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How To Plant Grass Seed In Bare Spots: Spot Seeding A Patchy Lawn

Updated on November 15, 2015
Spot Seeding A Lawn
Spot Seeding A Lawn

Spot Seeding for a Green and Healthy Lawn

Planting Grass Seed In Bare Spots: If you have a few patchy areas in your lawn - and whose lawn doesn't - spreading a little grass seed helps to fill in the bare spots. With a little preparation, you can increase the germination rate of the grass seed and help the little seedlings develop a deep root system for strong growth.

Spring is the most common time to spot seed a patchy lawn. After the long winter, the longer days and warmth of Spring triggers a grass growth spurt and often highlights the bare areas in the lawn.

Fall is also a good time to spot seed a patchy lawn. After the long and hot summer, the grasses break their dormancy with a late season growth spurt. The days are still sunny and warm, and the cooler nights encourage new top growth and root development as the grasses prepare for the long winter ahead.

Photos by the Author

Seeding A Patchy Lawn
Seeding A Patchy Lawn

Assess Your Grass Seed Needs

As you walk around your yard, take note of the patchy lawn areas and bare spots. Where are they located? In a shady area under trees, or on a sunny slope? In a high traffic area where the ground is compacted as hard as rock? Or maybe where the dog has left little brown spots?

After determining the areas of the lawn that need a bit of attention, buy a fresh bag of grass seed that best meets the specific patchy lawn situations in your yard. For example, a quality grass seed composed primarily of perennial rye and red fescue will perform well in the Northeast. If the area in need is located in the bright sun or in the deep shade, buy a grass seed mixture that is formulated to perform under these conditions.

And only buy grass seed with the highest percentages of perennial seeds rather than the cheaper mixtures with higher percentages of annual grasses. After the perennial seed germinates and takes hold, the grass becomes established without re-seeding.

Buy Fresh Grass Seed

Things You Need:

  • Fresh Grass Seed
  • Steel Garden Rake
  • Compost or Garden Soil

Grass seed has a short shelf life. Fresh grass seed has a much higher germination rate than seed that spent a year in a garage or garden shed. Though quality grass seed is not cheap, spend the few extra dollars to buy a new bag of seed rather than risking all of the time and effort on planting seed that won't germinate properly.

Check the label to ensure that the seed is fresh; the major seed producers include an expiration date on their packaging.

Prepare the Soil

Over-seeding a patchy lawn is much easier than starting a new lawn, but the soil preparation is just as important. If you have a lawn irrigation system, turn on the zone where you intend to plant. A little water will moisten the soil, making it easier to work the surface of the ground with a rake or a hoe. Loosen the soil at least two to three inches deep, but try not to disturb the roots of the established grass surrounding the bare spots.

Now is also the time to work in a little compost or garden soil into the lawn. The extra nutrients will not only help the new seed to grow, but the neighboring grasses will also benefit.

Seeding A Patchy Lawn
Seeding A Patchy Lawn

Spread the Seed

After the soil is loose and moist, sprinkle the seed into the bare spots and over the surrounding area.Since we are just spot seeding, it is easy to cast the seed by hand rather than using a lawn spreader.

And spread more seed per square foot than the package recommends. The higher density of seed fills in the patches better as the grass starts to grow.

New Grass Growing In A Patchy Lawn
New Grass Growing In A Patchy Lawn

Water, and Water Again

Once spread, lightly press the grass seed into the soil to ensure good contact. Depending on the size of the patch, either step gently on to the seed or use the back of a garden spade. If you like to add fertilizer, sprinkle a small amount over the seeded area. Water the gently, taking care not to wash away or displace the seeds.

After the initial watering to hold the grass seed in place, keep the patchy lawn moist and do not let the newly planted seed dry out. Set your irrigation system to water twice daily, first in the early morning and then again in the late afternoon. The grasses will germinate in about a week to ten days, and will grow quickly in the cool spring and autumn weather.

How To Plant Grass Seed In Bare Spots:

  • Use fresh grass seed for the highest germination rates
  • Water consistently, and do not let the seed dry out
  • Grass seed germinates best in the fall and spring, when the days are warm and the nights are cool.
  • Avoid spreading grass seed during the hot and dry summer months.

Our Lawn Looks Pretty Good!
Our Lawn Looks Pretty Good!

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How To Kill Nutsedge

Nutsedge Plant
Nutsedge Plant

There are two types of nutsedge found commonly in lawns and garden beds throughout North America: Yellow Nutsedge and Purple nutsedge. The two plants closely resemble each other and though I think the invader in my front yard is the Yellow Nutsedge variety, I'm not really sure. It doesn't really matter if it's yellow or purple; it was spreading quickly and I wanted it gone.

There are several products available that claim to kill nutsedge. I tried a couple of different general lawn care products that target weeds, with different levels of success. However, the nutsedge seemed too tough for the general-purpose weed killer that targets the pest plant but leaves the grass alone.

Then, a colleague recommended Ortho Nutsedge Killer for Lawns so I ordered a couple of bottles. This product comes premixed in a small spray bottle and applying the Nutsedge Killer is as easy as spraying the offending plant with the lethal liquid. Coverage is somewhat spotty, and I used about a bottle and a half to spray about a ten-square foot area plus hitting several isolated little nutsedge islands that popped up here and there around the lawn.

