Echinacea Seeds - Bravado70 84 days. Bravado echinacea seeds grow one of summer's most celebrated and resilient blooms boasting classic 4 5 rosy pink daisy like coneflowers. Bravado is easy to grow from seed and a perfect complement in the garden splashed among daisies, rudbeckias, and wildflower mixes. Echinacea is a proven garden performer known for its weed like tolerance to heat, drought, and poor soils. Bravado echinacea seeds are native to the Mississippi and Ohio