Answer: cornflowers

AnswerCrossword Clue
CORNFLOWERSOrnamental plants
cornflowersA deep, vivid blue color
cornflowersA slender Eurasian plant related to the knapweeds, with flowers that are typically a deep, vivid blue
cornflowersCORNFLOWER, a beautiful blue-flowered cornfield weed of the Compositae