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不少花卉书都介绍龙舌兰抗寒性较弱,遇长期5～6℃低温就会受冷害死亡。但笔者栽培的金边龙舌兰,却有较强的抗寒能力,适栽区域比书中界定的要广。笔者住在江西省中部,1月平均气温为5.7℃,常年最低气温-2～-3℃,极端最低气温-7～-9℃。在这里,部分居民栽种龙舌兰或金边龙舌兰多年,一般都放置在阳台上,没有采取任何保温措施,均长势良好。特别是1999年12月下旬的一场严寒,本地最低气温达-7℃,背阴处连
Many flower books are introduced agave cold weaker, in the case of long-term 5 ~ 6 ℃ low temperature will be cold damage death. However, I cultivated Phnom Penh agave, but have a strong ability to cold, suitable for planting area than the book defined to be wide. The author lives in the central part of Jiangxi Province. The average January temperature is 5.7 ℃, the lowest annual temperature is -2 ~ -3 ℃ and the extreme minimum temperature is -7 ~ -9 ℃. Here, some residents planted agave or Phnom Penh agave for many years and generally placed them on balconies, all of which did not take any measures to keep warm. In particular, a severe cold in late December 1999 resulted in a local minimum temperature of -7 ° C