‘Effective’ natural remedies to remove moss from concrete for good

Gardening tips: How to remove moss on drives and patios

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Moss on concrete walls and flooring can not only look untidy but can also be dangerous across walkways and paving. Moss tends to grow back even after you’ve spent all that time scrubbing and cleaning the area. To ensure your concrete surfaces function well during the colder seasons and moss doesn’t return, experts at Outdoor Moss have shared “effective” natural remedies.

They explained: “Moss thrives because it doesn’t need to be planted in the ground, like weeds and other plants. It can spread by releasing spores that may break off when removed, starting off a whole new colony.

“Fortunately, however, there are a few effective ways to remove moss from concrete permanently without damaging the surface.”


Britons who have stubborn moss marks on their concrete areas can use vinegar as an effective killer.

The experts said: “Vinegar contains acetic acid which is an effective way to kill moss. In fact, vinegar works very similar to most commercial moss killers and will kill it within a matter of hours.

“For the best results, we recommend you use Calyptus 45 percent Pure Super Concentrated Vinegar which is a highly concentrated and very powerful type of vinegar, perfect for killing moss.”

To kill moss with vinegar, mix 80 percent vinegar with 20 percent water and apply the mixture to the mossy areas.

Give the surface a scrub if needed, then leave for 20 minutes or just until the moss is yellow. After Wash down the area using warm water.

If homeowners have pets that go outside make sure they don’t have access to the area until the vinegar has been rinsed off completely as it can be harmful if ingested.

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Baking soda

Baking soda is something most homes have tucked into the back of the cupboard and it works well when used on moss.

The moss experts said: “Surprisingly baking soda is a great natural way to kill moss and whats best about this is it won’t cost you an arm or a leg and you can find it at most supermarkets.

“When using baking soda on concrete it’s a good idea to apply it on a hot day when the conditions are dry and not when it’s raining.”

A good mixture would consist of about 10 tablespoons of baking powder and a quart of water. Make sure you give it a good mix before applying it to the surface.

When it has been mixed, apply it directly on top of the moss and surrounding areas and then leave for 15 minutes. If needed, give the area a scrub.

Once the moss is dead and yellow remove it and then give the surface a wash using a pressure washer or hose until the surface is clean and all the moss is removed.

Boiling water 

Using boiling water is another way that can remove moss from concrete. This method is more gentle than the others and has no chemicals involved, so it’s a good option for gardeners who have plants close to where the moss is.

The experts urged: “Be sure that all areas are free from any other obstructions before beginning this process – such things will only make removing moss growth much harder.”

To use this method, take boiled water using a kettle or saucepan with about one gallon capacity and be careful not to spill onto your hand when pouring.

Pour over the moss until drenched completely through and then wait until the moss is yellow. Once the moss is dead remove it using your hands.

Once all the moss is removed wash down the area using soapy water and finish using a hose or pressure washer.

The pros warned: “Boiling water is a simple and effective way to kill moss without using any harmful chemicals. However, this method may need repeated attempts as some moss is tougher than others.”

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