LawnStar
Liquid Lawn Dethatcher
Beneficial microbes & enzymes compost and digest harmful thatch
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$2795& FREE Shipping.
$5795& FREE Shipping.
Get it Mon, Oct 9 - Thu, Oct 12 if you choose free shipping at checkout.
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Allows water, air and nutrients to soak deep into the root system
Decreases risk of diseases, pests and trapped roots
Natural formula leveraging enzymes, biostimulants, humates + molasses
Decomposes thatch, grass clipping and other biodegradable lawn waste
Combine, or use as an alternative to manual dethatching
Treats up to 6,400 sq. ft.
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In continental US
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4.6/5
179
Total Reviews
Arthur Frenzel
11/08/2021
Used this product and I’m very pleased with the results.
Abraham Garcia
11/05/2021
I had some very thick patches of dead grass in my lawn. After the first application, I could see that they were starting to break up.
Andrew McGill
10/28/2021
I purchased the liquid dethatcher after I experienced grube damage in my lawn. I tried to rake as much dead grass as I could before overseeding, but noticed I could not get 100% of the dead grass. So I used the liquid dethatcher and noticed a difference within two weeks. After the first two weeks, I added another app. Be patient, and it will work.
Michael Emigh
10/23/2021
Applies good in garden hose sprayer. Looks like grass is starting to feed On broken down thatch.
Kevin Schieber
10/14/2021
Product greened up lawn very quickly and started to loosen the thatch. Excited to see what happens after the next two treatments.
Package Dimensions
7.6 x 5.2 x 2.2 inches
Item Weight
2.75 pounds
Shipping Weight
2.75 pounds
Safety Data Sheet
Click here to downloadUsage Instructions
For best results apply LawnStar Liquid Lawn Dethatcher before 10 am, or after 5 pm. This allows for decreased evaporation and greater efficacy. Application during the afternoon should be avoided.
Application should be repeated every two to four weeks (depending on thatch layer thickness) for best results.
May cause staining. Shake product well before use.
For pump-up garden sprayers
1. Mix 4–8 oz. LawnStar Liquid Lawn Dethatcher per 1,000 sq. ft. Premix with a generous amount of water to ensure sufficient spray volume for application.
2. Apply evenly across 1,000 sq. ft. of lawn
3. Water lawn for 20–30 minutes after application
For hose-end sprayers
1. Pour LawnStar Liquid Lawn Dethatcher into hose-end sprayer bottle
2. Set sprayer to "1 oz." setting
3. Evenly apply 4–8 oz. concentrate per 1,000 sq. ft. of lawn, depending on thatch layer thickness
Warranty & Support
Covered by the Evergreen Guarantee: If you aren’t satisfied with the results you get from trying any one of our products, contact us within 30 days of your order date and we will arrange a no-questions-asked return plus refund.
Support Email: [email protected]
Safety Information: Although we opt for the safest ingredients, it is important to treat it carefully as you would any other lawn and garden product. Keep out of reach of children. Do not ingest. Detailed safety information can be found on the backside of the product label, or by clicking on the Specification tab and reviewing the Safety Data Sheet.
Are you keeping an eye on the thatch layer?
Although often overlooked, keeping an eye on the thatch layer is pivotal for the long-term health of your lawn.
Thatch refers to the layer of dead turfgrass tissue that sits between the grass and soil/root system below. And while thatch is beneficial when maintained correctly, if it becomes too thick (more than half an inch), it has the opposite effect and becomes detrimental to your lawn.
A thick thatch layer often compliments compacted soil. It blocks air, water and nutrients from soaking deep into the soil and root system, effectively starving your grass from what it needs to sustain itself. On top of all that, a thick thatch layer promotes fungus, disease and insect infestation.
As Benjamin Franklin once rightly said “an ounce of prevention is worth a pound of cure”.
Are you at risk?
We could harp on about all the risks associated with letting your thatch layer get out of hand. As a general rule of thumb, you should be dethatching your turf at least a couple times a year. But if you…
- Have heavy clay soil
- Overwater
- Mow too high
- Use too many herbicides or pesticides
- Use too many fertilizers
You may be even more susceptible to thatch overgrowth.
