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Some warm season grasses do grow in Colorado especially at lower elevations. These include Buffalograss and differnent grama species including blue grama. At higher elevations above 6000-7000 feet, these species tend to also have difficulty with winter survival. Even the cooler night temperatures at these elevations challenge these species in a lawn environment. Cool temperatures reduce warm season grass competition with more robust cool season weeds and also significantly reduced traffic tollerance. Other limitations of buffalograss and grama species are:
- Short growing season (five months)
- Succeptibility to herbicide injury
- Widespread weed problems
- Low shade tollerance
- Poor traffic tollerance
- More difficult to establish
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