2nd-year maturity. Coreopsis grandiflora. Sunfire Coreopsis Seeds. Non-GMO, Perennial. Sunfire coreopsis seeds grow a neat yet spectacular twist on traditional seasonal favorites. Sunfire seeds mature as neat coreopsis shrubs overgrown with generous 2-inch sunburst yellow semi-double daisy-like blooms. Sunfire is a Fleuroselect Novelty Winner for "uniform and early blooming." Sunfire coreopsis seeds are the perfect grow for window boxes, baskets, and indoors or hardy enough to fill out a flower bed for rich, vibrant color up until the frost.