Toxic annual
Texas Bluebonnet
Lupinus texensis
Full sun
789
Oklahoma spans USDA zones 6–8 across diverse habitats. Below are 22 native species — wildflowers, grasses, shrubs and trees adapted to Oklahoma's climate and soils.
Lupinus texensis
Echinacea purpurea
Helianthus annuus
Rudbeckia hirta
Cornus florida
Asclepias tuberosa
Cercis canadensis
Castilleja indivisa
Heuchera americana
Coreopsis grandiflora
Schizachyrium scoparium
Achillea millefolium
Monarda fistulosa
Panicum virgatum
Ratibida columnifera
Taxodium distichum
Callicarpa americana
Solidago canadensis
Andropogon gerardii
Callirhoe involucrata
Cephalanthus occidentalis
Opuntia humifusa