Except for crisphead types (like iceberg lettuce), most lettuce ... inner leaves have room to continue growing. That being said, you can also harvest the entire head at once, though it will ...

Romaine lettuce and iceberg lettuce are both popular greens ... on a sunny windowsill but it won’t produce a full head. Can you grow Romaine lettuce in water? Yes, Romaine lettuce can be grown ...

Sow seeds directly into the ground or into raised beds or containers. Lettuce seeds are tiny and should be planted ...

By growing your own ... such as 'Cos', 'Iceberg' and 'Butterhead', there are many others to try, including loose-leaf types and oak leaf lettuce, radicchio, rocket and endive.