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Is These Such Thing As a Purple Mophead Hydrangea?

16 years ago

I was recently driving down the road and almost had an accident from turning around to stare at some beautiful deep purple mophead hydrangeas in someone's yard. Can anyone tell me if I need to buy a certain type of (mophead) hydrangea to get the purple color?

I have Endless Summer hydrangea and Nikko Blue hyrdrangea already and I use Aluminum Sulphate to keep them blue. To get the deep purple color that I saw, do I need to start with a certain type of hydrangea and then add certain ingredients to the soil? Or can I add something to the soil to turn my present hyrangeas to that beautiful deep, dark purple color? Probably not, huh?

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