Hydrangea Plants
Q.

How Long It Takes for Hydrangea to Change Colour? Can It Change Quickly?

Anonymous added on November 24, 2010 | Answered

I want to do some experimenting on changing hydrangea colour. If the tree is already grown, can i still change the colour of the flower?

A.
A.Answers to this queston: Add Answer
Heather
Certified GKH Gardening Expert
Answered on November 25, 2010

Yes, you can change the color at any time. This article will help with how to do that: https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/change-hydrangea-color.htm
 
It normally takes about a season to change the color.

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