Mosses also thrive in shaded areas with compacted or acidic soils. They are intolerant of alkaline soils because they contain higher levels of salt. In most cases salt kills moss, with the exception of the Schistidium maritimum moss species, which thrives in salty coastal sea air.

How do you kill moss quickly?

You can mix either gentle dish soap or baking soda with lukewarm water to create an effective DIY herbicide that will kill moss. If you are using soap, mix 2-4 ounces with two gallons of water. For the baking soda method, mix 2 gallons of water with a small box of baking soda, the sort they sell for fridge deodorizing.

What kills moss the best?

Moss control products based on iron and naturally occurring iron substances, such as ferrous sulfate, are highly effective at killing lawn moss by drawing out moisture so mosses dry up, turn black and die. The Lilly Miller Moss Out!