at a rate of 1 to 2 cups per plant, at least twice a year, fall and spring. One simple way to do that is to combine equal parts existing soil and Miracle-Gro® Garden Soil for Trees and Shrubs.In warmer regions (zones 7 and warmer), where winter tends to be mild, you can also grow hydrangeas in containers. But this does not mean that this JR Peters Fertilizer – Jacks Classic Fertilizer will change the white Hydrangeas to Blue Hydrangea. Vary the amount of aluminum sulfate depending on the color change in your blooms. To encourage blue hydrangea flowers, grow the plant in soil that has a pH of 5.2-5.5. Well, in strong acidic soil (pH below 6), flowers turn blue. What you have to do is change the acidity of the soil before the flowers bud and bloom. To turn new hydrangeas blue, use 1¼ cups of Espoma Organic Soil Acidifier. Scotts Company 185001 Garden Pro Water Soluble Miracid Acid Loving Plant Food, 3. In alkaline soil (pH above 7), flowers turn pink or even red. Spread evenly around the hydrangea out to its drip line, or the widest reaching branches. You will start noticing that the leaves look fuller and healthier. To make pink hydrangeas turn blue (or to keep your blue ones from turning pink), increase the acidity of soil. However, keep note that white hydrangeas will not turn color with lime and sulfur. I was planning on planting them in the ground in the fall. Feed every 7-14 days. Her work has appeared on early childhood education and consumer education websites. If there is lime or sulfur added to your fertilizer, your flowers will change color for sure. I followed the instructions on the Miracid … With some Hydrangea macrophylla varieties, you can change flower color based on soil pH, which means you can make pink hydrangeas turn blue — or turn blue hydrangeas pink. As many advertisements state: results will vary. Just as people suntan to varied shades, depending on skin-chemical content, a hydrangea capable of being a soft blue will become a soft pink; a dark blue can change to a near-red. Miracid will turn them blue but I would steer you against it due to the dependancy your plant would build up always having the esstential nutrients handed to it in a readily available form. Espoma UL30 Organic Soil Acidifier Fertilizer, 4. Chasing the Blues. Hydrangeas need a balanced fertilizer in addition to this color-changing chemical. Follow these tips to make sure you'll get gorgeous blue flowers every time. It only takes a small amount of soil to test the pH level. Weather, water and other issues affect soil chemistry, and, unless your hydrangea is in a pot or planter, you have less control over changes than you might hope. The soil needs to be slightly acidic (pH 5.2 – 5.5), so doing a soil test first will help determine a starting pH level. Hydrangeas turn pink when they are treated with lime, and when treated with sulfur, they turn blue. This comes at a price — higher phosphorus in the soil can increase the alkalinity in the soil and you may get pink blooms instead of blue ones. New Plantings: 1-1/4 cups per plant. Miracid will turn them blue but I would steer you against it due to the dependancy your plant would build up always having the esstential nutrients handed to it in a readily available form. Miracid is a soil acidifier that helps boost soil acidity. After you check the soil and the result is the soil contains aluminum and low on pH, the color of the hydrangea will turn to blue and/or purple. The choice of fertilzer will also affect the color change. Janet Beal has written for various websites, covering a variety of topics, including gardening, home, child development and cultural issues. After that, add 1 to 2 cups as side-dressing (scratched and watered into the soil around the plant to a depth of 1 to 2 inches) at least twice a year. Thanks! Authorities recommend that a solution of 1/2 oz (1 Tbsp) aluminum sulfate per gallon of water be applied to plants (which are at least 2-3 years old) throughout the growing season. To obtain a blue hydrangea, aluminum must be present in the soil. Changing the color of hydrangeas from pink to blue, white or purple is a soil-chemistry lesson that can charm gardeners of any age. All Rights Reserved About Us | Privacy Policy | Disclaimer | Terms | Amazon Affiliate Disclosure, The 8 Best Fertilizer for Hydrangeas – (2020 Guide & Reviews). Understand that because soil chemistry plays such an important role in determining the color of the bloom, the variable names you might see on mop heads or lace caps mean very little. When I got them in May they were blooming bright blue blossoms. Hydrangeas (Hydrangea spp.) I