Boiled eggs with caper flowers do not have to be March 3rd.

Boiled eggs with water chestnut flowers is one of the customs of March 3, and around March 3 is also the peak growth period of water chestnut, but it does not mean that you have to be on March 3 to be able to use water chestnut flowers to boil eggs.

Boiled eggs with shepherd's purse flowers is a folk custom widely spread home cooking, referring to the use of shepherd's purse flowers and eggs boiled together in a pot with water, usually around the Qingming Festival to make and eat.

Shepherd's purse, also known as ground vegetables and field children's vegetables, is a kind of wild vegetable that grows in the corner of the field. Although it is a wild vegetable, it is delicious and nutritious. Shepherd's purse edible methods, can mix, can fry, can braise, can also be used to do stuffing or soup, are attractive color, taste delicious, is a medicine and food of delicious vegetables. In Hunan, with chestnut to cook eggs is the most common way of eating. Every March 3, the day, shepherd's purse will grow stems and flowers, women will pick to insert in the hair.

The distribution range of caper:

Temperate regions of the world is widespread, in Europe is mainly distributed in Albania, Andorra, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, the Faroe Islands, Finland, France, Germany, Greece, Hungary, Iceland, Ireland and the United States, the United States, the United Kingdom, the United States, France, Germany and the United States. , Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Moldova, Montenegro, Netherlands, North Macedonia, Poland, Portugal.

Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Turkey, Great Britain; it is found in almost every province of China.