thistle in a poisonous weed purple viper's-bugloss meadow.

flower plant wildflower meadow herb prairie lilac field grass purple lavender grassland nature shrub crop garden blossom background beautiful bloom blooming blossoming botanical bright bunch color colorful covered day decoration echium plantagineum environment flora floral fresh golden green grow growth invasive weed lawn light outdoor park paterson's curse petal pink poisonous viper's-bugloss season spring springtime thistle toxic wallpaper yellow spain meadow