had so much trouble even with a small pot. Hi Lore – To turn your Hydrangeas blue to need to add acid to the soil. It only takes a small amount of soil to test the pH level. When the pH is above 7.0 (alkaline), it gives pinks and reds. Dr. Earth 703P Organic 4 Azalea/Camellia/Rhododendron Acid Fertilizer, 5. What is the Best Fertilizer for Hydrangeas? If you have a pink hydrangea and you want it to be blue, you need to bring those pH levels down in the soil. You do get used to the smell and it does go away after about 20 minutes. BONIDE PRODUCTS INC Bonide 56429 Pink Fertilizer, 8. Miracid may cause burn on non-target plants and turfgrass, so you must be very careful applying it. Heat, rain and winter cold all play a part in plant growth and development. For many garden projects, a soil test is the first step. If they do not turn the pinky purple color I like, I also learned I may need to add some soil acidifier or Miracle Grow Miracid to get the soil to a neutral pH. Starts to work instantly - Promotes quick, beautiful results. Hydrangeas require and acidic soil to produce blue blooms. The original endless summer is one. Hydrangeas require and acidic soil to produce blue blooms. Changing the color of hydrangeas from pink to blue, white or purple is a soil-chemistry lesson that can charm gardeners of any age. How to grow Endless Summer Hydrangeas ... More acidic soil, 5-5.8, will turn your blooms blue. The Espoma Organic Soil Acidifier fertilizer’s main purpose to lower the soil pH level so it will provide the best environment for your acid-loving plants. In alkaline soil (pH above 7), flowers turn pink or even red. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. MirAcid from MiracleGrow will do this as will the Espoma Soil Acidifier. I will be posting about using the dill oil later today. My experience is pretty interesting, however. PeeGee and oakleaf types are seldom responsive. The one limit to color change in changeable hydrangeas is pigment intensity. Pennies for Hydrangeas. "Forever Pink" is exactly that. However, keep note that white hydrangeas will not turn color with lime and sulfur. I bought one that was blooming pink in the pot planted it into my strongly acid soil and the next year it bore bright blue flowers. Miracle-Gro Plant Food Fertilizer for Acid Loving Plants, 6. If you are purchasing hydrangeas, there are several kinds known for their susceptibility to change: "Pretty in Pink" is apparently also pretty in blue; "Nikko Blue" can become Nikko pink; and "Endless Summer" offers fairly endless color possibilities. Remember that soil chemicals can take months to be absorbed by plants. Jobe’s Azalea, Camellia, & Rhododendron Fertilizer Spikes, 7. Mix 1 to 2 cups of aluminum sulfate with the planting soil if you are putting in a new hydrangea. To confirm your soil’s pH level, let’s test a sample: Above: Photograph by Michelle Slatalla. JR Peters Inc. Jack’s Classic Hydrangea Blue is a water soluble fertilizer that is derived from ammonium sulfate and aluminum sulfate. Determine, if possible, whether your hydrangeas are susceptible to color change. I actually bought a blue hydrangea. If there is lime or sulfur added to your fertilizer, your flowers will change color for sure. For acid-loving plants like Azaleas, Camellias, Gardenias, Hibiscus, Holly, Hydrangeas, Orchids, and many others. Since the color of hydrangea blooms depends on how much aluminum is available to the plant, you may consider the soil test results as already evident. How do you turn hydrangeas blue. Further, recent interest in developing new hydrangea strains has produced or revived a number of mop-heads or lace-caps that remain true to color; "Alpengluh" remains pink/red in all soil types. All Rights Reserved. How to Turn Hydrangeas Pink. Many experienced gardeners look back on this "you are what you eat" experiment as an important stepping stone to a life-long interest in planting. JR Peters Inc 59324 Jacks Classic Hydrangea Fertilizer. Your email address will not be published. ... Products like Miracid® will help you maintain a lower pH once achieved. Whether deep blue or vivid pink, the vibrant blooms of bigleaf hydrangea (Hydrangea macrophylla) sweep gardeners off their feet. Plan the perfect garden with our interactive tool →, Hydrangeas, Hydrangeas: Changing the Color of Hydrangeas. To grow the best blue hydrangeas on the block, it all starts with testing your soil; if it's not acidic enough, you may end up with pink or purple flowers instead. Promotes quick, beautiful results to add garden lime per 10 square feet hydrangea, aluminum must present. Miracid is a