The Best Moss Killer For Lawns 2019

Moss can be a major issue for some lawns and is caused by poor growing conditions. However, it can easily be removed by using a quality moss killer for lawns. It takes just a couple of weeks to get to work and brings the best out of your lawn.

best moss killer for lawns

Using a moss killer on your lawn is easy to apply and highly effective when used between April and September. They are available in a range of formulas that can be applied by hand or a pump sprayer.

The best moss killer for lawns is Pro-Kleen Iron Sulphate Formula, which is an effective solution that is applied via a pump sprayer and able to treat 2,500 square metres of lawn.

Before purchasing any moss killer, you will want to measure your lawn in square metres. All the recommendations will provide a coverage measurement and dosage instructions for treating your entire lawn.

Best Moss Killer For Lawns

Lawn Moss KillerCoverageApplication
Pro-Kleen Iron Sulphate2,500 sqm per 2.5 KGLiquid Pump Sprayer
Trade Farmni Premium1,000 sqm per 1.0 KGLiquid Pump Sprayer
Maxicrop Moss Killer166 sqm per 2.5 LitresWatering Can
Miracle-Gro EverGreen Complete100 sqm per 3.5 KGBuilt-in Spreader
Miracle-Gro EverGreen No Rake100 sqm per 10 KGHand or Spreader

You may find that a moss killer can often be included within a versatile formula. Although this is great for all-round lawn health, you may want to purchase a dedicated moss killer for lawns for the best results.

Below is a list of the best moss killers for lawns that effectively get to work in just a few weeks.

Pro-Kleen Iron Sulphate Moss Killer


A popular choice for killing moss on lawns is the Pro-Kleen formula. It uses a professional grade iron sulphate that has twice the coverage when compared to standard formulas. It is a moss killer for lawns that is used and trusted by professionals in the UK for many years.

To use this moss killer, you will require a watering pump sprayer for the best coverage. The brand state that 2.5 KG will approximately treat 2,500 square metres of lawn.

Other features of the Pro-Kleen Iron Sulphate include:

  • Superior quality and long lasting formula
  • Available in 1 KG to 10 KG tubs with a resealable lid
  • Can be applied to wet or dry lawns
  • Tried and tested for the best results
  • Encourages strong and dark green grass

The Pro-Kleen Iron Sulphate is a high performing moss killer for lawns that provides the best results. It is easy to apply with suggest dosages amount listed on the tub and you can apply it to wet or dry lawns.
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Trade Farmni Moss Killer For Lawns


Another iron sulphate formula is by the Trade Farmni brand, which is specifically designed to prevent lawn diseases. Along with killing moss upon your lawn, it can also be used as a turf hardener and to prevent the buildup of worm casts.

In terms of the coverage of this moss killer, it can treat approximately 800 to 1,000 square metres per 1 KG tub.

Other features of the Trade Farmni Moss Killer include:

  • Easily soluble in water
  • Only available in 1 KG tubs
  • Powerful iron sulphate formula
  • Best results when used in cool damp conditions
  • Encourage healthy green grass
  • Dosage instructions included

Overall, the Trade Farmni Moss Killer for Lawns is an excellent all-round example of what is available. It is more expensive that then Pro-Kleen formula but it is a premium quality moss killer and lawn greener.
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Maxicrop Moss Killer For Lawns


The Maxicrop Moss Killer and Lawn Tonic is fairly unique as it includes a seaweed extract within it’s formula. It is a liquid application that is suited to home garden lawns and simply mixes with water in a basic watering can.

The brand state that the 2.5 litre tub will be able to approximately treat 166 square metre lawns with great results.

Other features of the Maxicrop Moss Killer and Lawn Tonic include:

  • Easiest to mix with water
  • Quick and effective results
  • Added ferrous sulphate
  • Makes grass greener
  • Application with a sprayer or watering can

Although it is fairly expensive when you consider the coverage, it does provide great results with such a simple application. The added seaweed extract encourages the grass to grow greener and is a great addition that makes this formula standout.
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Scotts Miracle-Gro EverGreen Moss Killer


An alternative to the standard moss killer is the Scotts Miracle-Gro 4 in 1 formula. It is designed to kill moss, kill weeds, feed lawns and provide drought resistant qualities.

