Blossoming Questions

My Endless summers are doing well but have branches sticking up that don’t have leaves or buds. Should I cut these branches?
My endless summer hydrangeas does not have any buds on it. What is wrong with it?
Where is the best place to plant my endless summer. I’m thinking east or south? And little more detail like 6-8 hours of morning sun?
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?
My endless summer hydrangea is looking a little bit wilted. Some of the flower buds are bending down. I felt the soil and it is moist. We had a thunderstorm last night with strong wind for about 1-2 hours. Could that be the reason why? Is there anything I should do at this point? Thank you and any insight is appreciated:)

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.
My Endless Summer hydrangea ‘The Original’ is placed in a location where it gets a lot of sun and by 6-7pm gets shade. How much sunlight can they handle?
Where can I find the purple lace endless summer hydrangea I really want one.
I didn’t prune my Endless Summer last fall or this Spring. I am getting new growth on almost all of my stems. Can I NOW cut some of the stems back to a new growth? It seems when I think about doing that and look at them I see more growth popping up further up the stems almost to the top.
I’m looking for planting and care info on Endless Summer Hydrangea.
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