The best time to grow radishes in Tsavo is the first half of August in the lunar calendar. The radish planted now is big, bright, nice and tasty. It is harvested in winter and spring. It is said to eat radish in winter and ginger in summer.

Shawo radish, also known as Tianjin Weiqing radish, commonly known as "Saiya pear", is a famous agricultural product in Tianjin. It is named after the neighboring villages of Xiaoshawo and Bijia Village in Xinkou Town, Xiqing District, Tianjin, and has a history of cultivation of more than 600 years. The cultivation of green radish in Tianjin was recorded in the Yuan Dynasty and has a history of more than 600 years. "Shawo radish-Saiyan pear" and "Shawo radish-crisp" are the two common sayings of Tianjin people. Shawo green radish is the representative of Tianjin radish and the most popular. It is mainly as green as jade and crumbles when it falls to the ground. It is crunchy, sweet, spicy and refreshing to eat, strengthens the stomach and digestion, clears heat and detoxification, and soothes the chest. At the end of the Qing Dynasty and the early Republic of China, every fall and winter, the streets and alleys, hotels, bathhouses, theaters, teahouses, everywhere there are selling green radish shouting. People regard green radish as a delicacy. Eat a few green carrots after dinner, a burp, but feel the five viscera ventilation, intestines and stomach, the whole body comfortable. As the saying goes, "Eat radish in winter and ginger in summer, you will be healthy all year round", and there is also the joke that "radish makes hot tea, and the angry doctor crawls all over the street", which belongs to the way of health care. Why are the green radishes in Tsavo so delicious? Mainly because the soil there is fertile, suitable for the growth of the green. Here is a folk legend: It is said that during the Jiajing period of the Ming Dynasty, Emperor Zhu Hou_ had a concubine who liked to eat lychee from southern China. It was difficult to keep it fresh due to the transportation inconvenience. Chancellor Yan Song offered a program to dig out the whole lychee tree, transported to Tianjin, the lychee Pegasus from the shore to take away to the palace, while the lychee tree residual soil is poured into the small Shawo village of the aqueduct.