The Petunia Supertunia ½ Giant Pink, 'Petunia hybrids', are brilliant in color and are very low maintenance. The Giant Pink has beautiful pink flowers. Supertunias are a vigorously trailing species of an everblooming, long-living petunia from Australia. They will provide long-term color in full sun areas throughout the season, and can grow nearly an inch a day. Supertunias grow fast and therefore need ample moisture and fertilzer.For zones 9-11, this plant can also be a perennial.