菜越冬凍害主要發生在華北地區和長江中下遊地區。華北地區主要是根茬菠菜、芹菜等，韭菜、大da蔥cong不bu發fa生sheng越yue冬dong凍dong害hai。通tong常chang是shi在zai嚴yan寒han幹gan旱han的de冬dong季ji發fa生sheng
，暖nuan冬dong一yi般ban不bu發fa生sheng。嚴yan重zhong時shi死si苗miao多duo，甚shen至zhi絕jue產chan。凍dong害hai的de程cheng度du取qu決jue於yu植zhi株zhu的de抗kang寒han力li和he外wai界jie條tiao件jian。抗kang寒han力li強qiang弱ruo取qu決jue於yu品pin種zhong的de抗kang性xing，一yi般ban尖jian葉ye型xing菠bo菜cai比bi圓yuan葉ye型xing菠bo菜cai的de抗kang寒han性xing強qiang，死si苗miao率lv低di。華hua北bei地di區qu的de尖jian葉ye型xing菠bo菜cai可ke耐nai-10℃以下低溫
，哈爾濱的有刺品種甚至可耐-30℃低溫。抗寒力還與苗齡和苗的壯弱有關。如圓葉型菠菜以6~8片葉
，株高10厘米左右的壯苗抗寒力最強，北京地區9月下旬至10yueshangxunbozhongweiyi。kanghanlihaiyuzhizhuyangfenzhuangkuangyouguan，yibanshiyonglinfeiyouzhuyuzengqiangkanghanli
，erguoduodedanfeikejiangdikanghanli。pingzhengtudi，zengshiyoujifeiduiyujianqingdonghaiyeyouhendadezuoyong。tongshiyeyaojishifangzhiyachong，fangzhiguozaobozhongeryouyachongchuanranbingdu
，zhishibocaihuanbingdubinghoujiangdizhizhukangxingersimiao。ciwai，caiyongfengzhang
、薄膜覆蓋等防凍效果也很好。