"It is native to tropical Africa and southern India. It can also be found growing abundantly in much of Latin America and the West Indies (Wikipedia)
"L. nepetifolia is a large upright herbaceous plant native to tropical Africa. It is a listed invasive species in Australia and Hawaii that grows readily along road shoulders, in abandoned fields, in disturbed areas, and waste lands (Randall, 2001; HPWRA, 2015). It is listed as a pest plant in Florida (Floridata, 2014). Floridata reports that L. nepetifolia is an invasive garden plant in Australia and a pest plant in Hawaii, but it also notes that the species is not a serious pest in most areas because it grows mostly in highly disturbed areas and rarely establishes in natural areas. However, where it does establish, it has the potential to form large colonies that displace native plants (Csurhes and Edwards, 1998). It can be a serious weed of crops including rice and sugarcane in South America (Smith, 2002)". (http://www.cabi.org )