98-105 days. Growing Wave Series seeds this season promises to reinvigorate any stale flower bed, porch, or patio with spectacular AAS award-winning trailing petunias. Wave Series seeds grow vigorous spreading petunias reaching as wide as 24-48 inches bursting with 2 inch blooms making it a perfect decorative ground cover for rock gardens or sloping hills. Wave Series petunia are an All-American Selections (AAS) Flower Winner noted by judges for their "velvety blooms" and "no pinching or pruning needed to flower all season." Wave Series is easy to grow from seed, hardier than other petunias, and will thrive in a variety of gardens prone to heat, drought, and rain. Pelleted seeds.