将放于露天的花草搬入室内越冬,俗称“进房”。进房时间掌握准确与否,对花木安全越冬关系很大。若进房太早,室内温度过高,则易造成花木徒长,抗寒力减弱,并易遭病虫害;若进房太晚,则花木要遭寒苦,甚至被冻死。米兰、富贵竹、巴西木、变叶木等热带花木,俗称高温型花木,抗寒能力最差,一般常 Will be placed in the open air moved into the winter indoor, commonly known as “into the room.” Into the room to grasp the accuracy or not, a great relationship between the safety of flowers and trees overwinter. If the room is too early, the indoor temperature is too high, it is easy to cause the growth of flowers and trees, cold resistance weakened and susceptible to pests and diseases; if into the room too late, the flowers and trees to be cold, or even frozen to death. Milan, rich bamboo, Brazil wood, leaves and other tropical plants, commonly known as high-temperature type of flowers and trees, the worst cold tolerance, usually