Natural vegetation in unirrigated desert around Leh includes capers (Capparis spinosa), Nepeta floccosa, globe thistle (Echinops cornigerus), Ephedra gerardiana, rhubarb, Tanacetum spp., several artemisias, Peganum harmala, and several other succulents.
Human settlements are marked by lush fields and trees, all irrigated with water from glacial streams, springs, and rivers.