Sprouts are sweeter after moderate freezes. Pick when sprouts are firm and well-formed, beginning with the ones at the bottom. The upper sprouts continue to form and enlarge as the bottom ones are harvested. For a once over harvest, to ensure you have enough for your holiday meal, pinch out the growing point at the top of the stem when the lower sprouts are 1-2 cm (½-¾”) in diameter. A full stem of evenly sized sprouts will develop in about 2 weeks. After harvesting the sprouts, there may be another harvest in early spring where winters are mild. The plant sends up long, edible flower stalks which are tender and sweet when steamed, or served raw with a dip.