Quick answer: 27 native Georgia plants have a recorded bloom range that includes September.
27 species
- Black-eyed Susan Rudbeckia hirta · 42 states
- Blue mistflower Conoclinium coelestinum · 26 states
- Brown-eyed Susan Rudbeckia triloba · 6 states
- Butterflyweed Asclepias tuberosa · 37 states
- Cardinal flower Lobelia cardinalis · 37 states
- Carolina jessamine Gelsemium sempervirens · 9 states
- Common buttonbush Cephalanthus occidentalis · 23 states
- Crimson-eyed rose-mallow Hibiscus moscheutos · 14 states
- Cutleaf coneflower Rudbeckia laciniata · 21 states
- Dense blazing star Liatris spicata · 15 states
- Devil's walking stick Aralia spinosa · 14 states
- Eastern purple coneflower Echinacea purpurea · 22 states
- Franklin tree Franklinia alatamaha · 1 states
- Green-and-gold Chrysogonum virginianum · 1 states
- Groundsel tree Baccharis halimifolia · 2 states
- Hollow Joe-pye weed Eutrochium fistulosum · 14 states
- Inkberry Ilex glabra · 4 states
- Loblolly bay Gordonia lasianthus · 5 states
- Longleaf pine Pinus palustris · 6 states
- Maypop passionflower Passiflora incarnata · 13 states
- New York ironweed Vernonia noveboracensis · 3 states
- Partridge pea Chamaecrista fasciculata · 13 states
- Spotted beebalm Monarda punctata · 14 states
- Stokes aster Stokesia laevis · 4 states
- Swamp sunflower Helianthus angustifolius · 15 states
- Trumpet vine Campsis radicans · 24 states
- Witch-hazel Hamamelis virginiana · 28 states