MSN: Hydrangeas can turn pink or blue by adding simple household item to soil Hydrangeas can turn pink or blue by adding simple household item to soil Nudge your shrubs toward soft blues, bold pinks, or even purple tones. Bloom color is generally controlled by soil pH and aluminum availability. Only certain hydrangeas can change color, and some ...

Understanding the Context

Q: I have a row of blue hydrangeas but a couple of them bloomed purplish pink this year. How do I make them go back to blooming blue? A: Changes in soil pH cause certain types of hydrangeas to change ... Hydrangea macrophylla (Bigleaf Hydrangea): This variety is most commonly affected by soil pH.

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It includes both Mophead and Lacecap types. The color change is most dramatic in these hydrangeas. Yahoo: Will Coffee Grounds Turn Your Hydrangeas Blue? Here's What a Soil Scientist Says Will Coffee Grounds Turn Your Hydrangeas Blue? Here's What a Soil Scientist Says AOL: How to Create the Perfect Soil for Hydrangeas for Healthier, More Vibrant Blooms How to Create the Perfect Soil for Hydrangeas for Healthier, More Vibrant Blooms