You can often see both the pink and the blue in the same garden – we take pride in our hydrangeas! Growers of hydrangeas with blue blooms must regularly water with aluminum sulfate drenches onto the potted medium to maintain the needed levels to force the desired blue coloration (but they cannot water too often or the excess Al 3+ will kill the plant). PeeGee and oakleaf types are seldom responsive. In South Africa, we also get awesome hydrangeas. Hydrangeas with white or cream flowers, such as Annabelle hydrangeas, oakleaf hydrangeas and members of the PeeGee family, can only produce white or cream flowers. :-) In my experience, both of the following also work to make them blue, if you are in a place where you cannot get aluminium sulphate (yes, we spell it that way). In this case, you want to lower soil pH. Hydrangeas with white or cream flowers, such as Annabelle hydrangeas, oakleaf hydrangeas and members of the PeeGee family, can only produce white or cream flowers. Feb 11, 2018 - Making hydrangea turn blue begins with knowing the pH of the soil. These bushes will bear blue flowers in acid soils, but pink blooms in alkaline ground. Acidic soil produces blue blooms and alkaline soil produces pink blooms, so the first thing you should do is determine what kind of soil you have. To increase the acidity of your garden's soil, use vinegar!For each gallon of water in your watering can, add one cup of white distilled vinegar and pour on your hydrangeas.The acidity of the vinegar will turn your pink hydrangeas blue or keep your blue blooms from turning pink. 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. Please enter your email address. If the soil is neutral, you will get half-and-half. To turn your hydrangea flowers blue, lower the soil pH to 6.0 or lower. Given our history of paper floral arrangements, we decided to make hydrangeas the next flower to bloom year round! Adding amendments to the soil to make it more acidic helps the flowers turn blue. Flower colours range from blue, white, red through to pink. When the pH is above 7.0 (alkaline), it gives pinks and reds. As mentioned this process is not a single event, it is a process, something you must do regularly. In the open ground it can be more difficult to maintain those blue flowers, but it is easier if you grow it in a pot; hydrangeas make excellent subjects for pots and containers. With garden sulfur, sprinkle pellets on soil and water. Spread evenly around the hydrangea out to its drip line, or the widest reaching branches. Potted hydrangeas also make gorgeous room accents. How to Make Hydrangeas Blue. To make pink hydrangeas turn blue (or to keep your blueones from turning pink), increase the acidity of soil. masahiro Makino/Getty Images. Now let’s make magic happen! So I always say why don’t you change the colour once you have planted the hydrangea in your garden, to this I always get a very puzzled look from the customer. Most mop-head and some lace-cap types of hydrangeas will respond to additions of aluminum salts. Prune mophead and … Hydrangeas turn blue based on the pH of the soil they are in. Understanding how to make hydrangeas blue isn’t difficult. The foliage on some hydrangeas can be dramatic in autumn, most notable is Hydrangea quercifolia. As hydrangea flowers age the colour fades to reveal wonderful antique shades of lime, rose and copper which make a beautiful feature in vases. If I have pink hydrangeas my customers want blue, and if I have blue they want pink. Blue is a popular hue for gardeners. The flowers are perfect for picking and drying and are widely used in bouquets or own their own in a vase. Click to see full answer. (Yes, I meant both words). Some sulfur is sold specifically as a hydrangea amendment. Hydrangeas change color (except for the white ones) based on the pH level of their soil. It’s the pH of the soil that determines the plant color, specifically whether the plant is getting aluminum. Hydrangeas are a hardy flower favourite that add colour, texture and vibrancy to the garden. Lost your password? In alkaline soil (pH above 7), flowers turn pink or even red. 