by Sarah Sorci Rosemary is my most reliable herb to grow on a winter windowsill–no grow light is needed. While my outdoor garden sleeps, rosemary nestles up with me for the coziest months of the year. Cultivation When nighttime temperatures dip below 40 degrees Fahrenheit in the fall, I move the containers indoors to a bright window. When your rosemary is planted in the ground–especially in heavy clay soils–you should avoid overwatering it. Rosemary is native to the Mediterranean; it…...

