苏铁喜欢温暖湿润,在华南一年可以两次甚至三次抽叶。但出了长城进入高寒地域,一年只能抽生一次。不过如果人为创造条件,在温室内实现一年两次抽叶,也是有可能的。2003年,尽管室外气温在-20～-27℃,但我家楼下(底层)老同事家厨房南窗台上,一盆球径5厘米的苏铁竟茁壮地抽生了3片叶,这是当年第二次抽生,甚是喜人。经观察和测定,他家窗台为人造大理石台,下面就是暖气,花盆放在窗台内侧,光照充足; Cycas like warm and humid, in southern China can be twice or even three times a year leaves. But out of the Great Wall into the alpine region, only pumping once a year. However, it is also possible for people to create leaves and conditions to get leaves twice a year in greenhouses. In 2003, despite the outdoor temperature of -20 ~ -27 ℃, but my downstairs (bottom) old colleague home kitchen south window sill, a pot of 5 cm diameter of the spine actually threw 3 leaves, which is the year The second pumping, is very gratifying. After observation and determination, his home window ledge artificial marble, the following is the heating, flower pot on the inside of the windowsill, adequate lighting;