Inert matter, such as sand or seed hulls, is also listed. Inert matter cannot grow, but is added to bargain grass seed mixtures to add weight or volume to the package, so you pay more for the package, but get less seed. You only want to pay for the seed that germinates. The analysis panel lists the percentage of seed that actually sprouted in laboratory tests. Select a seed mixture that is similar to the grasses in your lawn and will do well in the conditions there.
Kentucky bluegrasses are dark green with medium-textured blades.
Bluegrass spreads by tillers and rhizomes, a durable underground system that creates tightly-knit turf. This makes it popular for high-traffic areas. However, bluegrass does not perform as well in the shade as other grasses, such as fine fescue, or in the sub-tropical climates of southern states. Ryegrass varieties are frequently used in seed mixtures because they germinate and establish quickly. Ryegrass is frequently used in conjunction with bluegrass to provide a turf that fills in rapidly and can be planted in heavily used areas.