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*The Angi rating for Lawn Irrigation companies in Colman, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lawn Irrigation needs.

*The HomeAdvisor rating for Lawn Irrigation companies in Colman, SD is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Lawn Irrigation needs.

Last update on September 16, 2026

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Lawn Irrigation questions, answered by experts

Yes, many providers include aeration and soil testing in the seeding process. Confirm with your contractor.

You can, like you can put too little down. Sowing too much grass seed can create competition between the seeds for resources (light, water, nutrients) and the seedlings could struggle to grow. When you sow too few, your lawn will come in thin. Your seed product has a recommended seeding rate, so use that as your guide.

The best hardiness zones for St. Augustine grass are USDA growing zones 8, 9, and 10. However, with a bit of extra attention, it'll also grow well in zones 7, 11, and 12.

Start your search for a good lawn care company by finding some landscapers in your area; it might be a good idea to research companies that already work on your block, as they’re more likely to be able to fit you into their schedules, given your proximity. Next, conduct a search online to see if they have positive customer reviews, and try to avoid companies that have poor scores or a history of complaints with the Better Business Bureau. Finally, make sure to ask each company about pricing, contracts, scheduling, and any add-on services.

When stored under ideal conditions, grass seed lasts anywhere from 10 to 18 months from the testing date without any real decrease in the germination rate. You can still use the seeds after this timeframe, but the germination rates drop 10% to 20% each year. 

If you’re just embarking on an overseeding project, using seeds that have been in storage for a few years isn’t too big of a deal. However, if you’re planning on redoing your entire landscape, your best bet for a healthy, luscious lawn is to use new seeds.

The Colman, SD homeowners’ guide to lawn irrigation services

From average costs to expert advice, get all the answers you need to get your job done.

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