In the United States, buffalo grass (Buchloe dactyloides) is extremely drought-tolerant and is often used as a turfgrass in the low-rainfall areas of the Great Plains and West. Mow it at a height of 1 to 3 inches. It survives with no irrigation if at least 15 inches of rain occurs annually.
About this Author
James Burghardt has written for "The Public Garden," "Docent Educator," nonprofit newsletters and for horticultural databases, becoming a full-time writer in 2008. He's gardened and worked professionally at public and private gardens in Colorado, Florida, Minnesota, New York, North Carolina and Pennsylvania. He has written articles for eHow and GardenGuides.