The answer to the cost of seeding in Illinois is that it can vary widely depending on several factors. In general, the cost of seeding a lawn in Illinois can range from $0.10 to $0.50 per square foot, with the average being around $0.25 per square foot. The total cost will depend on the size of the area being seeded, the type of seed used, any necessary soil preparation, and whether you choose to do it yourself or hire a professional landscaping company.
Factors that can affect the cost include the type of grass seed (cool-season grasses like fescue or bluegrass tend to be more expensive), the condition of the existing soil, whether any grading or soil amendments are needed, and the labor costs for professional installation. DIY seeding is generally less expensive, but it requires more time and effort on your part. Hiring a professional landscaper can provide a higher-quality result, but will typically cost more.