jacobs lader - polemonium caeruleum knows as greek valerian

beautiful beauty bell bloom blooming blossom blue botanical caeruleum close-up closeup coeruleum cup flora floral flower flowerbed food garden grassland greek growing herb herbaceous honey insect jacob's jacob's-ladder jacobs ladder lavender-blue leaf lilac meadow medicinal microcosm nature ornamental outdoor outdoors park perennial petal plant polemoniaceae polemonium pollinating produce purple shrub spring stamen summer summertime sunlight valerian variegates vegetable wildflower