seamless cornflower and wheat spikelet pattern. watercolor floral background with blue knapweed, bluett and oats spica for textile

background beautiful beauty bloom blossom blue bluett botanical bud color cornflower decoration design fabric field flora floral flower garden gold green illustration knapweed leaf natural nature oats ornament pattern petal plant print prints romantic rustic seamless spica spikelet spring stem summer textile texture wallpaper wallpapers watercolor wheat white wildflowers yellow