Should you seed over sod?
When to reseed over dead sod
The soil will be warm and the grass will be actively growing. The weeds won't be as vigorous as what they would have been during spring and summer. ... If it's not possible to reseed in the early fall/autumn, the next best time is during mid-spring. Wait until the grass is actively growing.
Is it cheaper to lay sod or seed?
When it comes to price in sod vs seed, seed will always win. Seed will always be much cheaper due to the low amount of labor needed to cultivate it compared to sod. ... On the other hand, sod costs an average of $1.29 per square foot, which is over 137% more expensive!