Celery is known strong tasting vegetable consists of fewer calories and made of water. It is a green food and widely used as crunchy leafy stalks. Its root and seeds are food flavouring agent across the world. Celery is part of the carrot family, flowers are in umbels. It is widely used as herbs. It is cultivated in Europe, North America, and Asia. Celery allergy is common in central Europe. Symptoms of celery allergy are: Swelling or itching in the face, mouth or throat, severe asthma, nausea and vomiting and anaphylaxis (a life-threatening allergic reaction affecting several parts).