91-105 days maturity. Rudbeckia hirta. Rudbeckia Goldilocks Seeds. Non-GMO, Perennial. Ornamental. Goldilocks seeds grow a tidy yet spectacular twist to the traditional daisy-like rudbeckia. Goldilocks seeds mature as neat 15-inch tall dwarf plants with generous 3-4 inch sunburst yellow semi-double and fully double blooms. Goldilocks rudbeckia debuted as a Fleuroselect Gold Medal Winner for its "masses of large double and semi-double flowers" and being "very adaptable and performing well in most soil types and climatic conditions." Rudbeckia Goldilocks seeds are an ideal plant for window boxes, baskets, and indoors or hardy enough to fill out a flower bed for rich, abundant color up until the frost. About 62,000seeds per ounce.