本文总结了景天科植物——绿景天的引种栽培及天台应用的研究试验 ,结果表明 :国产植物资源绿景天具备耐寒、耐热、耐旱、耐瘠的优良特性 ,应用于天台绿化具有投资少、不用改变天面结构、绿化及改善环境的效果好、后续管理费用低等优点 ,完全适合在我市天台绿化工程中推广 This paper summarizes the introduction and cultivation of Crassulaceae plants and rooftop applications, the results show that: the domestic plant resources Lucaoting with cold, heat, drought, barren resistance of the fine features, used in roof greening With less investment, without changing the structure of the sky, green and improve the environmental effect of good, follow-up management costs and other advantages, fully suitable for the promotion of rooftop greening project in our city