hydrangea - Knowledgebase Question

Mckees Rocks, Pe
Question by intersmith
May 20, 2008
How do you keep a blue hydrangea blue?


Image
Answer from NGA
May 20, 2008

0

Blue hydrangeas will remain blue in acidic soils but will begin to turn pink if your soil is alkaline. Miracle Gro has a fertilizer that has acid in it. I use it about every two weeks for for 2-3 months beginning in early spring and the flowers my hydrangea produces are blue. Give it a try!

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