White Grandiflora Petunia Seeds (Super Cascade Series) 5915

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White Grandiflora Petunia Seeds (Super Cascade Series) 5915. Big 10 cm (4″) wavy blooms in a flood of bride’s white. Compact plants produce freely and are excellent for patio planters, hanging baskets as well as the garden.

How to Grow

8500-10000 seed/gram. Start seed indoors in a soil-less mix 6-8 weeks before planting out time. Since the seed is so small, leave it uncovered on the surface of the growing medium. Pelleted seed must be lightly misted after sowing until the seed coating dissolves completely or germination may not occur at all. Apply bottom heat to keep the growing medium temperature at 25 C (77 F) for the 14 day germination period. After germination, grow on under lights at a cooler temperature of 15 C (60 F) until hardening off and planting out to a sunny spot in late May. Space plants 20 cm (8″) apart in the garden.

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