Leaf lettuce can grow in smaller containers than head lettuce. For leaf lettuce, you need a container at least 12 inches wide and 6 inches deep. To grow head lettuce, you need a container that’s ...

Salad greens need plenty of sunlight to grow—typically around six hours ... to harvest within 20-30 days after planting. Loose leaf lettuce can take longer, up to 40-50 days, unless you want ...