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Pelargonium is a large genus containing around 250 species, and many varieties, cultivars and hybrids, of usually evergreen, sometimes succulent perennials, subshrubs and shrubs in the Geraniaceae family native to warm temperate and tropical zones worldwide but with a centre of diversity in Southern Africa. They have palmately-lobed or pinnately-divided sometimes fragrant and patterned leaves and attractive umbels of 5-petalled flowers in a variety of colours and forms. Several species are popular as houseplants and as bedding in cool temperate regions where they are usually grown as annuals. They are drought and heat tolerant and have a long flowering period, but need protection from frosts.
Pelargonium itself is native to southern Africa (including Namibia) and Australia. Southern Africa contains 90% of the genus.
Temperate to subtropical zones.