Direct Answer • Key Takeaway
Some Gardeners Report Success in Turning Their Hydrangeas Blue by Applying Coffee Grounds to the Soil. the Coffee Grounds Make the Soil More Acidic, Allowing the Hydrangea to More Easily Absorb Aluminum.
Do Coffee Grounds Turn Hydrangeas Blue?
•
•
7 min read
★ Key Takeaways
Some Gardeners Report Success in Turning Their Hydrangeas Blue by Applying Coffee Grounds to the Soil. the Coffee Grounds Make the Soil More Acidic, Allowing the Hydrangea to More Easily Absorb Aluminum.
