Winter really is a trying time for your lawn. The grass plant’s growth slows down to almost a standstill while moss thrives in its attempt to take over your lawn.


To help your lawn, we spray a soluble application of moss control on it, alongside additional nutrients that will help keep that moss under control and make your lawn look as green as possible.

This treatment is best applied during the cooler autumn and winter months. It can be carried out in heavy rain as the solution will not be diluted in any way. The contents of the application are carried through the thatch and moss layers by water, so you’ll see better results following any rainfall or heavy morning dew.

What can I expect from this treatment?

This treatment will turn your lawn a richer, darker shade of green. The grass plants will be more sturdy, and any moss in your lawn will start to turn black as it dies off.

Should I rake the dead moss out?

Moss grows by anchoring itself into thatch. Thatch is made up of many things including dead moss. To help reduce the amount of future moss growth, we would recommend raking or scarifying the dead moss out. You should also consider aerating as part of your annual treatment plan. Ideally, this sort of work should only be carried out between September and April.

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Will this treatment eradicate moss from my lawn?

No. Our treatments can only control the moss that is present in the lawn at the time of the treatment. To help further reduce the growth of moss, we would recommend our Booster Treatments.

Can I cut my lawn after this treatment?

Yes, but please allow 24 hours for the treatment to completely soak through to the soil.

Can I walk on my lawn after this treatment?

Yes, but please allow 24 hours before walking on your lawn. This treatment may cause stains if transferred off the lawn and onto paving stones or carpet.

Is this treatment safe for pets and children?

Yes. All of our treatments are safe for pets and children. We only ask that you refrain from using the lawn for 24 hours after this treatment is carried out to prevent staining pet fur or children’s clothing.

Will this treatment kill the weeds in my lawn?

No. Although this treatment may cause some weeds to die back, it will not have any effect on most weeds. Green Man Lawn Care only apply safe and professional weed-control treatments which require the air and soil temperatures to be above a certain temperature. Therefore, we do not carry out any form of weed-control treatment during the autumn or winter period.

How long does it take for the moss to turn black?

It can take anywhere from a couple of hours to a few days for the moss to start turning black. The warmer the air temperature, the quicker it takes. If you don’t see any change to the moss whatsoever (i.e none of the moss turns black) you should contact us as soon as possible. If you report this to us within ten days of the treatment being carried out, we will arrange for a free moss control treatment to be applied.

How is the treatment applied and how long does it take to apply?

The Winter Treatment is a powder that is mixed in to water and applied to the lawn using a knapsack sprayer. A knapsack sprayer is a professional piece of equipment, and due to the products we apply, our lawn technicians require a licence, and are qualified in NPTC PA1 and PA6.

The knapsack sprayers we uses can hold up to 16 litres of mixed solution. Knapsack sprayers are calibrated so the solution is applied evenly over the surface of the lawn. To ensure this even spread, each operator calibrates their own knapsack based on their height and walking speed. 

In most cases, an operator can apply 1.5 sqm of solution per second at an average walking speed of 4 km/h and swath (the width of the spray when it reaches ground level) width of 1.2 metres. This means a 100sqm lawn can be treated in around 66 seconds. The amount of time your lawn technician will vary depending on several factors. They may need to refill their knapsack which can take a couple of minutes.