Blossoming Questions

We just purchased Endless Summer Summer Crush. We want the blooms to be the color shown on the tag. The color range indicator shows the more acidic the soil, the darker the blooms while the more alkaline the soil, the lighter the blooms. What should the soil PH level be to get the color shown on the tag?
I just bought some BloomStruck Endless Summer hydrangeas. I always thought hydrangeas were blue or pink regards to the soils Ph. Now will the BloomStruck hydrangeas always be a purple color or will they turn blue or pink if I don’t have the correct Ph?
I purchased back in april planted them around they same time. They did great for a week or two before after that the flowera look dryed up or burnt. I been watering a least twice a day as recommended since they are heavy drinkers. My ph is around 7. Do you have any suggestions, the foliage looks pretty good. Do I need prune the dead flowers? By the way this es endless summer hydrangea.
Do I add acidic soil like a normal hydrangea?
On the west side of my house there is about a 6ft wide path between my house and the fence. We are putting in a 4ft wide interlock walkway and there will be a foot and a half space between the house to the interlock that will be soil and we’d like to plant something. Zone 5. Is this enough room to put any type of hydrangea? I love the colors.
HOW DO I GET MORE BLOOMS ON MY ENDLESS SUMMER HYDRANGEA (MACROPHYLLA)?
Can I mix lime in the dirt when I plant my hydrangeas to keep them pink and red?
HOW DO I KEEP MY HYDRANGEA PINK?
WHAT FERTILIZER SHOULD I USE FOR MY VANILLA STRAWBERRY HYDRANGEA?
My roses aren’t thriving. What can I do?
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