How To – Lawn Renovation via Aeration & Verticutting

Lawn Care

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Successful results from a proper verticut and overseed for cool season fescue grass.

Lawn renovation is the goal. Aerate or verticut is the question. Knowing and understanding the benefit of each action is key to a successful lawn renovation. If the Summer looks to have taken its toll your lawn, or maybe it was kids or pets. Regardless of the cause, the lawn looks rough and you’re probably wondering what steps to take to get it back in shape. In the post below, we provide information on the differences between the different methods of lawn restoration. Continue reading below to clarify these actions by: how they are done, why they are done and what do they cost.

Lawn Renovation – Aeration

Imagine your lawn is like a big green carpet made of millions of grass plants. Beneath this carpet, there’s soil where the roots of these plants live and grow. For these roots to be healthy, they need to breathe, just like how we need air. Over time, the soil can become packed down and hard, almost like it’s squishing together too tightly. When this happens, it’s tough for air, water, and nutrients to get through the soil to the roots.

Lawn aeration is like giving the soil a bit of a massage to loosen it up. During aeration, small plugs or cores of soil are removed from the lawn using a special machine called an aerator. This process creates little holes throughout the lawn.

Benefits of Lawn Aeration:

Breathing Room:

By removing these small plugs of soil, air can easily reach the grass roots. It’s like opening windows in a stuffy room!

Thirst Quencher:

The holes also allow water to penetrate deeper into the soil, ensuring the grass roots get a good drink.

Nutrient Boost:

With the soil loosened up, fertilizers can reach the roots more effectively. This provides the grass with essential nutrients to grow strong and healthy.

Root Growth:

Because of all the good stuff the roots are getting (air, water, nutrients), they can grow deeper and thicker, making the grass healthier overall.

Disease Prevention:

Compact soil can lead to waterlogging, which can, in turn, lead to diseases in the lawn. Aeration helps in preventing this by improving drainage.

Thatch Breakdown:

Thatch is a layer of dead grass and roots on top of the soil. A little thatch is okay, but too much can block water and nutrients. Aeration helps break down thatch, allowing the lawn to breathe better.

In short, lawn aeration is like giving your lawn a spa day. It helps it breathe, drink, and absorb nutrients better, ensuring it stays green and healthy!

While lawn aeration has many benefits, there can be some negative effects if it’s not done correctly or at the right time.

Negative Effects of Lawn Aeration:

Bad lawn aeration and overseed. Aeration resulted in seed only growing in plugs and holes.
Bad lawn aeration and seed.

Timing Issues:

If you aerate at the wrong time of year, especially when weeds are growing aggressively, those weed seeds can settle into the holes and grow faster. This could mean more weeds in your lawn.

Stress on Grass:

Aeration is somewhat stressful for the lawn. If done too frequently or during periods of high heat or drought, it can weaken the grass, making it more vulnerable to diseases or pests.

Surface Disruption:

The plugs or cores pulled out during aeration can be unsightly, creating a messy appearance. While they usually break down with time and can benefit the soil, some people might not like how it looks initially.

Possible Root Damage:

If done too deeply or aggressively, aeration can damage grass roots, slowing their growth and potentially weakening the lawn.

Overseeding Complications:

People often overseed after aeration. If not done right, this can lead to uneven grass growth, with some areas becoming too thick and others remaining thin.

Cost and Effort:

Regular aeration requires equipment, either rented or purchased. It also takes time and energy. For some, the effort and cost might not yield the desired benefits, especially if other lawn care practices aren’t followed.

In summary, while lawn aeration can be great for helping grass roots breathe and access nutrients, it’s essential to do it correctly. Like many things, timing and method matter. If not done right, it can lead to a few unwanted problems for your lawn. An important consideration is that aeration is NOT the best way to overseed. For overseeding, you want to verticut.

Lawn Renovation – Verticutting:

First, let’s understand “verticutting.” Think of your lawn as having a hairdo. Over time, it can get tangled and messy, making it hard for anything to get through to the scalp. Similarly, your lawn can have a layer of dead grass, roots, and debris called “thatch.” If this layer becomes too thick, it acts like a barrier, blocking water, air, and nutrients from reaching the soil and grass roots below.

Verticutting, also known as vertical mowing or dethatching, is a process where a machine with vertical blades slices through the lawn and thatch layer. These blades cut into the soil slightly, breaking up the thatch and creating thin channels or slits in the ground.

Lawn verticut restoration showing the lines in the ground ready for seed.
Lawn restoration verticut lines ready for seed.

Benefits of Verticutting:

Breaking Barriers:

By slicing through the thatch, it allows water, air, and nutrients to easily reach the grass roots.

Encouraging Growth:

By creating slits in the soil, it can encourage the grass to grow thicker and healthier.

Lawn Renovation – Overseeding:

After verticutting, the lawn looks a bit rough since it’s been sliced up. This is where “overseeding” comes into play. Think of overseeding as sprinkling new seeds over the existing lawn, almost like adding fresh sprinkles to a cake. By doing this, we’re introducing new grass to fill in any bare or thin spots.

