Leave 18 to 24 inches between rows. When seedlings are 3 to 4 inches high thin to 8 to 12 inches apart. Keep soil moderately moist during germination. Ed's Special Advice Start cutting outer leaves when plants are about 8 inches tall for extended harvest. New leaves will grow out from the center.
Plants grow best in relatively moist fertile soil.
Grow during the cooler part of the growing season. Plant in late summer for fall crop. Use leaves from young thinned plants in salads.