Cavolo di Napoli is a widely adapted, medium size head lettuce. The heart is crisp and blanches to pale green. Plant in late summer for autumn harvests. 80 days.
15,000 seeds/oz.; 7-14 days, 50-70°F.
Can be started early indoors or directly in the garden. Grows best in cool weather, 55-60°F.
Seeds go dormant at temperatures above 85°F.