Endive leaves are crisp and juicy, with a delicate flavour complemented by noticeable bitter notes. Many people may find this a downside and choose to overlook endive, yet it truly is worth trying.

Loose-leaf lettuces need to have leaves harvested regularly to remain productive, while traditional lettuces are harvested by severing at the base or by pulling the whole plant up from the ground.

Plant two to three plants in each bag during spring. Alternatively, cut a long panel in the top of the bag and sow salads in rows. Endive, lettuce, basil and rocket can be sown from spring to late ...