Blossoming Questions

My Endless Summer Hydrangea bushes are producing smaller, but many, blooms. These bushes have always produced much larger blooms which I prefer. Is there something I can do to get the larger blooms again next year? I should state we were making the mistake of cutting these bushes down to the ground each fall, so were getting very few blooms. Last year we did not cut them back at all and I have plenty of blooms but small in size. Hoping there is a way to get lots of the big ones again!
Why do the blooms only flower around the edges and the buds not open in the middle?
First time with a summer crush hydrangea. Planted in most sun . Been 2 months doing great. Just wondering if should cut off the dead blooms. Or should I say discolored faded ones.?? They still look ok and I read on the tag. The less you prune the better ??? So just wasn’t sure??
Where on the endless summer stem do I cut the blooms when I want to use in vases or because the bloom is spent and needs to be removed?
I just bought 2 of “The Original” and noticed some of blooms are turning brown. I’m not sure if I’m adding too much water or not enough water. They are planted in containers with good drainage and the soil is moist. They now only get morning sun. I just moved them so they aren’t getting sun all day long. Suggestions would be appreciated! I live in NY.
How many months of the year in moderate temperature Northern CA do The Original and BloomStruck hydrangeas bloom?

I planted my Endless Summer Hydrangea about 2 weeks ago and it did really well for the first week and now it’s becoming less and less healthy.
 When I planted the hydrangea the tag said it would tolerate full or partial sun, so I planted it an area that receives full sun for about 10 hours a day. I also put a small amount of the fertilizer into the hole. I have watered it well daily since i planted it. The leaves and blooms are turning purplish and then brown and dry. I trimmed the dead leaves and blooms off very carefully and it’s continuously declining.
I’m thinking I should transplant it to an area with more shade and am wondering if this would be ok to do if it’s done at a time of day that is not sunny and hot.
I’ve had my hydrangea for 4 years and no blooms. It looks healthy not sure what I’m doing wrong.
How do i cut off a flower from my BloomStruck hydrangea? Where do I cut it? At the base or near the top?? Help!
I live in zone 8a. Can my BloomStruck take 6 hours of direct sun and evening shade?
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