UNTREATED. OPEN-POLLINATED. HEIRLOOM.
Lactuca sativa var longifolia | 100 seeds per packet
Sow seeds direct or raise seedlings in a protected area (in a greenhouse or indoors). Sow seeds approximately 3 to 6mm deep. Start seeds in spring, autumn, or summer*. Germination occurs within 7 to 14 days, at an ideal temperature of 10 to 25°C. Leave 30cm between transplanted seedlings or sown seeds, and approximately 50cm between rows of Romanian Red Cos Lettuce. Romanian Red Cos Lettuce reaches full maturity within 65 to 70 days.
*Sowing times may vary depending on your climate. See our planting guide for Romanian Red Cos Lettuce below.
Cool Climates: September to May
Temperate Climates: January to December
Arid Climates: March to September
Subtropical Climates: January to May
Tropical Climates: April to November