Analysis of the composition of Iris × hybrida hort. collection of Nikitsky Botanical Gardens - National Scientific Center by valuable decorative and economic-biological features

The article presents the results of analysis cultivar composition Iris × hybrida hort. collection Nikitsky Botanical Gardens according to bloom season and color classification. As a result phenological observations, average long-term dates «beginning flowering» phase in conditions South Coast Crimea were determined for all cultivars. definition studied cultivars within garden groups into early flowering, medium flowering late has been carried out. Lists by classes are presented. data obtained can be used practice landscaping resort areas create long blooming without break compositions with inclusion from various groups. NBS – NSC accordance classification proposed American Society was also landscape architects flower arrangements specific spectrum combination companion plants.