Benefits of Overseeding:

Successful results from a proper verticut and overseed for cool season fescue grass.
Successful verticut and overseed.

Fuller Lawn:

Adding new seeds helps the lawn become denser, which means fewer spots for weeds to grow.

Vibrant Look:

Freshly grown grass from the new seeds can make your lawn look greener and more vibrant.

Improved Health:

The new grass varieties introduced can be more resistant to diseases, pests, and drought.

In combination, verticutting and overseeding revitalize your lawn for a successful lawn renovation. It’s like giving your lawn a makeover, removing the old, tangled mess and adding fresh, new life to it!

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Let’s Talk Lawn Fertilizer Treatments

Hometown (Olathe, KS) offers commercial fertilizer lawn treatment services to the Johnson County area. I’m licensed in this and I have trouble keeping up. Keeping up with the latest competitor’s marketing plan that is. Hopping into the Way-Back Machine we used to get away with just a few turf applications a year. Today I see companies offering up to nine… 9 applications in a year. Huh? So, why is one company at 6 another at 7 and some at more? Let’s break that down.

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BALANCE

Lush green grass is everyone’s goal. Barring mechanical activities, to get to lush is a balance of 3 criteria. Sun, food and water. I tell all my clients, grass needs sun, food and water. However, too much or too little, of any or all, and you won’t have grass. This post is about the food part of the balance, with a bit of medicine.

Commercial lawn mowing

BACKGROUND

Here in KC, we have a majority of lawns established as cool-season grasses. Bluegrass and fescue. I like to ask new clients if they have a Bluegrass or Fescue lawn… if they don’t rattle off Bluegrass or say I don’t know, then I jest “You have Fescue, because you would know if you had Bluegrass.” The reason is the dedication it takes to maintain a Bluegrass lawn in KC. The fine blade is very vulnerable to our harsh climate. So, we have 3-way Fescue blend grasses. What that means is there are 3 different species of fescue in a blend.

A proper fertilizer program assists for a beautiful lawn.

Common points for creating a blend are these three criteria:

  1. Beauty
  2. Disease Tolerance
  3. Drought Tolerance

There’s no such thing as an “all-around” single species, so we blend three of the best individual species for each of the noted above. 

NEED

Food is good. All living things require nutrients and grass is no exception. An industry rule-of-thumb is to target 2-4 pounds of nitrogen per 1,000 sqft per year on a cool-season turf grass lawn. An annual lawn fertilizer program at a minimum should deliver this 2-4 lbs/1,000 sqft /year.

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PESTS

A pest is defined as the “outsider”. Whether it be plant or animal, pest control is part of proper turf management. Pest control can be done environmentally and/or chemically. Today we are discussing chemical. Organic pest control pretty much should be non-existent. Get just about any researcher alone, and they will off-the-record tell you. Consequently, we don’t offer an Organic pest option, we recommend to use an environmental one instead. 

Pet safe lawn fertilizer treatments

Common Kansas City cool-season turf grass pests are:

  1. Crabgrass
  2. Broadleaf Weeds
  3. Insects / Worms (Grubs)    

An annual lawn fertilizer program should address all three of these cool-season pests.

DEFENSE

The best defense is a good offense. We’ve all heard that cliche. In lawns it’s applies as well.  A dense turf is the best defense to pests. A dense turf will require less spot treatments, ie: chemicals as well as prevents erosion and is complementary to the landscape. 

OVERALL
Fertilizer application

A fertilizer application program can only do so much. Although it is both pro-active and re-active, it takes time to become effective. I advise clients it’s a year to start to see results and two years to really see the effects. Of course, in combination with proper mechanical and cultivation management.

Overall, a fertilizer program is a global address to turf health and not a be-all, end-all in lieu of proper cultivation, maintenance and watering. Turf management is a science, a skill and an art. What can take years to achieve, can take minutes to destroy and having a professional service provider can provide proper guidance to get the lawn of your desire.

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So, down to brass tacks…

  1. Needs
    1. 4 lbs of nitrogen
    2. Crabgrass granular prevent
    3. Broadleaf Control
    4. Grub Control
  2. Options
    1. Insect Control
    2. Ph balancer
    3. Additional Nitrogen

I’m going to use our 6-Step Fertilizer Program as an example of how to achieve the minimum needs for an annual fertilizer program in Kansas City.

  1. Split Application of Crabgrass Prevent 13-0-0
  2. Split Application of Crabgrass Prevent 19-0-0
  3. Broadleaf Control
  4. Grub Control
  5. Fertilizer 18-24-12
  6. Winterizer 46-0-0

This program calculates to approximately 3.5 lbs. / 1,000 sqft / year

So we can see, we can hit the needs of most lawns in the 6 steps of our program. More steps would be required to address insects or to increase nitrogen, make it GREEN! Some lawns would need more, but only if a need is shown. It’s not something that would be assumed or should be pitched “just because”. 

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