Growth Habit: Great Lakes lettuce forms tight, round heads similar to cabbage. It is a cool-weather crop that thrives in spring and autumn.
Days to Maturity: Typically, it takes about 80-90 days to mature in spring/summer and 90-100 days in autumn/winter.
Planting: It prefers full sun but can tolerate partial shade, especially in hotter climates. Space the plants about 20-30 cm apart in fertile, well-drained soil.
Watering: Keep the soil consistently moist to prevent bitterness and ensure a crisp texture.
Fertilization: Regular feeding with a balanced fertilizer will support healthy growth.
Harvesting: Harvest when the heads are firm and fully formed. The leaves are excellent for salads, sandwiches, and garnishes.