[header] How to grow grass [title] Choose cold-weather varieties if you have mild summers. [step] Cool-season grasses, like fescue, do best in cooler temperatures, but can struggle to survive in hot summers. There are planting maps available online that show color-coded regions for cool, warm, and transition zone grass. 
[substeps] Some grasses, such as fescue, will turn brown and go dormant in order to survive more extreme temperatures. It isn't dead and will usually come back when the temperature is more moderate.