The Farmer's Almanac on Margaret's Kitchen Table

Every March, Margaret Calloway of Boone County, Kentucky, set her worn Farmer's Almanac on the kitchen windowsill and planned her garden by the sun. She knew exactly when the light would reach the back fence, when it would warm the soil enough for tomatoes, when the longest day would coax her sunflowers to full height. She had gardened that same half-acre for forty-one years.…