- You Will Get 100 Seeds Of Yellow Gaillardia Aristata (Blanket Flower / Indian Blanket) Flower Seeds. - Description: - Name: Yellow Gaillardia. - Other Common Names: Blanket Flower / Indian Blanket. - Scientific Name: Gaillardia Aristata. - Color: Yellow. - Plant Seeds: Outdoors After Frost / Indoors Weeks Before Last Frost. - Plant Height: 12 - 24". - Plant Spacing: 15 - 18". - Bloom Time: Summer – Fall. - Hardiness Zone: 2 – 10. - Light Requirements: Sun. - Soil & Water Preferences: Average – Dry.