You must have naturally acidic soil. Mop-head Hydrangeas turn blue in the presence of acid. Your bush must have been grown in a basic soil-less medium, so the pink lasted through the transplant and now that it's grown so much is being affected by your regular soil. If you want the blossoms to be pink you can treat the area with lime to bring the Ph up.
One couple, one yard: figuring it out as we go along
My husband Matt and I live in a single family house (built 1936) in Northeast Baltimore City with our three dogs, Violet (a whippet), Pippi (a tiny dachshund) and Elvis (a pug). We are lucky enough to have a backyard that is 45 feet wide and 236 feet long. To put it in perspective, the house I had rented before we got married had the more typical Baltimore City rowhouse yard dimensions of 12 feet wide and 6 feet long.
While Matt does much of the hard labor (and has become quite obsessed with gardening) I do most of the planning, vegetable tending and of course, all of the photography.
Look for updates of what is in bloom, what has changed and what we are planting throughout the year.
2 comments:
You must have naturally acidic soil. Mop-head Hydrangeas turn blue in the presence of acid. Your bush must have been grown in a basic soil-less medium, so the pink lasted through the transplant and now that it's grown so much is being affected by your regular soil. If you want the blossoms to be pink you can treat the area with lime to bring the Ph up.
I am so jealous! My hydrangeas have never produced a bloom. Yours are gorgeous!
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