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采用电导法结合田间观察对李的抗寒性进行了研究。结果表明，李的抗寒力虽不如原产我国北方的山桃和李品种，但接近桃的普通品种，能耐－２０℃左右的低温。
Conductance method and field observation were used to study the cold resistance of Li plum. The results showed that although the cold hardiness of Li was not as good as the native peach and plum varieties originating in northern China, the ordinary varieties close to peach could tolerate the low temperature of about -20 ℃.