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The Secret to a Great Lawn : Aeration, Top Dress, Overseed 

2/15/2013

7 Comments

 

LAWN PREPARATION

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  • Have your soil pH tested.  After aerating is a great time to add nutrients to the soil.
  • Look into adding a mycorrhizal fungi drench after aerating to really have your yard looking great.  
  • Mow your lawn to the lowest recommended height for your turf type.
  • Lightly irrigate your lawn 30 minutes prior to aerating.  This will help make core aeration easier.

CORE AERATION

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This is one of the best things you can do for your lawn.  It reduces soil compaction and thatch by removing small plugs of small plugs of soil throughout your yard.  This allows more movement of air, water, beneficial insects and microbes.

When to aerate your lawn
You should core aerate in early spring, shortly after your warm season grass begins to green up. In the spring, be sure to irrigate your yard for the next week to ensure it does not dry out.  The other time to do this is in the fall after it has started to cool down some.  I do not recommend doing this in the middle of summer since grass can get stressed due to the extreme heat and lack of rain.

How to aerate your lawn
You can rent a machine to do this from nearly any rental store.  If you have a large piece of property, there is a version you can drag behind a tractor or four wheeler. Do not use a tine aerator or spiked shoes, they actually compact the soil more. This can be a pretty physical task, so if you may want to look into hiring someone if this seem a bit much for you.

Use the machine in the same pattern as you would to mow your lawn.  Make three to five passes in spring but only one to two passes if aerating during the fall.  If you are aerating soil that is mostly clay, you will want to use a rake to remove as many of the plugs as you can.  Other soil types are fine to leave on the lawn. The aeration cores left on your lawn will go away on their own when it rains or your water your lawn.


TOP DRESSING

Why top dress
  • Top dressing is great for leveling out uneven areas and low spots.
  • It reduces compaction in high traffic areas.
  • It is also an excellent way to keep your lawn healthy with a "working in" of fresh soil.

What soil to add

  1. River Silt - We recommend river silt for most people in the southern Louisiana area.  It is easy to get and it is most likely the soil used to plant your lawn originally.
  2. Peat, Loam, Sand Mix - You can mix in a combination of peat, loam and coarse sand if you have a need for it with your lawn.
  3. Compost - If you can find it (or make it), compost is a great option to topdress with. Be sure to use less of it with Centipede and St. Augustine grasses.  Unfortunately, there are not many suppliers in our area that we have found that will supply a high quality product you can order in bulk for a reasonable price.
  4. Sand - Sand is also a acceptable in a few situations. Unless you work on a golf course, it is not recommended in most situations.
  5. Bed Builder - We don't recommend using bed builder or a lot of anything with a large amounts of organic matter since centipede and St. Augustine do not respond well to excessive amounts. This also has poor drainage and will lead to a muddy yard that holds water.
  6. Manure - Do not use manure. Trust us!


How to top dress
Top dressing is pretty simple.  Get soil, throw soil, repeat, rake when finished.  Below are a few ways to get this done.

The Hard Way
Wheelbarrow, a shovel and a rake.  Simply move it to the area you want to spread it and use the shovel to fan it out. Estimate it will take around three pounds of top dressing per square yard.  Keep the added soil to an added level of 1/4" to 1/3" inch. Much more than this and you will run the risk of killing some of your existing grass. When you are finished, you will need to use a rake to remove the soil that is resting on top of the grass itself. As you may notice, this will take a lot of time and Tylenol. The average size yard will take one person two or more days to finish.

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The Better Way
If you can find one, rent a top dressing machine. While you still have to load the machine and rake the remaining loose soil, it will make this project unbelievable easier.  The flaw in this plan is these are hard to find since most people do not do this to their yard.

The Easy Way
Hire a lawn company specializing in top dressing to do it.  While this option is more expensive, it will save your weekend plus the days of recovery afterwards.


OVER SEEDING

Why overseed
If your yard is healthy and full, don't worry about overseeding.  Keep good cultural practices and doing what you were doing to keep it healthy in the first place. If your lawn is starting to thin or if there are other grasses growing, overseeding will help with both.

