Most roses that are cultivated today are hybrids of early species, the tea rose. R. odorata, the cabbage rose, T. centifolia, and the damask rose, R. damascena, which yields attar of roses, an essential oil used in perfumes. Other important parrents of modern cultivars include the climbing Cathay rose, R. cathayensis, the trailing memorial rose, R. wichuraiana, the China rose, R. chinensis, and a Japanese rose, R. multiflora.
The most popular cultivars are the hybrid tea roses, having a wide color range, a unique fragrance, and continuous bloom throughout the growing season. Other commonly grown types include floribundas, which produce numerous petals, polyanthas, which have large clusters of flowers, miniatures, the entire plant of which ranges from 7 to 30 cm (3 to 12 in) in height and rambling or climbing roses.