- You Will Get 100 Seeds Of Blue-Eyed Grass, Flowering Perennial Flower Seeds. - Perennial. - 6-8" tall. - Blue flower with yellow center. - Full Sun or part shade. - Hardy zones 3-10. - Produces grassy leaves with small, 6-petal blue flowers that have a yellow eye. - Blooms in the summer. - Great for naturalizing or borders. - It is actually a variety of Iris.