Black Seeded Simpson Lettuce (Heirloom, 46 Days)

Heirloom 1875. The Black Seeded Simpson Lettuce is an old favorite introduced by Henderson Seed Company. Light green frilly leaves, a loose head, and very dependable. Small leaves can be harvested very early. 

300 seeds

PLANTING

Lactuca sativa

Germination: 4-10 days

Germination Temperature: Optimum soil temperatures 60-75ºF. Soil above 75ºF. inhibits germination.

Seed Sowing Depth: ¼ inch deep

Outside Sowing: Spring when the soil temperature reaches at least 50ºF. Sow 1” apart, thin to 6-12”, depending on the size of lettuce you want, baby to full heads. Keep soil moist during germination. Sow every 2-3 weeks for a longer harvest period. Sow heavy seeded rows every 10-14 days for baby greens using 1 oz. Pinetree Lettuce Mix.

Starting Indoors:  3-4 weeks before planting outside. Sow 2-3 seeds per cell/pot, thinning to one per cell/pot. Provide 60-70 ºF. soil temperatures. Transplant out, 8-12” apart in rows 12” apart.

How much does a packet plant: 25-foot single row  

Harvest: Cut whole heads at the base or snipe off individual leaves.  

Tips: The Black Seeded Simpson Lettuce needs fertile soil for optimum growth. Work in compost or well-rotted manure into your soil before planting. Provide adequate, even moisture for the best growth. Mulching helps retain moisture.