How To Change The Color Of Hydrangeas

Hydrangeas are a wonderful, old-fashioned bush that deliver explosive color and it’s easy to see why they are just so popular. Learn the secret now to changing their color.

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Most hydrangeas thrive in rich, porous, somewhat moist soils. It is advised that you add compost to enrich poor soil. Hydrangeas thrive in full morning sun and they like afternoon shade.

Did you know that by changing your soil pH, you can change the color of Hydrangeas? There are some limitations to this process, so the following needs to be taken into consideration.

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You can’t change the color of white Hydrangeas to pink or blue. If you have acidic soil, your hydrangeas will turn blue, if you have alkaline soil, your hydrangeas will turn pink.

If you are neutral, you will end up half and half. As you can see from the infographic above, adding Lime to your soil with result in pink blooms and alumininum sulfate will result in blue blooms.

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Change Color Of Hydrangeas Video

As the Hydrangeas age, sometimes a bit of red comes through the blooms. This is purely down to nature. Whilst you may see pictures around the web of blood red Hydrangeas, a dark pink is a more realistic result, particularly if you live in a hot climate.

We have included a very helpful video from The Grumpy Gardener that shows you in a couple of minutes how to change the color of hydrangeas to blue or pink. Click Play above ^

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If you are a keen gardener, you will know just how important PH Level is if you want your garden to not only survive but thrive. This is what Garden.com has to say:

 “The pH scale has 14 units and is centered on 7, which is neutral. Levels below 7 are considered in the acidic or sour range; readings above 7 are alkaline or sweet. Soil nutrients are at their optimum availability in the range between 6 and 7.

Most plants grow best in this range, although some type of plant growth can take place anywhere between 3.5 and 10.” The soil is of particular significance to hydrangeas as acidity determines color.

If the soil is acidic with a pH of around 4.5 to 5.0, the flowers will be light blue to electric or even peacock blue as is often the case in mountainous conditions. However, most garden soils are much less acidic and the flowers pink. Want more? Find out how to grow hydrangeas from cuttings here.

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