N.Y. Comp. Codes R. & Regs. tit. 1 § 101.5
| Factor | Certified |
| Pure seed (minimum) ....... | 85.00% |
| Weed seeds (maximum) ....... | 0.50% |
| Objectionable weeds (maximum)1 ....... | 9 per lb. |
| Inert matter (maximum) ....... | 15.00% |
| Other crops, excluding other varieties (maximum) ....... | 0.50% |
| Other grass species (maximum) ....... | 0.25% |
| Other distinguishable varieties (maximum) ....... | 3.00% |
| Germination (minimum) ....... | 75.00% |
Footnotes
1 Objectionable weeds are: Bracted plantain (Plantago aristata), buckhorn plantain (Plantago lanceolata), docks: curly (Rumex crispus), bitter (R. obtusifolius), green (R. conglomeratus), smooth (R. altissimus), sour (R. acetosa); sorrel (Rumex acetosella), giant foxtail (Setaria faberii), and wild carrot (Daucus carota). Kentucky bluegrass seed shall be free of the following weed seeds: Bindweed (Convol vulus arvensis), Canada thistle (Cirsium arvense), dogbane (Apocynum cannabinum). horsenettle (Solanum carolinense), leafy spurge (Euphorbia esula), pennycress (Thlaspi arvense), Russian knapweed (Centaurea repens), white top (Lepidium draba)-(Hymeno physa pubescens), bedstraw (Galium spp.), dodder (Cuscuta spp.), perennial sow thistle (Sonchus arvensis), quackgrass (Agropyron repens), corn cockle (Agrostemma githago) and wild onion (Allium spp.).
N.Y. Comp. Codes R. & Regs. Tit. 1 § 101.5