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Lettuce Black Seeded Simpson

Lactuca sativa

Lettuce Black Seeded Simpson is a fast-growing, early-maturing variety known for its light green, ruffled leaves and delicate texture. This loose-leaf lettuce is highly tolerant of varying conditions, thriving in full sun to partial shade and well-drained soil. Ideal for spring and fall gardens, it produces a continuous harvest of tender, crisp leaves with a mild flavor. Its heat tolerance and bolt resistance make Black Seeded Simpson a popular choice for both beginner and experienced gardeners.

$3.45

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Plant Data
Growing Instructions
Plant Data
Zones:  Annual - Grows in all zones, 3, 4, 5, 6, 7, 8, 9
Growth Cycle:  Annual
Light:  Full Sun, Full Sun to Partial Shade
Water Needs:  Moderate
Color: 
Soil:  Tolerant of most soils, Chalky, Saline, Peaty, Sandy, Loam, Silty, Clay
Growth Rate:  Fast, Fast to Moderate
Maturity - (Vegetables Only):  45 - 50 Days, 50 - 55 Days
Edible:  Yes.
Height:  Up to 2 Feet, Up to 3 Feet, Up to 4 Feet, Up to 5 Feet
Evergreen:  No
Special Features:  Fodder and Wildlife , Fast Growing,Self Seeding, Container Growing
Warnings:  Uknown - Let us Know
Growing Instructions
How to Germinate Lettuce Black Seeded Simpson

How to Germinate Lettuce Black Seeded Simpson (Lactuca sativa)

  • Sow Black Seeded Simpson lettuce seeds directly outdoors in early spring or late summer for a fall harvest.
  • Sprinkle seeds on the soil surface and press them down lightly; do not cover them deeply, as they need light for germination.
  • Maintain a soil temperature of 40-75°F (4-24°C) for optimal germination, which typically takes 7-14 days.
  • Keep the soil consistently moist during the germination period, but avoid overwatering.
  • Thin seedlings to 6-12 inches apart once they are a few inches tall to promote air circulation and healthy growth.
  • If starting seeds indoors, sow them 4-6 weeks before the last expected frost and transplant them outdoors when the soil is workable.

Additional Tips

  • Lettuce prefers full sun but can benefit from partial shade, especially during hot weather, to prevent bolting.
  • Water regularly to keep the soil moist, as consistent moisture leads to tender and crisp leaves.
  • Apply mulch around the plants to help retain soil moisture and suppress weed growth.
  • Fertilize with a balanced fertilizer or compost to encourage lush growth throughout the season.
  • Harvest leaves when they are young and tender for the best flavor, using the cut-and-come-again method to prolong the harvest.
Lettuce Black Seeded Simpson

Lettuce Black Seeded Simpson

$3.45