Rose in greenhouses, and in warmer countries they may also be grown under cover in order to ensure that the flowers are not damaged by weather and that pest and disease control can be carried out effectively. Significant quantities are grown in some tropical countries, and these are shipped by air to markets across the world. Some kind of roses are artificially coloured using dyed water, like rainbow roses. Rose perfumes are made from rose oil (also called attar of roses), which is a mixture of volatile essential oils obtained by steam distilling the crushed petals of roses. An associated product
Petals of Blood called 'Ballad of a Barmaid', it is unclear why Ngugi changed the title before release. The phrase "petals of blood" appears several times throughout the novel, with varying associations and meanings. Initially, "petals of blood" is first used by a pupil in Munira's class to describe a flower. Munira quickly chastises the boy, saying that 'there is no colour called blood'. Later, the phrase is used to describe flames, as well relating to virginity during one of Munira's sexual fantasies. One primary underlining theme in "Petals of Blood" is the failure of the ruling Kenyan elite to adequately meet the