200 COSMOS SEA SHELLS SEASHELLS Cosmos Bipinnatus Flower Seeds BLOOM TIME: Summer - Fall HARDINESS ZONE: Annual (but reseeds itself easily, so it acts like a perennial in all zones) PLANT HEIGHT: 24 - 36" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average - Dry Cosmos are easy to grow, grow quickly, are very tolerant, and bloom all season long. They are a perfect choice for childrens gardens or for beginners. The Sea Shells are the most unique of the Cosmos flowers with an array of stunning colors and the two-toned look given to them by their tube shaped petals. They also attract bees, birds, and butterflies.