Eliminate any depressions or raised areas. Taking shortcuts in soil and site preparation often leads to assorted lawn problems later. Take the time and effort to do a thorough job before seeding or sodding. The decision whether to seed or sod involves a number of factors. Assuming planting is done properly, the end result of a healthy lawn should be the same.
Timing is critical to assure success when seeding lawns.
Mid August to early September is the ideal time for seeding lawns in northern areas. April would be a second choice. Seeding in late spring through mid-summer often leads to problems. Dormant seeding, occasionally done by professional groundskeepers, is difficult and thus not suggested for homeowners. Seeding rates are found below.