Sold in a 10" pot. A wonderful addition to the landscape and containers can be grown from Purple Millet seeds. This award-winning new Ornamental Millet grass offers spring leaves of bright chartreuse that mature through all shades of red and bronze into a burgundy-purple. Millet is a dense, bushy ornamental grass that is topped with long, dramatic purple seed-heads. -plants are green and require sufficient warmth, purple pigmentation occurs when plants are exposed to full sun.