Analysis of Perennial Flower Varieties in the North Area of Shanghai Botanical Garden

为了解宿根花卉植物在上海植物园北区的应用情况，以北区6个主题花园作为研究对象，调查统计各类花园使用的宿根花卉品种及观赏性状。结果表明：上海植物园北区共有宿根花卉274种，涉及27科69属；北区宿根花卉的花期涵盖了春夏秋冬四季，为打造四季有花的植物景观提供了材料基础；花色、叶色丰富，改变了以往花境色彩不足的单调景象。最后分析了宿根花卉应用中存在的问题，并给出了管养建议，以期为宿根花卉在长三角地区的发展应用提供参考和借鉴。To understand the application of perennial flower in the North Area of Shanghai Botanical Garden, six themed gardens in the North Area were taken as the research objects to investigate and count the perennial flower varieties and their ornamental traits. The results showed that there were 274 species of perennial flowers in the North Area, belonging to 27 families and 69 genera. The flowering periods of perennial flowers in the North Area covered all four seasons (spring, summer, autumn, and winter), providing a material basis for creating a plant landscape with flowers throughout the year. The rich flower and leaf colors have changed the monotonous scene of insufficient color in traditional flower borders. Finally, the problems existing in the application of perennial flowers were analyzed, and maintenance suggestions were given, aiming to provide reference for the development and application of perennial flowers in the Yangtze River Delta region.