Celery belongs to Umbelliferae.

There are three kinds of cress, celery and celery, which have similar effects. Celery is the best medicine. Celery has a strong aroma and is called "medicinal celery". But it is not a variety with coriander.

Celery is rich in protein, carbohydrates, carotene, B vitamins, calcium, phosphorus, iron and sodium. At the same time, it has the effects of calming the liver and clearing away heat, expelling pathogenic wind and promoting diuresis, relieving restlessness and swelling, cooling blood and stopping bleeding, detoxifying and dispersing lung qi, invigorating stomach and promoting blood circulation, clearing intestine and relaxing bowels, moistening lung and relieving cough, lowering blood pressure, strengthening brain and calming nerves.

Eating celery often, especially celery leaves, is very beneficial to prevent hypertension and arteriosclerosis, and has an auxiliary treatment effect.

Celery has a cool and humid climate and belongs to semi-cold-tolerant vegetables. Not resistant to high temperature. Drying can withstand a short-term low temperature below zero. The lowest temperature of seed germination is 4℃, and the optimum temperature is 15 ~ 20℃. The germination is delayed below 15℃, and hardly germinates above 30℃. The seedlings can tolerate the low temperature of -5 ~-7℃ and belong to green vernalization plants. The seedling growth temperature of 3 ~ 4 leaves is 2 ~ 65438 00℃.

Celery has poor cold resistance and seedlings are not frost-tolerant. The suitable temperature for vernalization is 12 ~ 13℃.