Lettuce Leaf Black Seeded Simpson
Since 1850, ‘Black Seeded Simpson’ has been a garden favorite for quality, texture, and flavor. Full-sized, frilly leaves can be picked in just over a month, and baby greens can be harvested in 3 weeks! Withstands hot, dry conditions and light frosts better than other varieties.
Variety Info
- Days to Maturity: 21 – 40 days
- Family: Asteraceae
- Type:
Leaf Lettuce - Native:
Unknown; lettuce has been in cultivation for a long time. - Hardiness: Frost-tolerant annual
- Exposure: Full sun to part shade
- Plant Dimensions: 8″ tall, 10″ wide
- Variety Info: Crinkled, light green leaves with frilly edges. Crisp leaves at center of plant blanch almost white when the plant is allowed to grow to full maturity.
- Attributes:
Frost Tolerant
Sowing Info
- When to Sow Outside: RECOMMENDED. 2 to 4 weeks before your average last frost date, and when soil temperature is at least 40°F, ideally 60°–70°F. Successive Sowings: Every 3 weeks until 4 to 6 weeks before your average first fall frost date. Mild Climates: Sow in fall and winter for cool season harvests.
- When to Start Inside: 4 to 6 weeks before your average last frost date, and in summer when soil temperatures are too warm (above 80°F) to germinate lettuce seed.
- Days to Emerge:
5–10 days - Seed Depth: Surface to â…›”
- Seed Spacing:
A group of 3 seeds every 10″ - Row Spacing: 12″
- Thinning: When ½” tall, thin to 1 every 10″
