It might be purpletop (tridens flavus), with those long dried stems. It is native to most of the states in the East. The plants in my garden look similar to that in your picture, although there are jillions of grasses out there.

Another it might be is Johnson Grass, Sorghum halepense.

johnson grass has purple stolons that are pretty distinctive. BUT I have ripped out Purple top thinking it was Johnson grass. There is a learning curve.

well it is not in the way, It is on a new property we will be moving to in the fall, so I can wait and see. When will I know if it is purple top? I am not familiar with grasses at all.

Johnson grass blooms in the summer and prtpletop blooms in the fall. Their inflourescens are much different. Google images. The stolon on the johnson grass id segmented kinda like bamboo.

Could it be a Miscanthus? Very invasive in upstate SC, mountains of NC.