Flower Petunia Laura Bush Formula Blend DGS30108A (Multi Colors) 500 Seeds by David's Garden Seeds Days to Maturity: 55 to 65 Non-GMO, easy to use and hand packed here in the United States The Laura Bush Petunia scoffs at extreme summer temperatures This rugged old-fashioned petunia variety was bred for heat tolerance and disease resistance Germination rate: 70%