Petunia Seeds - Supercascade Series (pelleted)98 105 days. Supercascade Series seeds will delight your garden with the largest and most robust single blooming petunias available. Supercascade seeds mature as tidy 12 15" petunias while exploding with enormous 4 5 heads ideal as a fragrant ground cover but still delicate enough to accent seasonal baskets, bouquets, or arrangements. Supercascade Series seeds grow early blooming petunias that promise to keep butterflies, bees, and other important