Mixed varieties Nasturtium seeds These old-fashioned edible flower favorites bloom in ordinary garden soil to fill garden beds, borders or window boxes with mounding blue-green leaves and spurred flowers in a range of bright summer colors. Blooms all season. Thrives even in poor soil. Light Full sun Bloom time All season Plant spacing 8-12 inches Planting depth 1 inch Days to germination 9-12 Plant height 12 inches Gardener\’s Notes:Plant directly outdoors in spring when night temperatures reach 50F (10C), or start seeds early indoors 3-4 weeks before last frost. Grow in a sunny spot (in hot climates, plant in light shade) in average, well-drained soil. Sow seeds 1 inch deep and 4-6 inches apart. Keep soil moist, especially during dry periods. Thin young seedlings 8-12 inches apart so they have room to mature. Nasturtiums need no added fertilizer.