Quick answer: 43 butterfly and moth host plants are native to Louisiana, 39 with a live listing as of 16 Sep 2026.
43 species
- American elm Ulmus americana · 4 states
- American holly Ilex opaca · 24 states
- American hornbeam Carpinus caroliniana · 29 states
- American wisteria Wisteria frutescens · 14 states
- Bald cypress Taxodium distichum · 16 states
- Big bluestem Andropogon gerardii · 25 states
- Birdfoot violet Viola pedata · 14 states
- Black cherry Prunus serotina · 32 states
- Black walnut Juglans nigra · 33 states
- Black willow Salix nigra · 2 states
- Black-eyed Susan Rudbeckia hirta · 42 states
- Boxelder Acer negundo · 14 states
- Butterflyweed Asclepias tuberosa · 37 states
- Common persimmon Diospyros virginiana · 17 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Farkleberry Vaccinium arboreum · 5 states
- Flowering dogwood Cornus florida · 22 states
- Green ash Fraxinus pennsylvanica · 23 states
- Honey locust Gleditsia triacanthos · 9 states
- Indigo bush Amorpha fruticosa · 16 states
- Inland sea oats Chasmanthium latifolium · 3 states
- Loblolly pine Pinus taeda · 14 states
- Mexican plum Prunus mexicana · 4 states
- Northern spicebush Lindera benzoin · 16 states
- Pawpaw Asimina triloba · 17 states
- Post oak Quercus stellata · 9 states
- Red maple Acer rubrum · 30 states
- Sassafras Sassafras albidum · 22 states
- Shortleaf pine Pinus echinata · 9 states
- Shumard oak Quercus shumardii · 5 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Smooth hydrangea Hydrangea arborescens · 12 states
- Smooth sumac Rhus glabra · 34 states
- Southern live oak Quercus virginiana · 13 states
- Southern red oak Quercus falcata · 6 states
- Switchgrass Panicum virgatum · 24 states
- Trumpet vine Campsis radicans · 24 states
- Virginia creeper Parthenocissus quinquefolia · 27 states
- Water oak Quercus nigra · 4 states
- White fringetree Chionanthus virginicus · 14 states
- White oak Quercus alba · 33 states
- Willow oak Quercus phellos · 16 states
- Yaupon holly Ilex vomitoria · 7 states