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Botanical Interests

Black Seeded Simpson Leaf Lettuce Seeds

Black Seeded Simpson Leaf Lettuce Seeds

Regular price $2.99
Regular price Sale price $2.99
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Product Details

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.

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  • Variety Info
  • Sowing Info
  • Growing Info

Variety Info

Days to Maturity: 21 – 40 days

Family: Asteraceae

Native: Unknown; lettuce has been in cultivation for a long time.

Hardiness: Frost-tolerant annual

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.

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 ⅛"

Seed Spacing: A group of 3 seeds every 10"

Row Spacing: 12"

Thinning: When ½" tall, thin to 1 every 10"

Growing Info

Harvesting: Harvest in the morning, by cutting off at ground level. If regrowth is desired, cut the leaves higher, at 2". For a continual supply, outer, individual leaves can be harvested at any stage of maturity, but leave at least half of the plant for regrowth.