Abstract: Prosopis juliflora, popularly known as Mathenge in Kenya, is an invasive short shrub spread in drylands of Africa, Asia, Australia and in other parts of the world. The shrub was introduced in Kenya in the 1970s with an aim of afforesting the arid and semi-arid areas to curb desertification. In the formative stages, the results were positive but this did not last for long. It spread so rapidly becoming a menace to ASAL pastoralists prompting its declaration as a harmful weed in Kenya under the Suppression of Noxious Weeds Act (CAP 325) in 2008. Well, in some parts of the world, the shrub is cultivated. The study sought to examine the usefulness of P.