~ Tidal Wave Purple * Trailing Petunia * 20 Pelleted Seeds This is for 20 "Pelleted SEEDS" for the 2015 season, instructions included. " Tidal Wave Purple Petunia " The "Tidal Wave" Petunia's are an aggressive grower, almost a "shrub like" shape that holds all summer long. They recover quickly after rain and spread like a ground cover, a vigorous growing plant. Color: Purple Plant Habit: Mounding & Spreading Uses: Hanging baskets, ground covers, large containers, anywhere for them to drape over