Quick answer: 35 native Louisiana plants have a recorded bloom range that includes July.
35 species
- American beautyberry Callicarpa americana · 10 states
- Black willow Salix nigra · 2 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Blue mistflower Conoclinium coelestinum · 26 states
- Butterflyweed Asclepias tuberosa · 37 states
- Cardinal flower Lobelia cardinalis · 37 states
- Carolina allspice Calycanthus floridus · 5 states
- Carolina jessamine Gelsemium sempervirens · 9 states
- Clasping coneflower Dracopis amplexicaulis · 2 states
- Common yarrow Achillea millefolium · 31 states
- Coralberry Symphoricarpos orbiculatus · 20 states
- Devil's walking stick Aralia spinosa · 14 states
- Eastern purple coneflower Echinacea purpurea · 22 states
- Great blue lobelia Lobelia siphilitica · 32 states
- Hollow Joe-pye weed Eutrochium fistulosum · 14 states
- Indian blanket Gaillardia pulchella · 18 states
- Inland sea oats Chasmanthium latifolium · 3 states
- Lemon beebalm Monarda citriodora · 15 states
- Loblolly bay Gordonia lasianthus · 5 states
- Mexican hat Ratibida columnifera · 17 states
- Oakleaf hydrangea Hydrangea quercifolia · 6 states
- Pale purple coneflower Echinacea pallida · 9 states
- Pink evening primrose Oenothera speciosa · 8 states
- Roughleaf dogwood Cornus drummondii · 3 states
- Scarlet rosemallow Hibiscus coccineus · 5 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Smooth hydrangea Hydrangea arborescens · 12 states
- Smooth sumac Rhus glabra · 34 states
- Sourwood Oxydendrum arboreum · 14 states
- Spanish dagger Yucca aloifolia · 4 states
- Standing cypress Ipomopsis rubra · 6 states
- Stokes aster Stokesia laevis · 4 states
- Titi cyrilla Cyrilla racemiflora · 5 states
- Trumpet vine Campsis radicans · 24 states
- Virginia saltmarsh mallow Kosteletzkya pentacarpos · 4 states