The main aspects of creation of energy-efficient «green structures» in urbocenoses of moderate-continental climate are considered. It was established that problems of exploitation of "green roofs" arise in case of violation of the technology of laying roofing layers and in case of incorrect selection of plant assortment. Technical problems in creating "green roofs" arise when the wrong choice of waterproofing. There should also be a single drainage system, which accommodates all other elements.

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... Failure to observe these conditions may lead to rooting and the development of microorganisms. The assortment of plants on an intensive roof is usually limited to low-growing plants: herbs, shrubs and shrubs. Phenological observations carried out on the intensive roof of the Royal Tower residential complex in Kyiv have shown that with the correct selection of plant assortments and their cultivation technology, plant height can be considerably larger: from 4 to 6 m, which significantly expands the ecological and biological capabilities of intensive green roofs moderately-continental climate. The assortment of species of plants with high adaptive potential of various life forms with a wide variation of height is proposed: from low-growing herbs to trees of 6 m in height: Quercus paludosus