Ключевые слова: apocynaceae, beautiful, bloom, blooming, blossom, blue, botany, bright, color, flora, floral, flory culture, flower, flower garden, flowerbed, foliage, garden, garden plants, gardening, grassy, green, landscape design, nature, ornamental plants, periwinkle, petal, petals, primroses, spring, vegetation, vinca,