The answer to 'which is better sod installation or' is that sod installation is generally better than seeding for most homeowners. Sod provides an instant, mature lawn that can be enjoyed right away, while seeding takes several months to grow in and establish. Sod also helps prevent soil erosion and weed growth during the establishment phase.
The main benefits of sod installation include a lush, green lawn in just a few days, less maintenance in the first year, and better weed and erosion control. The downside is that sod is more expensive upfront than seeding. But for many homeowners, the convenience and quicker results of sod make it the better choice, especially if you want an instant lawn.