How can I make my Hydrangea turn blue?

I have heard that you can put different things into the soil of Hydrangeas and they change colors. If that is true what do you put in the soil?

How can I make my Hydrangea turn blue?
It is dependent on the pH of your soil. Hydrangea's will bloom pink when the pH is above 7....blue if it is below 6.5. You can add soil sulfur to your soil to bring the pH down or coffee grounds mixed in the soil will also help. Good luck.
Reply:There are varieties of white hydrangea that don't change no matter what you put in the soil. Report It

Reply:Yes, steel nails worked for me. I did it thinking "sure" but the next season they were a beautiful blue. That was several years ago %26amp; I haven't added anymore nails. I probably used 1/2 pound stuck them right in the ground around the roots %26amp; tapped them in with a hammer until the head was just buried.
Reply:I'm not sure what you put in, but I know it does have to do with the PH and Acidity. Check with the local garden center.
Reply:1.Spray Paint


2.Food dye the water you use to water it


3.Bury some smurfs around it.
Reply:If you live in the south, they mostly will be blue. If you live in the north, they mostly will be pink. PH is the key.


More acid, more blue, say 6.5 or lower should do it.
Reply:I think you need ericaceous soil. It should be available from any garden centre.

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