Q.What Is The Best Region To Grow Coxcomb Flowers? Are There Different Varieties?
I have a cut red coxcomb and it is not pointed; it looks like a brain. I am in region 7b.

Certified GKH Gardening Expert
There are many varieties of cockscomb. It is considered an annual so it can be grown anywhere where the summers have at least 5 hours of full sun a day.
https://plants.ces.ncsu.edu/plants/celosia-argentea/
https://www.gardeningknowhow.com/ornamental/flowers/cockscomb/growing-flamingo-cockscomb.htm
https://www.gardeningknowhow.com/ornamental/flowers/cockscomb/celosia-plants-are-dying.htm