Cos Lettuce (Lactuca sativa) - Parris Island Cos Lettuce (Lactuca sativa) - Parris Island  Ref: 421
Seeds per packet (approx.): 350
Minimum Germination Temp: 2°C
Optimum Germination Temp: 24°C
Maximum Germination Temp: 30°C
Sowing Depth: 0.3cm
Greenhouse - earliest: March
Greenhouse - latest: April
Garden - earliest: March
Garden - latest: April
Field Sowing: March - April
Transplant to Garden: April - May
Planting Separation: 20 - 30cm
Sun / Shade: sun
Harvest start: April
Harvest end: June