To quickly transform your lawn's brown patches into lush green grass, try hydroseeding, a landscaping process that makes seeding a lawn a whole lot easier.

By Jenny Krane
Updated February 26, 2020

At one time or another, we've all seen that one patch of the yard that just won’t grow grass, no matter how much its fertilized or watered. Instead of trying to fix those troublesome grass areas by routinely tilling and laying down grass seed, try hydroseeding your lawn. You can get help from professionals or use DIY hydroseeding kits to get your lawn back to its prime.

Image courtesy of Getty.

What Is Hydroseeding?

Hydroseeding is a process of laying grass seed where you spray a mixture of mulch, seeds, fertilizer, and water over a barren patch of the lawn. You can buy premade hydroseeding mixtures, or you can try your hand at making a DIY hydroseeding mixture (it may be cheaper that way!). That mixture leaves a layer of protection and nutrients on the applied area while also giving ideal germination conditions for the grass seed.

There are many benefits to using the hydroseeding method versus hand-sowing grass seed. The mulch in the mixture protects the seeds so they have time to germinate and it bonds to the soil so the mixture won’t blow away or erode with rain. As the mulch decomposes, it adds extra nutrients to the soil.

You can add a colorant into the mulch mix so it blends into your lawn. Look for nontoxic dyes and avoid dyes like Malachite green that can be harmful to aquatic life. Since it decomposes, hydroseed doesn’t need to be removed after application. After spraying the hydroseeded area, keep the mixture wet consistently for the first two weeks—that means watering the area two to three times a day, depending on your climate. Keep pets away from the area by putting up flags or a temporary fence and avoid walking on the sprayed mixture for the first few weeks.

Hydroseeding vs. Sod

Installing sod is a great way to get instant results: The patched area looks full right away, and you can walk on the sod immediately after installation. That instant-gratification installation, however, comes with a high price tag. If hand-seeding isn't working and you don't want to splurge on sod, hydroseeding is the next best thing. Although there's a longer time that you cannot walk on the patched area, this process falls in the middle of the road when it comes to pricing—and, it grows faster than hand-seeded grass.

Hydroseeding Supplies

To get access to hydroseeding equipment, hire a professional service or rent the equipment from a lawn care company. You can find small, handheld hydroseeding kits like the Hydro Mousse Liquid Lawn System, $ 19.98 on Amazon, but the best DIY hydroseeding comes from professional-level equipment. Professional hydroseeding companies often have many options of what type of grass seed, fertilizer, and soil treatments you can have in your mixture. It’s always best to test your soil before going to the pros so they can help you find the best combination for your yard.  If you rent equipment for DIY hydroseeding your lawn, you can find hydroseeding mulch online or at home stores that you can use to make your own mixture.

Hydroseeding Cost

If hydroseeding is so great, you’re probably wondering how much it costs. Lucky for us, it’s pretty affordable. According to HomeAdvisor, the cost averages between $0.06 and $0.20 per square foot—$2,000 to $4,000 per acre. Rolls of sod typically fall into the range of  $0.28 to $0.45 per square foot. So, if you’re just tackling that troublesome patch your dog has worn down to the soil, it’s going to cost far less.  However, you should get estimates from a few local companies to make sure you are finding the best deal.

If you’re tired of being disappointed every year when your grass seed doesn’t take, give hydroseeding a try. If you don't feel confident DIY hydroseeding your grass the first year, look to a professional for guidance. With protection from erosion, wind, and extreme heat, you may have more success in getting the full, lush lawn you’ve always dreamed of.

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