Blanketflower (Gaillardia aristata) is a drought-tolerant native perennial with bicolor red-and-yellow blooms banded in orange or crimson, sold here as a seed pack covering about 10 sq ft. At a glance Variety: Blanketflower (Gaillardia aristata), open pollinated Type: Native, drought-tolerant perennial Coverage: Pack covers approx. 10 sq ft broadcast (approx. 412 seeds) Planting depth: 1/8" Sun: Full sun Spacing after thinning: 12" Height at maturity: 2' to 3' USDA zones: 3 to 10 Best for Drought-tolerant and xeriscape gardens Pollinator plantings that attract bees and butterflies Cut-flower bouquets Dry, sandy soils and prairie-style beds Low-water, low-fuss color How to grow Sow in fall or spring at 1/8" deep, preferably in dry, sandy soil; germination takes 15 to 45 days. Thin to 12" apart and grow in full sun with light water. Plants bloom from mid to late summer through fall and make excellent cut flowers. About Grow Organic Grow Organic offers a wide range of organic gardening supplies, from seeds and fertilizers to tools and growing essentials, supporting home gardeners and small farms alike.