98-105 days. Frost Series seeds grow a delightful, unique, and lively variation to the world famous single-colored petunia. Frost petunia seeds deliver dazzling 3-4 inch wide bicolored blooms with an even white "picotee" lining in a signature choice of Velvet, Cherry, Fire, Blue, or Mix. Frost petunia seeds mature into hardy 12-15 inch mounds suitable for window boxes, hanging baskets, or for showing off outside in the flower bed. Frost Series petunia seeds promise early spring blooming and pollinators and will thrive as perennials in moderate, warm winters. Pelleted seeds.