A bunch, also called a stalk or head, of celery typically contains eight to 10 stalks. Manufacturers typically do not include individual stalk counts on packaging since commercially grown celery is graded by color, quality and uniformity of length of the entire head.
One medium-sized stalk produces approximately 1/2 cup of chopped celery. One serving, which equals two medium-sized stalks, contains 20 calories, 5 grams of carbohydrates, 100 milligrams of sodium and 2 grams of dietary fiber.
Because the terminology for celery parts varies, it can be confusing to follow recipe requirements for celery. In most instances, when a recipe calls for stalks, it is referring to the individual ribs and not the entire head.