be in/out of seasonvegetables and fruit that are in season are cheap and easily available because it is the time of year when they are ready to eat. If they are out of season, they are expensive or not available 〔蔬菜、水果〕当令的/不合时令的 Vine tomatoes are in season from April to October. 藤蔓番茄的当令季节是从4月到10月。
→ be in/out of season at season1(1)