一要入室保温。进入冬季,天气渐冷,兰花若放在室外容易遭受寒流的侵袭,所以必须及时搬入室内阳光照射到的地方。入室越冬的兰花,室温应控制在5~15℃。若室温太低,就起不到防寒保暖的作用;室温过高,花茎生长缓慢,花蕾发育差,容易使已形成的花蕾萎缩以致枯死。由于春兰较耐寒,需要有3~4周0℃左右的低温时期完成春化作用,然后才能开花。故春兰 First, to enter the room insulation. Into the winter, the weather getting cold, if the orchid on the outdoor vulnerable to the invasion of the cold, it must promptly move into the indoor sun exposure to the place. Wintering orchids, room temperature should be controlled at 5 ~ 15 ℃. If the room temperature is too low, it will not play a role in cold warm; room temperature is too high, slow growth of flower stems, poor bud development, easy to make the bud has formed atrophy and died. As Chunlan more cold, you need to have 3 ~ 4 weeks at about 0 ℃ vernalization period to complete vernalization, and then flowering. So Chunlan