title: Experience in the introduction of ornamental herbaceous plants with coloured leaves
abstract: canna, clematis, daylily, pelargonium, rose, lilac, tulip and chrysanthemum. Garden chrysanthemum (Chrysanthemum morifolium (Ramat.) Hemsl.) collected by NBG -NSC is of national importance, as it is the largest collection on the territory of the Russian Federation. According to the inventory data for 2022, it counts 179 large-flowered and 209 small-flowered cultivar samples. The garden group of small-flowered chrysanthemums includes cultivars and hybrid forms with inflorescences from 3.0 to 9.0 
journal: Subtropical and ornamental horticulture