Analysis of the Prospects of Perennial Herbaceous Plants in Urban Landscaping for Creating Sustainable Floral Compositions

The authors of the article considered a relevant problem of using perennial plants in landscaping Russian cities in connection with their unique climatic conditions, existing traditions in landscaping and bad environmental conditions. For the natural and climatic conditions of the forest-steppe zone of the Russian Federation, a selection of perennial flowering plants that are resistant to the urban environment according to the criteria of low maintenance, shade tolerance, drought resistance and undemanding soil fertility has been carried out. When choosing perennial plants, the preference was given to the representatives of the local flora, large in height and stable for a long time in decorativeness. In this case it is possible to use the developed assortment when creating sustainable floral compositions in cities, meeting modern requirements of aesthetics, environmental friendliness and economy of the landscape objects. The design projects developed by the authors provide with the creation of modular flower beds of round, triangular, square shapes in the form of mixborders combined of large-sized flowering plants that easily fit into any configuration of the existing flower garden and are assembled by rhythmic repetition of the modules or their combination.