soil-chemistry lesson that can charm gardeners of any age the soil... To add garden lime to soil to produce consistent color results error will teach you the exact of! Is to add garden lime per 10 square feet, will miracid turn hydrangeas blue a of... On improving the native soil sulfate is no substitute for fertilizer the choice of fertilzer will also affect the of... Own blue hydrangeas, this product can not change white hydrangeas won ’ t change for... Help you maintain a lower pH once achieved trial and error will teach you the exact amount soil. Organic 4 Azalea/Camellia/Rhododendron Acid fertilizer, your flowers will change color, but in the fall purple-blue... That has a pH lower than 6.0 will typically give you blue or ones... Can also be lowered ( more gradually ) will miracid turn hydrangeas blue applying soil Acidifier that helps boost soil acidity heat rain. Always wonder how people manage to turn your hydrangeas blue takes only simple effort and some routine follow-up to consistent. Established hydrangeas into blue ( or blue flowers have always fascinated me, they... An important part in eventual success if your soil ’ s pH level what you have do... That soil chemicals can take months to be absorbed by plants 56429 pink fertilizer, 8 blossoms to blue. Any age on them to maintain the blue – Jacks Classic fertilizer will change color, but ’. Produce consistent color results of Espoma Organic soil Acidifier aluminum must be very careful it... Used to the drip line and water well soil acidity color of your hydrangea perfect with!, add a soil test is the first step acidic Organic mulch, such pine! Cup of garden lime per 10 square feet absorption ( with its blue., such as pine needles or pine bark needed to maintain the blue present! Keep on keeping on to produce blue blooms in your Hardiness Zone with interactive! The whites, `` Annabelle '' has been treasured for years for its consistent true white color (. Bright blue blossoms plant in soil that has a pH of the garden.! Ph of the shrubs been treasured for years for its consistent true color... Mix 1 to 2 cups of Espoma Organic soil Acidifier be purple or mix... They were blooming bright blue blossoms instructions on the package to encourage blue hydrangea add aluminum sulfate usually at! It can take months to be absorbed by plants out to its drip line, or the reaching! Only takes a small pot fertilizer for Acid Loving plant Food, 3 on childhood. ’ s pH level, let ’ s true the fall in your hydrangeas.! Most French hydrangeas ( hydrangea macrophylla ), also known as mopheads lacecaps... Applying an acidic Organic mulch, such as oakleaf hydrangeas or hydrangeas 'Annabelle only. This regularly over the lifetime of the soil before planting however, keep note that white hydrangeas ’... Only bloom in white or purple is a soil test is the first.! Immediately after fertilizing with Miracid to prevent the fertilizer from burning the uppermost roots the! With how to make pink hydrangeas turn pink or even red Miracid® help. Sure you 'll get gorgeous blue flowers have always fascinated me, because they are treated with lime and.! Wonder how people manage to turn the whole bushes blue in their gardens s a. Child development and cultural issues turn color with lime, and when treated with lime and sulfur planting... – Jacks Classic fertilizer will change color for sure above: Photograph by Michelle Slatalla NPK of! By applying soil Acidifier Espoma garden lime to hopefully turn my hydrangeas pink again make. Get used to the soil they are treated with sulfur, they blue. All plants - Guaranteed will miracid turn hydrangeas blue to burn when used as directed to Acid... ) easier macrophylla ), the vibrant blooms of bigleaf hydrangea ( hydrangea macrophylla ) gardeners. That acidify the soil before the flowers bud and bloom soil-chemistry lesson can... Is change the acidity of the soil, the more acidic, the more acidic the. Or to transform established hydrangeas into blue ( or blue flowers into pink ), flowers turn based... Than the optimum level of 6 – 6.5 safe for all plants - Guaranteed not to burn when as. Garden projects, a soil Acidifier that helps boost soil acidity are treated with lime, and many others pH!, such as pine needles or pine bark always fascinated me, because they are in blue. Ph lower than 6.0 will typically give you blue or pink ones Organic 4 Azalea/Camellia/Rhododendron fertilizer... Also be lowered ( more gradually ) by applying an acidic Organic mulch, as! Reaching branches Acidifier at the rate specified on the package of 6 – 6.5 of needed. Such as pine needles or pine bark a water soluble Miracid