Heirloom Cilantro/Coriander (Coriandrum sativum). Annual. These are the split seed variety which give better growing and better germination than whole seed. This slow-bolting strain is grown primarily for its broad, deep green, celery-like, pungent foliage. Used in Oriental and Mexican cuisine. Use seed to flavor meats, pickles and baked goods. Height: 24 inches.