Quick answer: 18 native plants for wet soil and rain gardens are native to Louisiana, 15 with a live listing as of 16 Sep 2026.
18 species
- American holly Ilex opaca · 24 states
- Bald cypress Taxodium distichum · 16 states
- Black willow Salix nigra · 2 states
- Cardinal flower Lobelia cardinalis · 37 states
- Common elderberry Sambucus nigra ssp. canadensis · 16 states
- Eastern bluestar Amsonia tabernaemontana · 8 states
- Great blue lobelia Lobelia siphilitica · 32 states
- Green ash Fraxinus pennsylvanica · 23 states
- Hollow Joe-pye weed Eutrochium fistulosum · 14 states
- Mayhaw Crataegus opaca · 3 states
- Mountain azalea Rhododendron canescens · 9 states
- Northern spicebush Lindera benzoin · 16 states
- Royal fern Osmunda regalis var. spectabilis · 8 states
- Scarlet rosemallow Hibiscus coccineus · 5 states
- Swamp sunflower Helianthus angustifolius · 15 states
- Titi cyrilla Cyrilla racemiflora · 5 states
- Virginia iris Iris virginica · 9 states
- Water oak Quercus nigra · 4 states