*ST四环(000518.SZ)：公司的苗木销售业务一年四季皆有，其中春秋属于销售旺季

Group 1 - The core viewpoint of the article is that *ST SiHuan (000518.SZ) has a year-round seedling sales business, with spring and autumn being peak sales seasons [1] Group 2 - The company engages in seedling sales throughout the year, indicating a stable business model [1] - Spring and autumn are identified as the peak seasons for sales, suggesting potential for increased revenue during these periods [1]