Name: greene Savannah, GA (Sunset 28) (Zone 8b) I have no use for internet bullies!
Yep, not O. biennis. That stuff towers over my head!
Take a look at this one, Oenothera caespitosa.
Common names: Dwarf Evening primrose, White Tufted Evening primrose, Morning-lily, Handkerchief Plant. http://www.nps.gov/arch/learn/...
Sunset Zone 28, AHS Heat Zone 9, USDA zone 8b~"Leaf of Faith"