Spinach grows well throughout the winter when protected in a cold frame or tunnel. Low winter light slows the growth. Young tender spinach leaves have an earthy flavour that pairs well with fruit in fresh salads.
Lettuce thrives well into winter in a cold frame or hoop house. Choose cold-hardy varieties such as Romaine or Cos, Buttercrunch or Bibb, and loose leaf lettuces. Harvest as baby greens for crisp, mild salads. Grows slowly in low winter light.
Mâche (Corn Salad, Lamb’s Lettuce) germinates best when overnight temperatures are below 10ºC / 50ºF. Low-growing, with a small rosette of delicate leaves, mâche has a mild, refreshing flavour. Cut the entire plant and serve intact. Easily bruised.
Claytonia (Miner’s Lettuce, Winter Purslane) is a cold-hardy West Coast native. Its succulent leaves and stems make it a top choice for salads. Cut the stems, leaving at least 5 cm (2 inches), and the leaves will grow back.
Arugula (Rocket) grows quickly with frost protection in the low light of winter. This tender green has a distinctive sharp flavour, which is milder during cold weather. Use arugula to add bite to fresh salads, or as a pizza topping.
Radicchio, such as the Treviso variety (above), thrives in cool weather and tolerates light frost. The bitter leaves of this chicory become mellower in cold temperatures. Radicchio's pungent taste goes well with balsamic vinegar.
Endive (above), frisée, and escarole grow easily during cooler months. Frisée has distinctive narrow, finely pointed leaves. Escarole has broad, rounded leaves. These chicories taste mildly bitter and add accent to salad.
Red Mustard greens, with their striking green and red leaves, grow well in winter. Frost deepens the flavour and colour. Tender when young, the peppery taste of this cold-hardy brassica sharpens as it matures. Eat fresh in salads, or stir fry.
Baby Bok Choi and Tatsoi are small-size relatives of broccoli, collards, and kale, which also grow in winter. These frost tolerant cabbage-like vegetables have thick crunchy ribs and tasty leaves. Bok choi grows upright; tatsoi forms a rosette.
Mizuna, an Asian green with distinctive jagged leaves and a pungent flavour, grows quickly in cool weather. Mizuna has a peppery taste that adds spice to stir-fries and soups. The small pointed leaves of mizuna bring texture to fresh salads.
Baby Beet Greens, the leaves of immature beet roots, like cool temperatures and tolerate light frost. Clip only a couple of leaves from each plant to allow the root to continue to grow. These tender, slightly bitter greens add vibrant colour to salads.