Ah, summer. Overnight dew on lush green grass, high-climbing roses and sunflowers, afternoon picnics in the warm sun, evenings when light lingers late in the sky. Summer is the home gardener’s Eden.
It’s also the time to think about winter.
A large swath of the United States is generally mild enough, especially in a warming world, for dedicated gardeners to grow specialized vegetable varieties that have been bred to grow and thrive in the cold months, from November through March. Roughly the lower two-thirds of the country, and both coasts, afford a wide latitude for winter gardening; and dedicated, adventurous growers can spread the fun as far north as southern Minnesota, where winter rutabagas have been grown for more than a century….