苦瓜(Momordica charantia L.)又名金荔枝及癞蛤蟆。原产亚州热带地区,广泛分布于热带,亚热带和温带。我国南方早在明代已普遍栽培。因苦瓜性喜温暖,耐热耐湿但不耐渍不耐寒,江淮地区从4月初至7月均可露地直播或育苗移栽,则可从6月中下旬一直采收到10月初。从1993年开始,笔者利用大棚覆盖早春栽培苦瓜,大大提早了苦瓜的上市供应期,使商品瓜提前到5月初上市,前期 Bitter melon (Momordica charantia L.), also known as gold lychee and toad. The origin of tropical Asia, widely distributed in tropical, subtropical and temperate. South China as early as the Ming Dynasty has been widely cultivated. Due to bitter gourd hi warm, heat-resistant wet but not resistant to stains are not cold, Jianghuai region from early April to July can be opencast or transplanting seedlings, you can harvest from late June to early October. From 1993 onwards, the author covered the cultivation of bitter gourd in early spring by using greenhouses, which greatly shorten the listing period of bitter gourd so that the commodity melon goes into market early in early May,