Ключевые слова: amsterdam, autumn, blooming, brown, bulb, care, crocus, cultivar, cultivation, dutch, early, farm, flower, flowerbed, garden, gardener, gardening, group, healthy, herbaceous, holland, iridaceae, land, nature, nursery, ornamental, outdoor, parterre, perennial, plant, preparation, prepare, rest, select, selection, sowing, spring, transplant, vegetation, violet,