To plant new grass seedlings on an existing bermuda lawn you first need to prepare the lawn area by coring.
Overseed bermuda grass in fall.
Finally don t overseed a new bermuda lawn unless it s been established for at least 90 days.
How to overseed bermuda grass.
This is the minimum duration required for bermuda grass underground shoots rhizomes to fully mature.
The cool season grass will germinate in the fall and begin to grow as your bermuda grass is going dormant.
As spring arrives your bermuda grass will begin to green as normal.
Late spring or early summer is ideal for overseeding warm season grasses in the south.
Before overseeding your thin lawn cut your grass shorter than normal and bag the clippings.
During this spring transition the over seeded grass and bermuda grass will both be alive and will be competing with one another.
Bermuda centipede saint augustine and zoysia are warn season grasses.
Grass seed is better able to retain moisture during the fall and seedlings will thrive without the extreme heat that occurs in the summer months.
Cool fall weather starts earlier in the north so overseed your cool season grass by late summer or early fall if you live in there.
After mowing rake the lawn to help loosen the top layer of soil and remove any dead grass and debris.