Vegetables that can survive a polar vortex:
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| leeks, lettuce, and Brussels sprouts |
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| and possibly fava beans |
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| more lettuce |
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| spinach |
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| and more spinach |
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| onions |
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| more leeks and Brussels sprouts |
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| makeshift cold frame |
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| cold frame carrots and scallions |
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| mache aka corn salad |
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| kale and tat soi |
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| kale--the wilting is from heat, not cold |
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| collards |