77-84 Days to maturity. Tagetes erecta. Cracker Jack African Marigold Seeds. Non-GMO, annual, open-pollinated. Crackerjack seeds grow a vibrant golden orange and yellow mix of the famous African Marigold that promises to excite your porch, patio, and garden. Cracker Jack seeds grow summer-hardy marigolds reaching as high as 36 inches tall, showing off brilliant 3-5 inch blooms. Cracker Jack marigold is a unique, floral shop favorite used as a bright orange substitute for hydrangea. Cracker Jack African marigold seeds grow tenacious garden performers noted for large, fully double blooms and being fade resistant. ~6,100 seeds/oz.