Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
Could it be some type of Pokeweed? Flower stalk looks similar but is more upright than the kind that grows here.
I agree, cut off all the seed stalks and stay in control until you know what you have.
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"