Demand for genetically modified crops has seen an increase in popularity. Along with the benefits modified crops provide, there are some concerns of their ecological impact. The objectives of the Roundup Ready® bluegrass study were to establish conventional cultivars of Kentucky bluegrass, tissue culture–regenerated genotypes from conventional cultivars and transformed lines (glyphosate resistant) of Kentucky bluegrass in order to evaluate their vegetative and reproductive traits. Assessing these traits will allow us to determine if the transformed plants pose an ecological threat. All lines will be studied in a mown, competitive as well as a nonmown, noncompetitive setting. Once established, comparisons of plant characteristics will be made for both the mown and nonmown settings. Seed characteristics and production will also be evaluated for the nonmown setting.