- You will get 2001+ Seeds of Hot Pink Petunia Flower Seeds. - Seller Notes “Petunia X violacea (Solanaceae). U.S. Grown seed. Tested 1/23-Germination-94%.Packed 1/23.”. - Planting Time: 8 Weeks. - Soil Type: Clay, Loam, Peat, Sand. - Life Cycle: Annual. - USDA Hardiness Zone (°F): 12 (50 to 60 °F). - Soil pH: Neutral. - Watering: Light. - Sunlight: Partial Shade, Full Sun, Medium Sun. - Hot Pink Petunia. Easy to grow from seed. This strain of petunia has 21/2" flowers. No two flowers are the exactly the same. With steady medium water and a little fertilizer, petunias will bloom from late spring into fall. Usually grown in containers or hanging baskets, petunias also do well as a ground cover spreading out about 2' in each direction and getting about 12" tall. Fun and easy to grow. U.S. Grown. 2000+ Quality seeds. Thank You!. - Petunia X violacea (Solanaceae). - Annual. - Full sun/Partial sun. - Spring, soil temp 68F+. - SOW 1/16"deep, 2"apart. Keep moist. - Germ 7-14 days. - Medium water and light fertilizer. - Flowers are bright pink. Blooms late spring through fall.