2019 NATIONAL ZOYSIAGRASS TEST LOCATIONS SUBMITTING DATA FOR 2023 State Location Code California Riverside CA3 Florida Gainesville FL1 Florida Jay FL3 Florida Ft. Lauderdale FL5 Georgia Griffin GA1 Indiana West Lafayette IN1 Kansas Manhattan KS1 Maryland College Park MD1 North Carolina Raleigh NC1 North Carolina Raleigh (Traffic) NC2 Oklahoma Stillwater OK1 Tennessee Knoxville TN1 Texas Dallas (Drought) TX1 Texas College Station (Shade) TX2