Geranium is a genus of 422 species of annual, biennial, and perennial plants that are commonly known as geraniums or cranesbills. They are found throughout the temperate regions of the world and the … · geranium, (genus Geranium), any of a group of about 300 species of perennial herbs or shrubs in the family Geraniaceae, native mostly to subtropical southern Africa. Geraniums are among … 1 day ago · The common geranium comes in a wide range of floral colors (red, orange, pink, white) in single or double flowers set high above lush, green leaves, sometimes bi-colored with bronze or … 'Geranium' is the common name for the species Pelargonium. Confusingly, ' Geranium ' is also the botanical name of hardy geraniums, also known as cranesbills or 'true geraniums'. · Before we cover geranium care, let's clarify what exactly a geranium is. The plant most people in the United States call "geraniums" are actually part of the genus Pelargonium.