春天花木出土的时间越迟,气温和土温越高,应该说对花木生长有利,但对于抗寒性强的月季来说,出土晚,埋在土中的枝干由于温度高,萌动发芽早,生长迅速,而整个植株抗寒力减弱,猛一出土,稍遇冷冻,会使嫩芽冻坏,甚至全株死亡。经验告诉我们:月季在气温2℃左右出土最合适。月季过了休眠期,随之气温升高,逐渐复苏发芽,虽 The later the spring flowers unearthed, the higher the temperature and soil temperature, it should be said that good for the growth of flowers and trees, but for the cold hardy rose, later unearthed, buried in the soil branches due to high temperature, sprouting germination early , Rapid growth, and the whole plant cold weakened, suddenly a unearthed, slightly frozen, will make the bud frozen, or even whole plant died. Experience tells us: Rose in the temperature around 2 ℃ unearthed the most suitable. Rose through the dormant period, followed by the temperature rise, and gradually recover and sprout, though