Specifications include, but are not limited to: Kentucky Bluegrass – Individual varieties selected must make up not less than 10%, nor more than 35% of the total mixture on a weight basis. All varieties must be certified. Selections can be made from Category I alone or various combinations of Categories I and II. Kentucky bluegrasses listed as “Promising” (Category II below) can account for no more than 35% of the blend by weight). Category I – Recommended Kentucky Bluegrass Varieties (65–100% of blend by weight). Aries, Blue Bank, Blue Coat, Blue Note, Bolt, Full Back, Hampton, Legend, Midnight, Noble, Skye, and Sudden Impact3 . Category II – Promising Kentucky Bluegrasses (10–35% on a weight basis). Aramintha, Barvette HGT, Endurance, Heidi, Keeneland, Mazama, Merlot, NuChicago, Oasis, and Wildhorse1 (Wildhorse is only for mixing with tall fescue). Tall Fescue –Both recommended and promising varieties can be used in the VCIA Sod Certification Program.