Best Dethatching Blades

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Dethatching promotes root development, allows seeds to grow faster, and enhances a beautiful and healthy-looking lawn. This is only possible if you have a good dethatching blade for your lawn maintenance.

In the market for a compatible dethatching blade that will efficiently remove thatch without affecting the growth of your grass? Then you would love our recommendations. 

After spending about 8.5 hours researching and evaluating different products, we reveal 6 top-rated dethatching blades available on the market right now.

In a hurry? Check our top three recommendations:

Top 3 Best Dethatching Blades in 2022

Editor’s Choice
Husqvarna 580258102 Lawn Mower 21-inch Deck 4-in-1 Blade
Husqvarna 580258102 Lawn Mower 21-inch Deck 4-in-1 Blade
  • Durable and easy to install.
  • Compatible with Husqvarna and Craftsman brands.
  • Offers outstanding value for your money.
Best Budget
Arnold 16-Inch Dethatching Replacement Mower Blade
Arnold 16-Inch Dethatching Replacement Mower Blade
  • Factory tested and approved to provide perfect fit and durability.
  • Sharp-edged blades enhance efficient and clean cuts.
  • Perfect for mowers such as Yard-Man, Ryobi, Troy-Bilt and Craftsman.
Highest Rated
Max power 331981B 21-inch Universal Gold Metal Mulching Lawn Mower
Max power 331981B 21-inch Universal Gold Metal Mulching Lawn Mower
  • Easy to install
  • Centrifugal airlift design allows for uniform distribution for maximum efficiency.
  • Expansive cutting surface to increase the amount of much it can move.

1. Husqvarna 580258102 Lawn Mower 21-inch Deck 4-in-1 Blade

The Husqvarna 580258102 lawn mower blade is a durable and efficient blade suitable for Husqvarna and Craftsman lawn mowers. It has a length of 22 inches, a width of 2- ½ inches for a top-notch performance.

Pros:

  • It is durable and easy to install
  • The Husqvarna mower blade is perfect for lifting, bagging, mulching and shredding grass clippings.
  • Some users commented that the blade works well on lawns.

Cons

  • No drawback worthy of note.

The 4-in-1 blade is durable and easy to install. Furthermore, it offers a good value for your mower. It is also suitable for mulching, lifting, bagging and shredding grass clippings.

2. Oregon 690-521-0 Dethatcher Blade

The Oregon 690-521-0 model is a replacement dethatching blade designed to get rid of moss. It comes with a dethatching spring and adapter kit for a top-notch performance.

Pros:

  • The dethatching blade is lightweight, easy to use and install.
  • The Oregon 690-521-0 dethatcher blade is a great option for getting rid of the old weed sod from the grass.
  • Its incorporated washers prevent bending during tightening.
  • It is made with well-built steel material for durability.

Cons

  • The fit is not universal.
  • Some users complained about the blade design because it breaks.

It is made of steel material for durability. The Oregon 690-521-0 is lightweight, easy to use, and install.

Lawn owners can make good use of the yard tool during the springtime when they are expecting new growth. Its incorporated washers prevent bending during tightening.

3. Maxpower 331981B 21-Inch Universal Gold Metal Mulching Lawn Mower Blade

The Maxpower 331981B dethatching blade can fit into any 21-inch wide mower deck. It boasts of a sharpened golden mulching blade that provides fine and clean cuts on lawns.

Pros:

  • It has an expansive cutting surface to increase the amount of much it can move.
  • It comes with a one-inch center hole design which makes it universal for several mowers
  • The dethatching blade  is compatible with 21-inch lawn mowers.
  • The centrifugal airlift design enhances uniform distribution.

Cons

  • It has a round center role which means that it won’t work with some mowers, specifically John Deere mowers.
  • A few users complained that the blade may slip when it is under torque.

The lawn mower blade has an expansive cutting surface that enables it to increase the amount of mulch it can move. The MaxPower blade is ideal for a lawn that has overgrown mulch. Its centrifugal airlift design allows for uniform distribution while chopping grass for maximum efficiency.

Its one-inch center hole makes it a universal fit for several mowers. The reducing washers come in different sizes to reduce the chances of it being incompatible with your mower.

4. Oregon 690-618-0 Universal 18” Dethatcher Blade

The 18-inch dethatcher blade is most suitable to loosening and removing grass from your lawn. This will allow the new seed to root and grow. It is also a good option for removing moss.

Pros:

  • The Oregon 690-618-0 dethatcher blade is durable and efficient.
  • The dethatching blade is good at loosening and removing grass from your lawn.
  • It is an excellent choice for removing moss.
  • The different adapter washers allow it to fit into different mowers.

