What do you add to Hydrangeas to make the bloom blue?

by Ban14839859

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Answered

What do you add to Hydrangeas to make the bloom blue? And does Epson salts

really make tomatoes produce more?

1 answer

Pac15521033 on May 01, 2017

used coffee grounds around base of plant

Helpful Reply
- Ban14839859 on May 01, 2017
  
  Have tried that, but no difference. Any other hints?
  
  Helpful

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What do you add to Hydrangeas to make the bloom blue?

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What do you add to Hydrangeas to make the bloom blue?

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