When to overseed
The best time to overseed is during the growing season for the seed you are putting down.  For us this is between spring when temperatures are above 68 degrees and the early summer. You can still overseed in the middle of summer, but the grass will have less time to establish before winter and it will take more water due to the excessive heat.  There is some debate on whether to overseed before or after top dressing. I tend to favor doing it after since there is a rick of burying it too deep if you overseed before top dressing.
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Overseeding in spring and summer
Bermuda - Great for overseeding
Zoysia - Great for overseeding
Centipede - Only do this is there are are bare spots throughout your yard.
St. Augustine - Do not bother overseeding. If you have bare spots, use sod.

Overseeding in fall and winter
For all types of grasses, use a low growing rye grass to overseed your lawn in late fall. It will keep your lawn green all winter and will die off when it gets warm in spring.

How to overseed
You can overseed using a push spreader. Simply fill up the spreader, use the settings on the bag and keep a constant pace. Be cautious of where you spread the seeds (your flower beds) since grass will grow there.


JUST ADD WATER

Water your lawn immediately after and try to get a good five inches of water penetration into the soil.  You will need to keep your lawn irrigated daily for the next half of a month to make sure the seeds germinate.





If you live in the Greater Baton Rouge, Greater New Orleans or anywhere in Southeast Louisiana, please feel free to call us at 225.752.2333

7 Comments
gardening franchise link
7/17/2013 10:15:39 pm

I must say the blog post is just useful for everyone else reading it because the information and knowledge it contains is very important. I like the post! Excellent job! Keep sharing such valuable information through your blogs.

Reply
Wanda
4/10/2014 12:13:16 pm

I live in the Lake Charles area and have a hydroseeded centipede lawn that is 3 years old but front yard is still thin. Didn't add top soil before seeding so has a lot of clay. Aerated in September last year thinking it may be a compaction problem however my back yard is fine and thick. I plan on aerating again this month and then fertilizing. Was also thinking of topdressing with compost but since you mentioned it was hard to get a good compost and you are in Baton Rouge, was wondering if cotton burr compost is any good . This is what a nursery here has and looks rich and black, or should I just add top soil or maybe just do the fertilizing only after the aeration. I read if you compost, it keeps out a lot of weeds, but I have read soooo many things that it gets a little comfusing as what is the best thing to do. Thank you for your help.

Reply
GreenSeasons link
4/10/2014 11:44:45 pm

Cotton burr compost is great! Try aeration followed by a top dressing of cotton burr compost this time since you have a lot of clay composition in the make up of your soil. You could also top dress with river silt instead since it has less nitrogen and centipede doesn't need a large amount of nitrogen.

Reply
Wanda
4/19/2014 09:54:28 am

Thank you for the reply. Will try this. Unforturnately river silt is not available in this area so Cotton Burr it is.

Reply
Henry Killingsworth link
8/17/2022 02:10:20 pm

I like how you mentioned that hiring a lawn care company can help you save your weekend. My wife and I want to plant brand-new grass in our front yard and back yard. Laying down grass will probably take us a long time, so hiring a professional makes a lot of sense.

Reply
Mia Evans link
10/5/2022 10:08:34 pm

Thanks for helping me understand that aerating the lawn has to be done in early spring and after the warm season starts. I will keep that in mind now that I have moved into my new place this month. It has a wide front yard with lush grass which I have never experienced in my past properties, so I want to make sure that it will be taken care of properly by experts with tow behind turf aerators.

Reply
Olivia Smart link
11/15/2022 02:17:41 pm

Thank you for explaining that you should aerate your lawn in the spring. I've been wondering when I should do this to keep our lawn healthy. I'll be sure to schedule for this soon.

Reply



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  • HOME
  • ABOUT
    • Our Company
    • Charitable Dentations | GreenSeasons
    • Clients Served >
      • Campus
      • Commercial
      • Government
      • Industrial
      • Residential
      • Testimonials
    • Bios
  • SERVICES
    • Design / Build >
      • Landscape Design
      • Landscape Installation
      • Irrigation
      • Landscape Drainage Solutions
      • Outdoor Lighting
    • Landscape Maintenance
    • Mowing Service
    • Lawn Care
    • Christmas Lights
  • CONTACT
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    • Slidell Office
  • CAREERS
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