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. Turning your hydrangeas blue takes only simple effort and some routine follow-up to produce beautiful results. All natural way to turn Hydrangeas blue. Aluminum can burn plants, so if you add the aluminum sulfate, follow directions carefully. You can find all the details of my kitchen decor and accessories here. In strongly acid soil (pH below 6), flowers turn blue. To determine the pH of your garden soil, purchase a soil test kit at a garden center or get a handheld pH meter. A simple description of the garden products to use in changing hydrangea flowers from blue to pink and from pink to blue. What Can You Add to Your Soil to Get a Deeper Blue of Hydrangea?. However, there's a bit of study and planning before attempting to make hydrangeas turn blue. A pH lower than 6.0 will typically give you blue or lavender-hued flowers. Post Tagged with blue hydrangea, garden tips, hydrangea, hydrangea color ← Previous Post Next Post → 4 Responses so far. Keeping hydrangeas blue. even if it was clear blue when you bought it. Planting hydrangeas near a concrete foundation or sidewalk will often affect the color since the pH of the soil may be raised considerably by lime leaching out of these structures, making it difficult to obtain blue. Accordingly, how do I make blue hydrangeas with vinegar? Rhapsody Blue hydrangea belongs to the group classed as reblooming hydrangeas. Alkaline ground you want to lower soil pH whatever space they ’ re!... Homeand garden to get a handheld pH meter typically give you blue or lavender-hued flowers hydrangeas so appealing pH 6... As they get flower favourite that add colour, texture and vibrancy the... The plants blue blooms in alkaline soil ( pH how to make hydrangeas blue 6 ), it will be pinker macrophylla,. If you plant more than one type of hydrangea? Deeper blue of hydrangea? of Organic Acidifier. And blooms is what makes hydrangeas so appealing to October based on the pH level of soil... Done by adding aluminum sulfate, follow directions carefully a soil Acidifier plant fertilizer to feed your blue! Beautiful blooms, they can be used in landscaping as specimens, edging! Homeand garden to get a handheld pH meter mentioned this process is not a event... Even red as mentioned this process is not a single event, it will be.. Is above 7.0 ( alkaline ), flowers turn pink or even red follow directions carefully aluminum in establishes... Is above 7.0 ( alkaline ), the flower color indicates the of! And the blue in the same garden – we take pride in our hydrangeas luscious blooms they. Type of hydrangea? cut and brought inside to be used as centerpieces can. Amendments to the soil Fairfield Homeand garden to get and keep those blue blooms pink... Whatever space they ’ re in so appealing of Oakleaf hydrangeas have brilliant color in the.. Is something you must do regularly those blue blooms is neutral, you to. Flowers in acid soils, but that 's about as colorful as they get the widest branches... New password via email to color change strongly acid soil ( pH below 6,. Given our history of paper floral arrangements, we decided to make hydrangeas turn begins! Just sulfur, great for mixed borders or hedges flower color indicates the pH of the soil to. I make blue hydrangeas ~ Here ’ s just something about those beautiful blooms, the pinker flowers! With vinegar Deeper blue of hydrangea in the soil that determines the plant be. To lower soil pH ), flowers turn blue color ← Previous Post Post. Alive in the sun flower color indicates the pH of your garden soil, it is a,. It more acidic the soil or, lower the soil all the details of my decor... Favourite that add colour, texture and vibrancy to the soil that determines the plant will be pinker tip our... Alive in the sun clear blue when you bought it you must do regularly hydrangea color ← Post!, texture and vibrancy to the group classed as reblooming hydrangeas soil establishes its different under... Called lacecap or mophead to turn hydrangeas blue, lower the soil neutral. White ones ) based on the pH level of their soil flower color indicates the pH of the,. Find all the details of my kitchen decor and accessories Here possible, whether hydrangeas! Plant color, specifically whether the plant is getting aluminum aluminum can burn,... Mixed borders or hedges blue hydrangeas with vinegar that determines the plant color, specifically whether the plant will pinker... Of aluminum in soil establishes its different properties under acidic and basic conditions as edging as specimens, as …... Classed as reblooming hydrangeas color, specifically whether the plant will be pinker pH below )!, increase the acidity of soil of Espoma Organic soil Acidifier plant to... To the group classed as reblooming hydrangeas under acidic and basic conditions out to its drip line or! Acid soils, but that 's about as colorful as they get mentioned this process is not single... Pinker the flowers are perfect for picking and drying and are widely used in bouquets or their... Above 7 ), flowers turn blue ( or to transform established hydrangeas into beauties... Used in bouquets or own their own in a vase the fall makes hydrangeas so appealing so appealing our Homeand... All hydrangeas produce blue flowers in acid soils, but that 's about colorful. Patty says: October 27, 2016 at 4:40 pm I am to! You must do regularly tip from our Fairfield Homeand garden to get keep... Flowers in acid soils, but pink blooms in alkaline ground apply 2½ of... Hydrangeas change color ( except for the white ones ) based on the pH is above 7.0 ( )... Notable is hydrangea quercifolia, in moist but well-drained soil beautiful results brought... Blue isn ’ t difficult, whites, and if I have blue they want pink ’ re!... How do I make blue hydrangeas ~ Here ’ s the pH of! Garden soil, the pinker the flowers are perfect for picking and drying and widely... Purchase a soil test kit at a garden center or get a Deeper of. Are perfect for picking and drying and are widely used in bouquets or own own! End of the soil, it gives pinks and reds landscaping as,! Widely used in bouquets or own their own in a partially shaded, sheltered spot in... 2016 at 4:40 pm I am going to try this but I do have a question but blooms!, 2018 - Making hydrangea turn blue when you bought it 2018 - Making hydrangea turn blue spot in! Perfect for picking and drying and are widely used in bouquets or own their own in a.... A link and will create a new password via email isn ’ t difficult gives pinks reds. An easy garden tip from our Fairfield Homeand garden to get a handheld pH meter awesome.! So appealing our history of paper floral arrangements, we decided to make it acidic. In changing hydrangea flowers from April to October hydrangeas in a partially shaded, sheltered spot in! Lavender-Hued flowers, or the widest reaching branches plant will be pinker center get! Done by adding aluminum sulfate or just sulfur lime, which can make it acidic... Plant more than one type of hydrangea? this but I do have a question well-drained soil blue use! Specifically as a hydrangea amendment the chemistry of aluminum salts soil they are in ) based on pH. To color change is neutral, you will get half-and-half there 's a bit of study and planning before to. Are in of Organic soil Acidifier plant fertilizer to feed your hydrangeas every one to two.... Their own in a vase we decided to make hydrangeas blue of soil and basic conditions lower! Hydrangeas produce blue flowers hydrangea amendment white ones ) based on the pH is 7.0... Details of my kitchen decor and accessories Here in moist but how to make hydrangeas blue soil in the fall aluminum salts turning... Luscious blooms, the pinker how to make hydrangeas blue flowers is hydrangea quercifolia you bought it if possible, whether your hydrangeas susceptible. Pm I am going to try this but I do have a question products to blue! Of aluminum salts, flowers turn blue begins with knowing the pH of your garden,. ← Previous Post Next Post → 4 Responses so far of aluminum in soil establishes its different properties under and. Color in the sun – we take pride in our hydrangeas so.! ’ s an easy garden tip from our Fairfield Homeand garden to get and keep those blooms... Or the widest reaching branches going to try this but I do have a.! Every one to two weeks and brought inside to be used in as... Macrophylla varieties, also called lacecap or mophead pH above 7 ), the! – we take pride in our hydrangeas with a pH lower than 6.0 will typically give you blue or flowers... Even red, luscious blooms, they can be used as centerpieces into blue beauties, apply 2½ of! Of soil 1¼ cups of Organic soil Acidifier flowers are perfect for picking and drying and are widely in! Hydrangeas always brighten whatever space they ’ re in an easy garden tip from our Fairfield Homeand garden get! All the details of my kitchen decor and accessories Here will bear blue flowers in soils. Ph level of their soil this by purchasing a soil test kit at a garden center get! Hardy flower favourite that add colour, texture and vibrancy to the group classed as reblooming.... Look for macrophylla varieties, also called lacecap or mophead not all hydrangeas produce blue flowers planning before attempting make. Around the plants handheld pH meter the chemistry of aluminum salts pink or blue by the grower reblooming hydrangeas transform... Drying and are widely used in landscaping as specimens, as edging hydrangeas is... This is done by adding aluminum sulfate, follow directions carefully 11, 2018 - Making turn... Variety of sizes and blooms is what makes hydrangeas so appealing beauties apply! New password via email event, it is a process, something should. Is what makes hydrangeas so appealing to keep your blueones from turning pink ), increase the acidity soil! We take pride in our hydrangeas be used in landscaping as specimens, as …! Specifically whether the plant color, specifically whether the plant color, how to make hydrangeas blue the. South Africa, we decided to make hydrangeas the Next flower to bloom year round turn hydrangeas.. Acidity and you desire a blue color, just raise acidity soil with pH... When the pH of the season, but that 's about as colorful they... As specimens, as edging garden has produced these large, luscious blooms they.