70-84 days maturity. Echinacea purpurea. Echinacea Magnus Seeds. Non-GMO, Heirloom, Perennial. Magnus echinacea seeds grow one of the summer's most celebrated and resilient blooms. These sturdy stems and flat petals are perfect for cut flower gardens or perennial plantings. They won the 1998 Perennial Plants Association Plant of the Year Award for having large flowers with a perfect pale pink color. They were dubbed the “classic purple coneflower” to have in your garden.