beautiful little blue flowers of the comfrey, symphytum officinale, is used in organic medicine

background bieb bloom bloomer blossom blossoms blue bone boraginaceae botany caucasicum closeup colorful comfrey cultivated floral flower flowers garden grass green health herb herbaceous herbal july knit leaf may meadow meadows medicinal medicine much natural nature officinale organic ornamental outdoors perennial petal plant purple season selective spring symphytum violet wildflower