Lawn care in USDA zone 7

Kentucky bluegrass is the iconic cool-season lawn: fine-bladed, deep emerald-blue under fertility, and the only common species that spreads aggressively by rhizome (so it self-repairs from divots and dog spots).

Tall fescue is the cool-season grass of the transition zone, deep-rooted, heat-tolerant for a cool-season species, and shade-tolerant.

Fine fescue is the umbrella name for creeping red, chewings, hard, and sheep fescues: fine-bladed grasses that thrive in shade and infertile soil where Kentucky bluegrass and tall fescue would struggle.

Perennial ryegrass germinates in 5–7 days, faster than any other common lawn grass, which is why it is the standard "quick green-up" component of Northern seed blends and the standard winter overseed for warm-season lawns from zone 8 south.

Bermuda is the workhorse warm-season lawn of the South: heat-tolerant, drought-tolerant, traffic-tolerant, and aggressively self-repairing via both stolons and rhizomes.

Zoysia is the premium warm-season grass: denser, more shade-tolerant, and more cold-hardy than bermuda, but slower to establish and slower to recover from damage.

Centipede is the "lazy lawn" of the Coastal Plain South: low-fertility, low-mow, slow-growing, light-green.

Buffalo grass is the native short-grass-prairie species: the only warm-season grass that survives zone 4 winters, and the only low-input lawn grass adapted to the Great Plains.