It is said that Yizhou Begonia has a cultivation history of 3,000 years. However, today’s Yizhou Begonia is no longer a begonia in the traditional sense. It has large and beautiful flowers, graceful and luxurious. Yizhou Begonia is unique to Yimeng Mountain area. Fine flowers with a long history of cultivation. According to historical records, Yizhou crabapples were planted in Linyi during the Ming and Qing Dynasties (Note: "Yizhou Fu Zhi" in the 25th year of Qianlong's reign in the Qing Dynasty). Why is Yizhou Begonia so beautiful? This starts with Yizhou papaya. Since the 1960s, Tanghe Town has been famous throughout the country for its unique Yizhou papaya. In the early 1980s, after years of breeding, Tanghe crabapple growers grafted it with the local Yizhou papaya. Begonia has large flowers in red, blue and white colors and is extremely disease-resistant and adaptable. Especially when its growth environment is artificially changed and the temperature and humidity are adjusted, the flowering period is advanced by more than a month, filling the gap around the Spring Festival. There is a gap in the market for multi-colored woody flowers.

In 1996, Academician Chen Junyu of the Academy of Agricultural Sciences visited Linyi and believed that the papaya and crabapple in the area were a new ornamental resource that was obviously different from the stem-shaped crabapple and the traditional papaya and crabapple. It had high ornamental value and would be It is named "Yizhou Begonia", and there are nearly a hundred varieties of Yizhou Begonia. The flowers are blooming in spring, and the trees are full of fruits in autumn. They are fragrant and can be planted on both sides of sidewalks, urban street green spaces and mining area green spaces, around pavilions, at the edge of jungles, and beside waterside pools. In addition, crabapple fruits are edible and medicinal, and enjoy the reputation of "the fruit of hundreds of benefits".

In recent years, forestry researchers in Linyi City have successfully researched and promoted the annual catalytic marketing technology of Yizhou crabapples. Through constant-temperature cold storage storage, crabapples can be delayed in blooming in summer and autumn, thus achieving the purpose of annual blooming. . At present, "Yizhou Haitang" has successfully registered a trademark, and the brand benefits are deeply rooted in the hearts of the people. Yizhou Haitang not only enjoys a high reputation in the north, but also becomes a representative of "flowers from the north and the south", especially during the New Year's Day and Spring Festival, it is promoted to Guangdong and Shenzhen , Shanghai, Hong Kong and other big cities in the south, and even countries and regions such as Japan, South Korea and Singapore, each plant can be sold for several thousand yuan, or even tens of thousands of yuan. Yizhou crabapple is widely planted in 12 counties and districts in Linyi City, with a planting area of ??more than 20,000 acres.

In mid-September 2008, Yizhou Haitang won the gold medal in the potted flower category at the 5th China Forest Products Fair. In April 2009, Linyi City successfully held the first Yizhou Begonia Festival. In 2009, after Hedong District of Linyi City won the title of "Shandong Begonia Production Base", it was also awarded the title of "Chinese Begonia Capital" by the China Flower Association.