"That would depend on which zone 8A--Penscaola, FL or Astoria, Oregon? Or? Need to know your temp extremes to offer suggestions that would work for you. Summers between Pensacola and Astoria are hugely different."
"I grow them in two spots under my eaves here in the Pacific NW. They moved themselves by reseeding out from under the roof! The happier of the two likes dry, hot but afternoon shade. I cut them back after flowering & they grew new leaves again…"