Todd Valley Farms produces 3 different cultivars buffalograss. Legacy(R), developed by the University of Nebraska, is very cold tolerant and is used in the northern United States. Prestige(TM), also developed by the University of Nebraska, is the only buffalgogras that tolerates humidity and is used in the Eastern and Southern states. UC Verde(R) was developed by the University of Californis and thrives in California and the heat of the lower valley of Arizona. All three are "female only" plants that produce no or very little pollen making living much better for prople with allergies.