When Do Hydrangeas Bloom?


Quick Answer

The time that hydrangeas bloom can vary from early spring to mid-summer, depending on the variety of the hydrangea. These blooms last until the autumn and can be blue, red, pink or white in color.

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Full Answer

The color of hydrangeas is dependent on the type of soil they are planted in. The lower the soil pH, the more blue- and white-toned flowers will be produced. The ideal pH for this color hydrangea is between 5 and 5.5 pH. In order to achieve the red and pink blooms, a soil pH of 6 or higher is needed. If the soil the hydrangeas are being planted in is a low pH, adding lime can help increase the pH and produce the desired color of bloom.

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