In early May, Newhall Farm in Peabody was just starting to go green. Mounds of oregano nestled next to a gravel path, stalks of chives and walking onions stabbed vertically into the air, and small white blossoms on strawberry plants hinted at the fruit to come. All told, about 130 varieties of perennials occupy the herb garden at the farm, to say nothing of the dozens of vegetables and greens that are cultivated in other plots on the property.