Each container is able to cover 100 square metres of lawn, which is not that much compared to the alternatives. However, it does come with other benefits that many people may also require to completely treat their lawns.

Other features of the Scotts Miracle-Gro EverGreen Complete include:

  • Water Smart formula that resists heat
  • Visibly greener grass in just 7 days
  • Built-in spreader
  • Ergonomic carrying handle
  • Application for lawns only

The brand state for the best results, you should use this formula on lawns between April and September. Overall, if you want a quick and easily solution for killing moss as well as provide other benefits, this formula is a great choice.
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Miracle-Gro EverGreen Natural Moss Killer


Another moss killer by Miracle-Gro is their latest “No Rake” formula. It promises to reduce moss regrowth, provide feed for 3 months and greener grass in just 7 days.

This formula is available in three different sizes that are suitable for 50, 100 or 200 square metres of coverage.

Other features of the Miracle-Gro No Rake Moss Killer include:

  • Extra magnesium for greener grass
  • No staining of paths or patios near the lawn
  • Children and pets can enter once watered in
  • Application by hand (wearing gloves) or a spreader
  • Results within just 7 days

The organic formula is expensive when compared to the liquid alternatives but the hand application may be more suitable. It also doesn’t just act a moss killer for lawns but also prevents regrowth and encourages greener grass.
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Moss Killer Buying Guide

Lawns that are covered in moss are not aesthetically pleasing to look at and it will eventually get worse. Using a moss killer that is designed for a home garden lawn can remove the moss in as little as a week.

They are available in a range of different formulas that include organic ingredients to powerful iron sulphate. Application varies with liquid moss killers requiring a pump spray or watering can with others being applied by hand.

To help you make an informed buying decision, we have produced the below guide regarding moss killers for lawns.

best moss killer for lawns uk

What Causes Moss on the Lawn

Poor growing conditions is the main contributor to moss growing on your lawn. Some of the main areas of the lawn that suffer from moss include:

  • Wet and waterlogged areas
  • Drought stressed grass
  • Worn areas with heavy foot traffic
  • Beneath trees or other shady areas
  • Infertile soil or acidic conditions

Using a moss killer for lawns will remover the growth of moss but you should also try and rectify the causes of the moss growing in the first place.

When to a Apply a Lawn Moss Killer

Many professionals state that between April and September is the best time to apply a moss killer to the lawn. This is because moss produces spores, which are more common in spring and autumn. This means in April, you can target the moss just before it begins to spore.

Application Tips

The application of the product really depends upon the moss killer you are using because the dosage amount differ. Some can also be used wet or dry conditions and applied via a pump sprayer, watering can or by hand using gloves.

It is advised that you apply in cool damp conditions in most cases and avoid extremely dry or hot conditions.

It is critical that you follow the dosage instruction closely because too little will not be as effective and too concentrated of a solution can scorch the grass.

After application, you will want to allow a specified period of time (usually 7 days) for the formula to get to work. Once the moss is visible dead or has turned black, you can use a garden rake to collect the moss.

Pet and Children Friendly

Freshly spread moss killer on the lawn can be hazardous to children and pets. As with a weed killer, you will want to wait a specified amount of time before allowing your pets or children on the lawn. Some brands state that you should wait up to 5 days whereas others state it is safe after it has been watered on.

Coverage

As most moss killer for lawns is available in multiple sizes, it can be difficult to judge which offers the best value for money. The coverage is measured in square metres and will allow you to see which formula is best suited to your lawn size and is good value for money.

To determine how much you will need, you can multiple the length and width of your lawn, which provides you with the lawns size in square metres.

Conclusion

Moss can ruin the appearance of your lawn and if left untreated, it can become harder to remove. Using the latest moss killers that are designed specifically for lawns will allow you to effective take action with results in as little as 7 days.

All of our recommendations are suited to a range of budgets and can be applied in various methods to suit your requirements.

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