Summer cabbages can be sown come the end of January undercover, ready to be planted out into the garden come late March or April.
Early cauliflowers can be started indoors from mid-January. At 70-80°F, germinate cauliflowers in tiny pots or large modules loaded with quality seed compost.
Eggplants, or aubergines, have a long growing season. From seed to eggplant harvest, it can take six months.
Fava beans can be planted immediately into the kitchen garden in October or outdoors in late winter or early spring.
The spicy Japanese leaves of mizuna can be planted year-round as juvenile cut-and-come-again leaves that produce a crop in a month or as mature greens.
Onions can be grown from sets or seeds, the sets are either planted in fall or spring but January is a fantastic time to start growing onions from seeds.
Pea shoots are one of the easiest microgreens to produce and harvest quickly. Pea shoots grow well on warm, sunny windowsills and yield numerous crops each tray.