Quick answer: 53 native Louisiana plants have a recorded bloom range that includes June.
53 species
- American beautyberry Callicarpa americana · 10 states
- American holly Ilex opaca · 24 states
- American wisteria Wisteria frutescens · 14 states
- Birdfoot violet Viola pedata · 14 states
- Black cherry Prunus serotina · 32 states
- Black locust Robinia pseudoacacia · 12 states
- Black willow Salix nigra · 2 states
- Black-eyed Susan Rudbeckia hirta · 42 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 elderberry Sambucus nigra ssp. canadensis · 16 states
- Common persimmon Diospyros virginiana · 17 states
- Common yarrow Achillea millefolium · 31 states
- Coral honeysuckle Lonicera sempervirens · 16 states
- Coralberry Symphoricarpos orbiculatus · 20 states
- Devil's walking stick Aralia spinosa · 14 states
- Eastern purple coneflower Echinacea purpurea · 22 states
- Farkleberry Vaccinium arboreum · 5 states
- Flowering dogwood Cornus florida · 22 states
- Green ash Fraxinus pennsylvanica · 23 states
- Honey locust Gleditsia triacanthos · 9 states
- Indian blanket Gaillardia pulchella · 18 states
- Indigo bush Amorpha fruticosa · 16 states
- Inland sea oats Chasmanthium latifolium · 3 states
- Lanceleaf coreopsis Coreopsis lanceolata · 28 states
- Lemon beebalm Monarda citriodora · 15 states
- Loblolly bay Gordonia lasianthus · 5 states
- Lyreleaf sage Salvia lyrata · 2 states
- Mexican hat Ratibida columnifera · 17 states
- Northern catalpa Catalpa speciosa · 9 states
- Oakleaf hydrangea Hydrangea quercifolia · 6 states
- Pale purple coneflower Echinacea pallida · 9 states
- Pink evening primrose Oenothera speciosa · 8 states
- Plains coreopsis Coreopsis tinctoria · 16 states
- Roughleaf dogwood Cornus drummondii · 3 states
- Sideoats grama Bouteloua curtipendula · 25 states
- Silky camellia Stewartia malacodendron · 2 states
- Smooth hydrangea Hydrangea arborescens · 12 states
- Smooth sumac Rhus glabra · 34 states
- Sourwood Oxydendrum arboreum · 14 states
- Southern magnolia Magnolia grandiflora · 10 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 creeper Parthenocissus quinquefolia · 27 states
- Virginia saltmarsh mallow Kosteletzkya pentacarpos · 4 states
- Virginia sweetspire Itea virginica · 6 states
- White fringetree Chionanthus virginicus · 14 states