New varieties of turfgrass species enter the marketplace all the time; however, not all of them are tested by the National Turfgrass Evaluation Program (NTEP). The graphs below represent the approximate number of entries in NTEP trials in the last 15 years that were either already commercially available or became commercially available during the testing period. This does not include entries that were never commercialized, which were many. Also, it does not include any varieties that NTEP has never tested but are commercially available, of which there are plenty.

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