Lupinus texensis , ordinarily known as the Texas Bluebonnet , is a member of theLupinusgenus within the Fabaceae ( or Leguminosae ) folk , which is usually referred to as the pea or legume household . This coinage is an one-year plant noted for its vivid blue flowers , although variations in color can let in white , pinkish , and maroon . The genus name “ Lupinus ” is derived from the Romance intelligence “ lupus , ” intend wolf , from the old opinion that these plants depleted soil nutrients , akin to a masher ’s ravenous nature . However , lupines actually contribute to grease fertility through nitrogen fixation .
Lupinus texensis is native to Texas , particularly thriving in the central and southerly parts of the state of matter . Its born habitat includes prairie , overt woodlands , and sick areas where it can capitalise on well - drained , sandy or loamy grunge . It ’s peculiarly iconic along Texas main road where it has been planted as part of wild flower enhancement programs .
The Texas Bluebonnet has a rich story intertwined with the state ’s identity operator . In 1901,Lupinus subcarnosuswas first declared the body politic flush of Texas , but due toLupinus texensisbeing more widespread and darling , the Texas Legislature amended the constabulary in 1971 to let in all native species of Lupinus as the State Department flower , acknowledgingLupinus texensisas the most recognized . The buffalo clover has since become a symbolic representation of Texas pride , boast in art , lit , and as a backdrop for countless family exposure during its meridian blooming season in spring . Its advancement was significantly influence by Lady Bird Johnson , who defend wildflower beautification along highways . Legends and folklore also surround the Texas bluebonnet , with storey like the tale of a aboriginal American girl who scatter Texas bluebonnet seeds in sacrifice for rain , enhancing its cultural significance .
Lupinus texensis is adapted to USDA Hardiness Zones 4 through 8 , though as an annual , it ’s more about where conditions are suited for its growth rhythm than winter hardiness . It thrives in environment that mimic its native Texas home ground , with full sun exposure and well - drained soils . In these geographical zone , in particular from later wintertime through early leap , Texas bluebonnet can carpet landscape with their gamy hue , attracting pollinator and sum to the ecological richness of the area . Its penchant for cool temperatures for sprouting and ontogenesis means it ’s most spectacular where spring comes with mild , fluctuating weather before the heat of summer sets in .
