Carol, the blue hydrangeas in my garden turned to pink. My solution: -I've mixed the soil at the feet of the hydrangea with plenty of garden peat; -I gave the plants at the end of August, beginning of September of last year, aluminum sulphate (15-50 grams per plant), dissolved in warm water and, after cooled down the water, I pour it into the plants. They've a similar color like the by you perfectly depicted one now again. If the depicted Hydrangea, whether it's yours or one of someone's else, may turn pink too, you've already my advice to resolve this 'problem', 😁 . Wonderful (belated?) Foofy Friday (F²) contribution!
If you think you can't accept something, try to change it. But if this doesn't work, don't be frustrated, but give it later another try. The one who perseveres wins!
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