The impact was almost immediate and within 48-hours, the nutsedge was already turning brown and starting to wilt.

This isn't a guarantee that Ortho Nutsedge Killer will work for you but if you are trying to control this botanical pest, buying a bottle or two seems like a small risk. I'm sure that I'll need to buy more in the future, because nutsedge is a tough perennial and there are still lots of little tubers just beneath the surface that are waiting for their turn to sprout. If too many do, they'll get hit with a dose of Ortho Nutsedge Killer.

Nutsedge
Nutsedge

Rid Your Lawn of this Invasive Weed

Product Review: Ortho Nutsedge Weed KillerNutsedge is perennial grass-like plant that spreads by seed or through underground rhizomes and tubers. Its three-side stalk easily identifies nutsedge as a member of the sedge family. Pluck a stalk from the ground and gently roll it between your thumb and forefinger. If the plant is a nutsedge, you will feel the triangular shape of the stalk.

Once established in a lawn, nutsedge spreads quickly and aggressively during the warm summer months, and is very difficult to control. Within a few days of mowing the lawn, the bright yellow-green nutsedge leaves grow above the rest of the grasses. As the cold weather approaches, leaf growth slows and the nutsedge seems to disappear among the blades of turf grass. But it is still there, going dormant for the winter and getting ready to burst forth in greater numbers in the following spring.

Sedgehammer Plus Nutsedge Herbicide

Got Moles? Then You Got Grubs

Get Rid of the Grubs, and the Moles will move on.

10 Million Live Beneficial Nematodes Sf - Fungus Gnat/Rootknot Gall Exterminator
10 Million Live Beneficial Nematodes Sf - Fungus Gnat/Rootknot Gall Exterminator

Beneficial Nematodes are microscopic organisms destroy pests that live underground. They will seek out and destroy more than 230 different kinds of soil dwelling and wood boring insects, including Japanese beetles, cut worms, wire worms, weevils, white grubs, fungus gnat larvae, flea larvae, subterranean termites, and many more.

 

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    • profile image

      julieannbrady 4 years ago

      Oh man!!! Can we talk? I have been inundated with crabgrass and quite an assortment of other weeds this year. In the front lawn, the crabgrass invaded ... I was pulling it and created a bare spot or two. The HOA sent me a "lawn violation" letter about said bare spot. I explained "I created that bare spot by weeding." So, then began the journey ... I laid almost 80 pieces of sod ... pulled more crabgrass. Then, I dug up the side yard where the neighbor killed the grass two seasons in a row with his vegetable garden on the other side of the fence. Now that is a 6 Mexican Petunia garden with red mulch and Holland red/gray brick pavers as edging. Next! I dug up my front side yard and put in a 2 unit design with 2 MPs each trimmed with Holland red/gray brick pavers and 12 inch square red brick stones. Red mulch throughout ... looks pretty good. Now! I have a larger backyard that is loaded with a particular rooty weed with little purple flowers. Got some Image weed killer. Yeah, I had a patchy lawn.

    • Allison Whitehead profile image

      Allison Whitehead 4 years ago

      Nice lens. I'm re-seeding a few patches now... fingers crossed for good results!

    • profile image

      lakebottomblanket 4 years ago

      I won't believe such a large collection of weed killers & definitely use them for my lawn.

    • Lady Lorelei profile image

      Lorelei Cohen 4 years ago from Canada

      My husband made the sad mistake of years ago bringing in some dirt from a field he was passing by. Turns out it was loaded with weed seed. What a fight now to maintain a great lawn organically. Yikes.

    • profile image

      anonymous 5 years ago

      I love how you have lawnmowers here...kind of an act of faith that those re-seeded lawns will grow!

    • Mary Crowther profile image

      Mary Crowther 5 years ago from Havre de Grace

      I have some patchy spots in my lawn and I will use your tips. Thanks!!

    • profile image

      jmatts1 5 years ago

      Nice lens, thanks for the info.

    • Lady Lorelei profile image

      Lorelei Cohen 5 years ago from Canada

      It is very hot in our community in the summer, and the past couple years we have been fighting ants, so our lawn has quite a few patches that need repair. Guess this is the year to get with it and fix up those patches. Rats!

    • profile image

      anonymous 5 years ago

      Returning with fresh angel dust to mix into your grass seed mix for a happy lawn, angel dust has a shelf life..just like grass seed!

    • profile image

      anonymous 5 years ago

      Oh wow, thanks for this lens. I was actually wondering about how to fill in grass patches for the first time this weekend when I went to visit a cousin who works at a hardware store. They had a big display of grass seeds lol Now I know!

    • profile image

      poutine 5 years ago

      Thanks for all these great tips.

    • profile image

      anonymous 5 years ago

      Nice lens. Very informative, and I liked the section on blade sharpening and replacement.

    • profile image

      dnmarket 5 years ago

      I love how the mow lines are in perfect unision

    • profile image

      anonymous 5 years ago

      Now I didn't know that grass seed has a shelf life, that is something good to learn and pass on. This is a bonus lens with your well detailed instruction for sharpening a lawn mower blade.

    • profile image

      blanckj 5 years ago

      Beautiful! Thanks for the tips. We have issues with crab grass and moles. I will definitely try your tips. Blessed!

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