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Soil for Hydrangeas

newbiegardener101

17 years ago

I just ordered a Cityline Paris Hydrangea and plan to pot it rather than plant it in the ground. I know that the color of hydrangea blooms changes based on the acidity of the soil. What if I just plant it in a relatively neutral soil and don't add any additional products to it? I don't particularly care what color the flowers turn out to be. Are there other reasons to make the soil more basic or acidic, other than determining flower color?

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luis_pr
17 years ago
Hydrangeas naturally grow in well draining, moist and acidic soils. Anything you can replicate from places where they originate from will increase the chances of success in your garden as well as minimize the risk of problems and the damage from pests.

If you grow mophead hydrangeas in a neutral (pH reading of 7) potting medium, you will get pink blooms. You have to get a reading of 6.5 or less (approx) in order to start seeing purples or blues.
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