Cons

  • The thatch and moss are often left on top of your lawn rather than being directed into the mower bag.
  • The space washer wears away fast.

Using this blade makes the whole mowing process seem effortless. A good number of users attested that it did a great job when dealing with moss. It integrates well with Honda lawn mowers.

The Oregon 690-618-0 dethatching blade features the necessary hardware to install the blade.  It is built with heavy-duty plastic with metal spring tines, making it durable and very efficient.

5. Arnold 16-Inch Dethatching Replacement Mower Blade

The Arnold 16-inch dethatching blade is a good option for loosening and removing dead grass. It can be used to mulch leaves when you adjust the deck height correctly.

Pros:

  • The Arnold 16-inch dethatching blade is a good choice for walk-behind mowers such as Craftsman, Yard-Man, Yard Machines, Lawn-Boy walk-behind mowers.
  • The dethatching blade is easy to use.
  • Its sharp-edged blades provide clean and nice cuts on lawns.

Cons

  • Homeowners will need more passes to complete their work with the 16-inch blade.
  • The springs wear down fast on rocky and hard soil.

It is a universal fit for walk-behind lawn mowers such as Yard-Man, Ryobi, Troy-Bilt, Craftsman, Poulan, Murray and Lawn Boy with decks up to 22 inches.

The sharp-edged blades cut your grass cleanly and it is factory tested to offer strength, durability and perfect fit.

6. Maxpower 330100 16” Universal Power Rake/ Dethatcher Mower Blade

The Maxpower 330100 is equipped with bushings which makes it easy for it to fit several mowers in the market. The dethatching blade is also easy to use and it comes at a fair price.

Pros:

  • The Maxpower 330100 dethatching blade is easy to use.
  • It is fairly priced and works pretty fast.
  • It can get rid of up to 90 percent of moss and thatch.

Cons

  • The grass must be cut low before making use of the dethatching blade.
  • It is not exactly universal.

The 16-inch dethatcher mower blade has enough capacity to get rid of up to ninety percent of thatch and moss and it works pretty fast.

Final Verdict

When it comes to durability, versatility and efficiency, the Husqvarna 580258102 lawn mower blade is our top pick. 

It is compatible with Husqvarna and Craftsman lawn mowers. It has a length of 22 inches, a width of 2- ½ inches for a top-notch performance. The 4-in-1 blade is durable and easy to install. It is also suitable for mulching, lifting, bagging and shredding grass clippings. 

Editor's choice
Husqvarna 580258102 Lawn Mower 21-inch Deck 4-in-1 Blade
  • Durable and easy to install.
  • Compatible with Husqvarna and Craftsman brands.
  • Offers outstanding value for your money.

Factors to Consider Before Buying a Dethatching Blade

If you are in the market for an efficient and durable dethatching blade, here are some of the factors to consider:

Mower Compatibility

A good dethatching blade should be able to be compatible with different mowers. It should also be able to function efficiently without any issues. Check the specifications before buying it so that you do not end up getting the one that won’t fit with your mowing machine.

Durability

You do not want to purchase a dethatching blade that will require frequent replacement. It is advisable to know the lifespan of the blade before buying it. You can look at the blade’s material to judge if it will stand the test of time. Stainless steel is usually associated with durability, aluminum can also be long-lasting.

Versatility

It is important to get a dethatching blade that can perform many functions. A good blade should loosen, remove dead grass and mulch your lawn.

Accessories

Some of these blades do come in a kit. Some blades support accessories within the kit such as a hardware pack or a dethatching line. These accessories make the blade easier and simpler to use. So, look out for the accessories that accompany the blade to ensure maximum work efficiency.

Also Read: Best Mower Blades for Sandy Soil

Frequently Asked Questions

Is it better to dethatch or aerate first?

Dethatching helps to promote root development and also allows seeds to grow faster. We suggest that dethatching should come first. Although it depends on what is afflicting your lawn. If your lawn has a compaction issue, the right thing to do is to first aerate it before dethatching.

Can dethatching hurt your lawn?

Yes, it can hurt your lawn especially if you use a dethatching blade that is not compatible with your mowing machine. It can also damage your lawn if you set the dethatching blade wrongly.

How often should you dethatch your lawn?

An average lawn should be dethatched at least once a year. If you have fast-growing grass on your lawn, you might need to dethatch it once your grass reaches a length of 0.5 inches.

Can I dethatch in spring?

Yes, spring is an ideal time to dethatch.