Rosa sp. (Rose): Ecology
	Habitat: Roses prefer the fullest amount of sun, but will tolerate some light shade. They generally require fertile, well-drained soil that is neither too acid nor too alkaline. Diseases: Powdery mildew, black spot and canker are the most serious diseases, but thrips, Japanese beetles, deer browsing, rose rosette virus and cold also challenge the rose grower. Although roses are notorious for their susceptibility to insect pests and diseases, few infestations or infections are unmanageable with prompt attention. The photograph shows a rose which grows south of Morrill Hall (the Hub is in the background).	Distribution: Mostly native to the Northern Hemisphere, the limits of various species' range is, however, difficult to establish because the species so readily hybridize and have been so widely planted.