- You Will Get 25 Seeds Of Crystal Star White Columbine Aquilegia Caerulea Flower Seeds. - Description: - Name: Crystal Star Columbine. - Scientific Name: Aquilegia Caerulea. - Color: White. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 24 - 32". - Plant Spacing: 12 - 18". - Bloom Time: May – June. - Hardiness Zone: 3 - 9 (& Reseeds Itself Easily). - Light Requirements: Sun - Part Shade. - Soil & Water Preferences: Average. - Other: Columbines Make Excellent Cut Flowers And Attract Bees, Birds, & Butterflies. This Variety Can Rebloom!