Lettuce Black Seeded Simpson Organic seeds yield a classic loose-leaf variety renowned for early maturation and exceptional reliability. These certified organic seeds produce large, upright plants with crumpled, light green leaves that maintain tenderness and mild flavor throughout their growth cycle. Maturing rapidly in 45-50 days, this heat-tolerant heirloom demonstrates impressive bolt resistance and adaptability to variable growing conditions. Ideal for early spring planting and succession sowing, Black Seeded Simpson thrives in moderately fertile soil with consistent moisture, providing continuous harvests of nutritious greens.