Celery Seeds Powder Botanical Name Apium graveolens also Known as Ajmod. Celery seed Powder has been used as medicine for thousands of years in the Eastern world. During ancient times Indian Ayurvedic medicine.Celery seed Powder is a spice used in salads, sauces, dressings, brines, and dry rubs.It is used to enhance flavor of foods.Bengalis and North Indians add seeds of Celery to pickles, curries and chutneys. Celery seed is a spice used in salads, sauces, dressings, brines, and dry rubs. It's available in whole seed and ground. In its whole form, it's a small seed, about the size of a poppy seed, with a dark brown color. When ground it is a fine, dark greenish-brown powder.Celery seeds are a versatile spice with many uses. They're sold as whole seeds, crushed, or as a ground spice. Ground celery seed is often referred to as celery powder.