These greens are hardy through at least a portion of our Maine winters in Zones 4 and 5, and with protection can probably survive the entire winter in Zone 6 and south.
Brassica juncea (47 days mesclun, 62 full size) Open pollinated. Sweet succulent ribs and moderately pungent winter-hardy greens. Good for summer mesclun; excellent cut-and-come-again.
Brassica rapa var. perviridis (40 days) F-1 hybrid. Productive open plant habit with delicious round medium-green leaves. Spring sowings tolerate drought and heat into fall. Can be overwintered in warm climates.
Brassica oleracea (45-60 days) F-1 hybrid. Also called Chinese Broccoli. Grown for succulent stems, leaves and florets. Uses and flavor similar to broccoli. Tolerant to heat and cold.
Brassica juncea (20 days baby, 40 days mature) Open pollinated. Light golden-green leaves are curled and lacy, adds lift to salad mixes. Mustardy zing. Resists bolting in heat.
Brassica juncea (45 days) Open pollinated. Best-adapted mustard for northern climates. Hot mustardy flavor. Will come back when cut. Slow to bolt. Can be overwintered.
Brassica oleracea (capitata group) (105 days) F-1 hybrid. Dense 3-6 lb red heads with savoyed pinkish-purple outer leaves and green interior. Can be overwintered.
Eruca sativa (47 days) Open pollinated. Great-tasting musky greens. Bolt resistant strain. Cold tolerant, great for early spring, late fall, over-wintering.
Eruca sativa (47 days) Open pollinated. Musky, cold tolerant greens, great for early spring, late fall, over-wintering. Eat the flowers if you miss some of the greens.
Eruca sativa (21 days baby, 35 days mature) Open pollinated. Profuse basal growth. Dense clusters of tasty lush leaves. Grows well in hot and cool seasons.
Eruca sativa (44 days) Open pollinated. Cross of two European heirlooms and selected for vigor and cold hardiness. Turns purple when it freezes. Full of flavor.
Diplotaxis erucoides (21 days baby, 50 days mature) Open pollinated. Wild Arugula. Deeply lobed dark green narrow leaves. Excellent for cold-season salads, but also shows good summer endurance.
Montia perfoliata (40 days) Open pollinated. Small, heart-shaped leaves with a mild but succulent flavor. Use in mesclun and cut-and-come-again culture.
Valerianella locusta (45 days) Open pollinated. Very cold-hardy small-seeded small-leaved strain of this winter staple salad green. Can be overwintered.
Brassica oleracea (acephala group) (61 days) Open pollinated. Florida heirloom. After frost, develops beautiful white ribs that contrast with yellow-green leaves.
Brassica oleracea (acephala group) (65 days) F-1 hybrid. Crinkly and very curly, of the Dutch borecole type. Upright uniform productive plants hold well in the field in all weather conditions and continue to grow.
Brassica oleracea (acephala group) (65 days) F-1 hybrid. Crinkly and very curly, of the Dutch borecole type. Upright uniform productive plants hold well in the field in all weather conditions and continue to grow.
Brassica oleracea (acephala group) (30 days baby, 56 days mature) Open pollinated. The most commonly grown kale. Dense finely curled blue-green leaves on upright hardy plants. Best as a fall crop, planted July or August.
Brassica oleracea (acephala group) (61 days) Open pollinated. Lacinato crossed with Redbor. Curly edges, red veins, purple or blue-green leaves, diverse shapes and colors. Productive and cold-hardy.
Brassica oleracea (acephala group) (60 days) F-1 hybrid. Tall plants with ruffled red leaves; color intensifies in cool weather. Very cold hardy ornamental edible.
Brassica oleracea (acephala group) (30 days baby, 55 days mature) Open pollinated. Frilly purple leaves suitable for baby leaf or bunching. Similar to Redbor leaf shape and color.
Brassica oleracea (acephala group) (60 days) Open pollinated. English heirloom. Extremely hardy and vigorous. Rounded slightly savoyed leaves are tender even when large.
Brassica napus (pabularia group) (60 days) Open pollinated. Unsurpassed tenderness and flavor. Green oakleaf with purple veining darkens in cold weather. Wilts quickly once picked. Great microgreens.
Brassica napus (pabularia group) (60 days) Open pollinated. Unsurpassed tenderness and flavor. Green oakleaf with purple veining darkens in cold weather. Wilts quickly once picked. Great microgreens.
Brassica napus (pabularia group) (55 days) Open pollinated. Cold hardy 18-28" purple and red-veined kale leaves grow frilly while remaining very tender. Good for bunches and mesclun mixes.
Brassica napus (pabularia group) (55 days) Open pollinated. Cold hardy 18-28" purple and red-veined kale leaves grow frilly while remaining very tender. Good for bunches and mesclun mixes.
Brassica napus (pabularia group) (60 days) Open pollinated. Serrated silvery-green flat-leaf Siberian-type kale with white veining. Sweetens after frost. Extremely cold hardy.
Allium ampeloprasum (porrum group) (120 days) Open pollinated. Up to 4" across. Makes much of its growth below ground, protected from the cold; often withstands the rigors of winter to offer a delectable spring treat.
Lactuca sativa Open pollinated. Blend of kinds that stand the cold, for late fall eating, for keeping under cover for winter salads, for winter survival and the earliest spring growth.
Lactuca sativa (65 days) Open pollinated. Compact hardy plants with reddish-amber–tipped green leaves and crunchy batavian taste. French heirloom stands the test of time as well as the chill of fall.
Lactuca sativa (52 days) Open pollinated. Large fancy fast-growing light-green butterhead lettuce. Bolts quickly in heat. Recommended for fall or overwintering where climate permits.
Lactuca sativa (58 days) Open pollinated. Attractive frizzy foliage is light red on top, light green at base. Use in salad for loft and texture, for accent or garnish. Very cold tolerant.
Lactuca sativa (32 days baby, 60 mature) Open pollinated. Modern classic. Adds intense deep red color and full-bodied flavor to baby salad mix. Not recommended for full-size heads. Cold tolerant.
Lactuca sativa (51 days) Open pollinated. Large head with red ruffled leaves. Tender and sweet with almost no bitterness. Very bolt resistant and cold tolerant. Popular with market growers.
Lactuca sativa (60 days) Open pollinated. Slightly ruffled green leaf lettuce is tinged bronze at the tips. Extreme cold tolerance. Fall, winter and spring production.
Lactuca sativa (45 days) Open pollinated. Frilly looseleaf lettuce with deeply cut pointed leaves. A standard component of salad mixes. Recommended for overwintering and cool weather.
Lactuca sativa (65 days) Open pollinated. French heirloom. Semi-romaine head with deep red outer leaves. Green inner leaves with bronze tips. Excellent cold tolerance, good for overwintering.