Meet LawnStar® Liquid Lawn Dethatcher
LawnStar® Liquid Lawn Dethatcher utilizes natural, front-line technology to combat thatch overgrowth from an unconventional angle–from beneath. By combining the powerful properties of biostimulants like enzymes, humates and molasses, our liquid dethatcher raises heat by encouraging microbial activity, creating an exothermic reaction that breaks down thatch.
In turn, as the thatch begins to melt, the organic stuff simultaneously gets eaten up, effectively feeding your turf.
It’s environmentally friendly and provides the perfect substitute if your turf isn’t able to be manually dethatched due to the time of season (or for any other reason).
Builds an armed troop of beneficial microbes in your topsoil
Begin applying in the warmer months and after a couple applications you’ll begin to establish a stable population of microbes that will fortify and protect your turf all the way through to the cold seasons.
Can be used alongside LawnStar® Fertilizers and other LawnStar® Adjuvants + Amendments to create a year-round, rock-solid lawn care program that’ll have your neighbors left scratching their heads trying to figure out how you did it.
Environmentally Friendly
Easy to Use
All Grass Types
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4.6/5
179
Total Reviews
Arthur Frenzel
11/08/2021
Used this product and I’m very pleased with the results.
Abraham Garcia
11/05/2021
I had some very thick patches of dead grass in my lawn. After the first application, I could see that they were starting to break up.
Andrew McGill
10/28/2021
I purchased the liquid dethatcher after I experienced grube damage in my lawn. I tried to rake as much dead grass as I could before overseeding, but noticed I could not get 100% of the dead grass. So I used the liquid dethatcher and noticed a difference within two weeks. After the first two weeks, I added another app. Be patient, and it will work.
Michael Emigh
10/23/2021
Applies good in garden hose sprayer. Looks like grass is starting to feed On broken down thatch.
Kevin Schieber
10/14/2021
Product greened up lawn very quickly and started to loosen the thatch. Excited to see what happens after the next two treatments.
STEVEN JACKSON
10/11/2021
Product has been on the lawn for two nights and i haven't seen any real results yet. I used the whole 32oz on my 2,000sq ft backyard
FARAH CHAJIN
10/06/2021
It works as advertised, you do need to give it time to do its job, though. Would recommend!
Zhanxiang Wang
10/01/2021
Great product. Very well packaged and delivered on time.
Jason Stewart
09/28/2021
Great product!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Jack Smithy
09/28/2021
I was lured into the lawnstar products by the liquid dethatcher. I liked the idea of spraying the lawn as opposed to raking the thatch out. I have a tow behind unit as well but it just does not get the same results as what raking does. I have to say I was not expecting much from the liquid dethathcer but I paired it with the liquid aerator and I could see the difference just about 4 days after treatment. The layer of brown thatch was thinning and I could see soil layer. Very good buy!
Package Dimensions
7.6 x 5.2 x 2.2 inches
Item Weight
2.75 pounds
Shipping Weight
2.75 pounds
Safety Data Sheet
Click here to downloadUsage Instructions
For best results apply LawnStar Liquid Lawn Dethatcher before 10 am, or after 5 pm. This allows for decreased evaporation and greater efficacy. Application during the afternoon should be avoided.
Application should be repeated every two to four weeks (depending on thatch layer thickness) for best results.
May cause staining. Shake product well before use.
For pump-up garden sprayers
1. Mix 4–8 oz. LawnStar Liquid Lawn Dethatcher per 1,000 sq. ft. Premix with a generous amount of water to ensure sufficient spray volume for application.
2. Apply evenly across 1,000 sq. ft. of lawn
3. Water lawn for 20–30 minutes after application
For hose-end sprayers
1. Pour LawnStar Liquid Lawn Dethatcher into hose-end sprayer bottle
2. Set sprayer to "1 oz." setting
3. Evenly apply 4–8 oz. concentrate per 1,000 sq. ft. of lawn, depending on thatch layer thickness
Warranty & Support
Covered by the Evergreen Guarantee: If you aren’t satisfied with the results you get from trying any one of our products, contact us within 30 days of your order date and we will arrange a no-questions-asked return plus refund.
Support Email: [email protected]
Safety Information: Although we opt for the safest ingredients, it is important to treat it carefully as you would any other lawn and garden product. Keep out of reach of children. Do not ingest. Detailed safety information can be found on the backside of the product label, or by clicking on the Specification tab and reviewing the Safety Data Sheet.
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