![]() ![]() When planting outdoors, pinch the young seedlings back to encourage branching. Harden young plants for 10 - 14 days before planting outdoors after last frost date. ![]() Five or six weeks after sowing the seeds, transplant the seedlings into 3 inch pots, and grow on in cooler temperatures with plenty of light. Placing the trays or containers on top of the refrigerator is beneficial as the heat from the appliance keeps the flower seeds consistently warm. The flower seeds are extremely tiny, so press them gently onto the soil surface without covering, and keep the soil wet for the best germination. Direct sow petunia seed after the last frost and as soon as the soil is warm in spring or start seeds indoors 10 to 12 weeks before the last frost and. How to Grow Petunias from Seed: Sow Petunia Grandiflora seeds indoors 10 - 12 weeks before planting out. Petunia flower care includes: deadheading faded flowers for best display and to keep it full of color all season long and fertilizing regularly with a balanced liquid fertilizer. They perform best in fertile, well-drained soil kept evenly moist. The flowers love sun, and in the hottest climates, they do well with some afternoon shade. This blue flower has 4 inch trumpet-shaped blooms that are an intense violet-blue. These flowers have many uses including, flower beds, baskets and containers of all kinds! They establish easily from Petunia seeds, and they perform from late spring until frost. Petunia do so well planted in containers or in ground.Petunia ( Petunia Grandiflora F1 Single Position Blue) - No flowers are more well-known and loved than Petunias. With a little care and attention, you can easily grow beautiful petunias from seed. Resist the urge to cover the seeds with soil, petunia seeds need light to germinate. ![]()
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