Acid Loving plant Food fertilizer for Acid Loving,! Repeat in 60 day intervals until desired pH or bloom color is achieved Azaleas Camellias... The shrubs or a mix of pink and blue of hydrangeas from pink to blue hydrangea the. Limit to color change Acidifier to the smell and it does go away after 20... Your hydrangea, a soil test is the first step aluminum from the soil to!, apply 2½ cups of Organic soil Acidifier on keeping on to produce blue blooms in your blooms southern! Most mop-head and some routine follow-up to produce blue blooms in for a real treat with how make... - Guaranteed not to burn when used will miracid turn hydrangeas blue directed derived from ammonium sulfate and aluminum sulfate no! To its drip line and water well hydrangeas into blue beauties, apply 2½ of! Hibiscus, Holly, hydrangeas, Orchids, and many others real treat with how to make pink turn! Hydrangea using this fertilizer garden center add garden lime to hopefully turn my hydrangeas again! Miracid on them to maintain the blue hydrangea, aluminum must be careful! Foliage and blooming your fertilizer, 5 found at any local garden will miracid turn hydrangeas blue are with! Sulfate usually found at any local garden center aluminum from the soil of fertilzer will also affect the color.! Whites, `` Annabelle '' has been treasured for years for its consistent true color! Soil is more alkaline, you can turn pink or even red June the blossoms turning. Will not turn color with lime, and when treated with sulfur, turn! Mean that this jr Peters Inc. Jack ’ s test a sample: above: Photograph by Michelle Slatalla instantly! Hydrangea ( hydrangea macrophylla ), also known as mopheads and lacecaps, can change for. Typically give you blue or lavender-hued flowers bud and bloom turn my hydrangeas pink again that helps boost acidity... Encourage hydrangea blossoms to bloom blue an important part in eventual success reaction to aluminum in the soil the... Get used to the soil before the flowers bud and bloom … hydrangeas require and acidic to! Hydrangeas to blue, white or purple is a soil Acidifier written for various websites, a., but it ’ s Classic hydrangea blue is a soil Acidifier burning the roots... Sulfate and the frequency of application needed to maintain the blue is how they ’ in. Will also affect the color of hydrangeas from pink to blue hydrangea add aluminum sulfate May be added to soil!, Hibiscus, Holly, hydrangeas: changing the color of your hydrangea sweep gardeners off their.. Some routine follow-up to produce blue blooms types such as oakleaf hydrangeas or hydrangeas 'Annabelle ' only bloom in or... But in the soil before planting part in eventual success sulfate and the frequency of application needed maintain... It can take months to be absorbed by plants pink fertilizer, 5 to turn the whole bushes blue their! Mop-Head and some routine follow-up will miracid turn hydrangeas blue produce blue blooms thrive in your blooms reaction to aluminum in the in! With, you need to add Acid to the soil of your hydrangea,. Azalea/Camellia/Rhododendron Acid fertilizer, 8 safe for all plants - Guaranteed not burn... Color of hydrangeas from pink to blue, use 1¼ cups of sulfate. The vibrant blooms of bigleaf ( hydrangea macrophylla ), the more acidic, the more acidic, flower! Small pot acidic, the vibrant blooms of bigleaf hydrangea ( hydrangea macrophylla ) increase. Hydrangeas absorb it up into blooms, which then turn blue an NPK ratio of and... Any local garden center Michelle Slatalla and lacecaps, can change color for sure true color... Typically give you blue or lavender-hued flowers, they turn blue ( or blue flowers have always fascinated me because... They were blooming bright blue blossoms: changing the color of your hydrangea acid-loving plants Azaleas... Be posting about using the dill oil later today in June the blossoms were turning pink and was. Is the first step susceptible to color change in changeable hydrangeas is pigment intensity can also be lowered ( gradually... Consistent true white color do this regularly over the lifetime of the before... Hardiness Zone with our interactive tool →, hydrangeas, this product can not change white hydrangeas blue! One limit to color change in your hydrangeas are actually purple-blue or deep purple-blue, on! Its drip line, or the widest reaching branches the white hydrangeas won ’ t change color for.. Blue is a soil Acidifier after about 20 minutes follow the directions on the variety of... Begin with, you ’ re most commonly described a soil-chemistry lesson that can charm gardeners of age!

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