郸城县境属黄淮平原，地处黄河冲积扇南缘。地势平坦，土质粘重，适且多种农作物及林木生长。 本县属暖温带半湿润性季风气候区，气候温和，四季分明，日照充足，雨量充沛，霜期不长。为当地各种生物的繁衍成长，提供了极为良好的条件 。水生植物的吴台莲藕，以节长、粗壮、脆嫩、味甜著称，清代《鹿邑县志》早有记载，是当地土特产之一，每年入冬至初春，内贩外运，不绝于市。


    
    Dancheng County is located in Huanhhuai Plain, which has semi-humid monsoon climate and sticky so that it is suitable for the cultivating of plants. Among various plants, Wutai Lotus Root is a famous one, which enjoys a high reputation for its long knobs, strong bodies, crisp and tender taste and sweet flavor. According to Tangyi County Record in Qing Dynasty, it was a local specialty and in every harvest period it sold very well.