PETUNIA - ULTRA SERIES (PELLETED) Height 14 to 16 inches. Spread 18 to 20 inches. This popular petunia produces large 7 to 10 centimeter, ruffled flowers. Good pack performance with compact habit, little pendency to stretch and good earliness to bloom. Petunias are annual flowering plants, native to Argentina. Within the petunia family is great variety: single and double blooms, ruffled or smooth petals, striped, veined or solid colors, mounding and cascading habits and even some fragrance. Season: Annual USDA Zones: 3 - 8 Height: 14-16 inches Bloom Season: Late spring through fall Bloom Color: Rose Environment: Full sun to partial shade