Sow Bermuda grass seed in the spring or fall. The fall is a better time because it gives the grass a chance to become established before hot summer weather arrives the following year. It is relatively common for Bermuda grass to become established within 60 to 90 days.
It is difficult to kill Bermuda grass once it's established because it germinates quickly. Bermuda grass handles heavy traffic well and can deal with salt spray, making it a good choice in North Carolina.
The soil in North Carolina commonly suffers from low pH, making it acidic. If your soil pH needs to be raised, amend it six months before planting Bermuda grass seed by adding agricultural-grade limestone. Use the results of a soil test to determine how much limestone to add.