| Variety | Minimum Purity | Minimum Germination | Maximum* Other Crop |
Maximum** Weed |
| Kentucky Bluegrass | 97% | 80% | 0.1% | .02% |
| Red Fescue | 98% | 90% | 0.1% | .02% |
| Chewings Fescue | 98% | 90% | 0.1% | .02% |
| Tall Fescue | 98% | 85% | 0.1% | .02% |
| * | Must be free of ryegrass, orchardgrass, timothy, Agrostis sp., black medic, Poa trivialis, brome, reed canarygrass, tall fescue, clover, and meadow foxtail. Maximum allowable Canada bluegrass .02%. When the base sample is one of these kinds, the species will not be considered a contaminant (i.e., tall fescue in tall fescue). |
| ** | Must be free of Big, Canby and Sandberg bluegrass, dock, chickweed, crabgrass, plantain, short-awn foxtail, annual bluegrass, velvetgrass, Vulpia sp., and noxious weed seeds as listed under WAC 16-302-100 and 16-302-105. |
| Variety | Minimum Purity | Germination**** | Other Crop* | Maximum Weed*** |
| Ryegrass** | 98% | 90% | 0.10% | .02% |
| * | Must be free of black medic, orchardgrass, timothy, Agrostis sp., Poa trivialis, brome, reed canarygrass, tall fescue, clover and meadow foxtail. Maximum allowable Canada bluegrass 0.02%. |
| ** | Maximum fluorescence levels as determined by breeder or variety owner. |
| *** | Must be free of Big, Canby and Sandberg bluegrass, dock, chickweed, crabgrass, plantain, annual bluegrass, velvetgrass, Vulpia sp., short-awn foxtail, and noxious weed seeds as listed under WAC 16-302-100 and 16-302-105. An additional 0.07% of weedy Bromus spp. will be allowed. |
| **** | 85% minimum germination allowed on ryegrass varieties as designated by the breeder or variety owner. See list maintained by the seed program. |