See the light, choose Prism! VERY Large Flowered, VERY Early Flowering, VERY Compact. Prism is not just another Grandiflora Petunia series. Prism is very early flowering with massive blooms, setting it apart from the competition. Add to that a naturally compact habit, uniform finishing across an outstanding colour range, and Prism is the only series of Grandiflora Petunia to choose! The award winning Prism Sunshine further enhances Prism's wide colour range, as do the veined 'Sundaes' - Uniquely matching the standard colours for compactness and flowering time. A real breakthrough!