Ferry-Morse 1131 Purple Coneflower Perennial Flower Seeds (300 Milligram Packet) This Ferry-Morse seed packet contains purple coneflowers which bloom perennially These seeds are guaranteed to grow Plant height: 30-inch to 42-inch; 60-90 days to bloom Space plants 18-inch apart; drought resistant and grows best in the full sun Includes one, 300-milligram packet