The first part of this diploma thesis is dealing with the usage of roses from the garden and landscape architecture perspective. Taxonomy of roses, their botanical description, spread, usage and history of growing and improvement were described. Another part of this diploma thesis focused on research of period rose assortment, more specifically on its range and possibilities of particular strains usage. Subsequently, availability of period assortment strains in the current market was determined. All information has been recorded in the summary table, which was further analyzed.