On the feasibility of preserving retro-varieties of hybrid daylily in the cultivated flora of Russia

The history of cultivation of representatives of the genus Hemerocallis L. in Russia is considered. At present a significant reduction is noted in the distribution of retro varieties and their active replacement by modern varieties. At the same time, old varieties have an important set of features, the preservation of which in the cultural flora is an important task. Retro varieties of hybrid daylily remain promising in breeding work in order to obtain a stable regional assortment. Features of growth and flowering, vandal resistance and general unpretentiousness, simple agricultural technology and possibility of mass obtaining inexpensive planting material make the use of retro varieties in modern landscape design relevant.