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How to get rid of Moss on your Lawn

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Moss! One of Britain’s worst nightmares. But still an important part of the biodiversity eco system.

Anyway, this post will take you through the different methods of both preventing and removing moss from your lawn.

If you’ve read my other posts, you won’t be surprised to hear that the control of moss begins before the season begins. Yeah, yeah In Autumn & Winter!

So, first of all I’d say the most common question is ‘How do I REMOVE moss on the lawn’ which says many people have difficulty keeping it off when it comes to the time that it needs to look nice.

Let’s go through step-by step on getting the job done.

Removing moss from your lawn step-by-step

Best Moss Killer Iron Sulphate
The best, most effective moss killer is iron (Fe) a.k.a ferrous sulphate of iron or iron sulphate

The first thing is – it’s always best to use a proper moss killer that goes by the name of Iron Sulphate. Even more so if your grass is plagued with the stuff.

For me, these 2 in 1 or 4 in 1 just don’t cut the mustard when it comes the doing a proper job – they are better at preventing small amounts of moss becoming bigger.

I have a garden which is surrounded by massive trees and wet soil so it’s the perfect environment for moss to form.

Here’s the steps

  1. Get yourself a 6 litre or 10 litre watering can
  2. Weigh out 4g of Iron Sulphate per litre of water you’re going to use, That means it’ll be 24g for a 6 litre or 40g for a 10 litre. NEVER go over 5g per litre of water cos it’ll wreck the grass
  3. Put a drop of water in the can
  4. Pour in the correct amount of iron sulphate
  5. Now fill up the watering can to the top. Watch out not to spill any on your way to the lawn – that always happens to me!
  6. You can do this at any point but you need to mark out 6 m2 or 10 m2 (depending on the size of your watering can). I like to start in one corner of the lawn and work out from there using 4 pieces of wood to mark our the corners of the area I’m going to sprinkle
  7. Now sprinkle the lot in your marked out area.
  8. Once that’s done, repeat steps 2 to 5
  9. Then take 2 of the pieces of wood and mark out the corners for the next 6 m2
  10. Repeat this until the whole of your lawn has been covered with the soluble mixture
  11. Now for the physical part! after a few days, the moss will turn black. So, you’ll want to rake it all out. If you have a lawn over 50 square meters, then I highly recommend investing in a scarifier. You can pick them up from many different places and they don’t need to cost the earth.

So that’s how you overcome a bad moss problem if you already have one. The thing is though, there are ways of preventing the worst of the moss creeping back into your lawn every Spring. That actually starts in Autumn.

How to prevent moss on your lawn every year

Simply by maintaining your lawn all year round, you can help prevent the worst of the moss coming back. This is done initially with an Autumn fertiliser, which gives the grass good root growth but not so much top growth (we need the grass to slow down as we get to the winter months.

Second, you should apply a Winter fertiliser, which will contain a good amount of Iron (Fe is the code on the less than complicated periodic table) to hit the moss right where it hurts. Yep in it’s Nucleus!

That way the moss doesn’t have time to develop before the spring and you won’t need to be so aggressive when it comes to applying Iron Sulphate in March or April on your yearly calendar

Before I leave you with the above tasks, I just want to go through the options for removing moss and share my thoughts.

Which is the BEST Moss removal treatment


With so many options on the market and everyone claiming theirs is the best, here’s just a few

Weed, Feed & Moss Killer

This is a mix of fertiliser, weed killer and moss killer. In my humble opinion, it is more a supplement for preventing moss rather than actually getting rid of a large problem. It will definitely help prevent it when used in conjunction with a solid

Fertiliser with added Iron

Added iron is usually found in the Winter fertilisers. It is added as a supplement to help kill any deep rooted moss and prevent it coming back in the future

Iron Sulphate

Saving the strongest ’till last. This is the strongest of the three options and will blacken moss relatively quickly before it will need raking out

Organic options

There are organic developments being made all the time and there are some organic materials that will actually eat the moss, which means you actually don’t need to rake it out. Wow what a delight that is!

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This Post Has 8 Comments

  1. Elaine

    Hi I bought your winter feed but I’ve seen no difference whatsoever to my lawn … if anything it looks worse than it did before … it’s full of moss now and bald patches … have I done anything wrong with it ?

    1. Matt Adams

      Hi Elaine, A lot of lawns have struggled this Winter as it’s been so damp and cold. It also sounds like the moss was already setting in before the Winter Feed was applied so it would have needed a moss killer instead. I’d recommend a full Spring Renovation and keep the feeds going up to and including next Winter.


  2. David Jones

    Thank you for your advice which I will be following to remove moss from my lawn. Assuming say 4 weeks to kill it off, I will then scarify and apply a spring feed.

  3. Julia Hardy

    Hi guys I bought your Autumn feed and applied it on the 12th October as well as over seeding netted both lawns for a month and apart from a bit of moss I have two beautiful lawns. So if I’m right I have to apply the winter feed mid to end of January weather permitting yes?. I have you saved on my bookmark but still have a job as I am not sure do I create an account. Sorry just a stupid old woman

    1. Matt Adams

      Hi Julia, Yes mid-end of Jan would be the perfect time to apply Winter Feed.

  4. John

    So when are you going to offer the Organic option?

    1. Matt Adams

      Hi John,
      We aim to offer an organic option and will certainly do so when we find the right product for packaging/promoting in line with our company values. In the meantime, the easiest way to kill moss naturally is with a mixture of 3 tablespoons of baking soda to 1 Litre of water. Use gloves as you make this it a jug or spray bottle. Then apply to the moss and wait for the magic to happen. read more here

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