RIDE THE WAVE: Petunia 'Blue Wave': Bred for garden performance, this trailing annual is capable of spreading its vigorous stems 3 to 4 feet in one growing season. This plant is covered with trumpet-shaped, velvety blue blooms throughout the growing season. In a container, 'Blue Wave' will trail and flower in spite of hot, dry growing conditions. On a slope or hillside, it will create a carpet of blue flowers. Easy to grow and blooms freely.