丝兰为百合科,丝兰属。有别于剑麻。须根系肉质茎,簇生剑形叶。株高可达2米,花簇生茎顶端,白色,花径5厘米上下,下垂如玉铃,花期7～10月,不结果。用地下茎或茎切割繁殖。喜光,也耐荫。耐寒又耐热。耐旱又能短期涝。对土壤适应极强,酸、碱性均能健长。贫瘠、肥土都能生长。寿命长,50年龄仍然健在生长。制作丝兰盆景,非常简单。在清明至秋分期间,小心挖出地下茎,可作中小型盆景,上茎可作中大型盆景。丝兰的茎与海星和蚯蚓有一样再生能力,一平方厘米芽切 Yucca as Liliaceae, Yucca. Different from sisal. Stem roots of succulent stems, clusters of sword-shaped leaves. Plant height up to 2 meters, the top of the flower cluster stems, white, flower diameter 5 cm up and down, drooping, such as jade bell, flowering from July to October, no result. Cut with underground stems or stems breeding. Hi light, but also shade. Cold and heat-resistant. Drought and waterlogging short-term. Strong adaptation to the soil, acid, alkaline can be healthy. Barren, fat can grow. Long life expectancy, 50-year-old still healthy growth. Making yucca bonsai, very simple. In the Ching Ming to autumn period, carefully dug underground stems can be used for small and medium-sized bonsai, the stem can be used for large bonsai. Yucca stems and starfish and earthworms have the same regeneration ability, a square centimeter bud cut