I bought this last year at the end of July (in 2015). It looked beautiful and although I took care of it (covered it during the winter to protect it from snow and winds) it did not survive in 6A. The buds were green in spring on it, but no leaves emerged. Then in May some leaves came out but wilted again. Now the canes are all dried up and broken. I have other hydrangeas and they are all doing well but this one simply couldn't survive our winter and cold spring. What a waste of time and money.
After reading about it online, others say that they actually keep it in a pot and bring it indoors/garage otherwise it won't survive.
Big disappointment, flowers are so beautiful. It should say on the label that it blooms on old wood.