小时候最不爱吃的丑菜，又在江浙沪火起来了

Core Insights - The article highlights the rising popularity of "black tatsoi" (黑塌菜), a leafy vegetable from Rugao, Jiangsu, which has become a sought-after item in markets, surpassing traditional prices for vegetables and even meat [5][9] Group 1: Market Dynamics - Black tatsoi is currently priced at 5 yuan per jin, down from 7-8 yuan last year, indicating a shift in market demand and supply dynamics [1] - The vegetable has gained significant attention, with reports of it being sold for 9.39 yuan for 400 grams during festive seasons, showcasing its premium status [4] - The local government and commercial brands have played a crucial role in promoting black tatsoi, leading to its recognition as a "longevity vegetable" [7][9] Group 2: Cultural Significance - Black tatsoi has a long-standing cultural presence in Jiangsu, often associated with traditional winter dishes and health benefits [6][10] - The vegetable's unique taste and texture, especially after frost, have made it a staple in local cuisine, with historical references to its consumption in literature [6][10] - The rise in its popularity is also linked to the health and wellness trend, as it is perceived to contribute to longevity due to its nutrient-rich profile [8][9] Group 3: Agricultural Practices - The cultivation of black tatsoi has expanded significantly, with standardized planting practices being implemented across 20,000 mu, enhancing its marketability [10] - The soil in Rugao is believed to be rich in selenium and minerals, providing an ideal environment for growing black tatsoi, which contributes to its health benefits [8] - The vegetable has been recognized as a national geographical indication product, further solidifying its status in the agricultural sector [10]