Cosmos Radiance embodies the timeless beauty that has made cosmos a beloved garden classic. Deep wine-red petals create a striking contrast with bright yellow centers, delivering rich color and visual warmth that transforms any landscape. This iconic combination has captivated gardeners for generations, and now it's yours to grow. Growing to an impressive 3-5 feet tall, Cosmos Radiance makes a bold architectural statement in garden beds, borders, and cutting gardens. The tall, graceful stems produce abundant blooms perfect for fresh flower arrangements that bring lasting elegance into your home. Mass plant them for dramatic impact or integrate them into mixed borders for sophisticated color layering. Remarkably easy to grow, Cosmos Radiance is perfect for gardeners of all skill levels, from complete beginners to seasoned veterans. Simply sow seeds, water regularly, and watch these hardy plants flourish with minimal intervention. They adapt well to various soil conditions and climates, rewarding you with consistent, reliable performance season after season. With blooms appearing in approximately 100 days, you'll enjoy extended flowering from midsummer through frost. The dependable 60% or better germination rate ensures strong establishment and prolific blooming that fills your garden with color. Each packet contains 50 non-GMO heirloom seeds packaged in sustainable, environmentally responsible materials that are reusable and recyclable. Choose Cosmos Radiance to grow a timeless classic, create stunning garden compositions, and embrace eco-conscious gardening practices that benefit your landscape and the planet.

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David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.

David's Garden Seeds® is a member of the GO TEXAN agriculture program.

We cannot possibly put all the directions you need for growing cosmos flowers in your area on the seed package. We recommend that you read articles or check with other gardeners in your area.

This is an heirloom seed, meaning it has been passed down from generation to generation for at least 75 years. As a rule, heirloom seeds taste better and will grow the same year after year.

These are also open pollinated meaning they will reproduce themselves. While all heirlooms are open pollinated not all open pollinated seeds are heirlooms.

Freshly Packed: These seeds are packed for the current growing season and will provide high germination rates next year as well.