It doesn’t cover as much ground as some other moss killers but it starts to be effective in three to five days. Most organic options are pretty forgiving, but chemical moss killers are a little more particular about timing. And since the formula doesn’t have phosphates or bleach and is pH neutral, you won’t have to worry about leftover stains or marks. Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. Third, it’s necessary to feed your land to ensure it meets the lawn’s need because inadequate nutrients lead to moss development.

Indeed, the water-soluble moss killer is very easy to spray on, which makes the moss rapidly wilt and die. Be clear about what it is you expect from your chosen moss killer and whether the solution can deliver that.

It takes a very long time to see results even after you stop watering days or weeks after application so be prepared to wait for months if your spot is large. Some products stain just about every surface they come in contact with, so you should avoid getting them on your driveway, walkways, decking, or lawn decor. It doesn’t contain bleach so it’s safe to use on lawns where it will have little impact on the grass and other vegetation. This is not the best option for roofs or lawns, as the pressure that loosens the moss can also break off other materials you want to stay in place.

The transaction data may be processed for the purpose of supplying the purchased goods and services and keeping proper records of those transactions. We strongly recommend Pro-Kleen Iron Sulphate as it is the best moss killer for lawns and has proven itself repeatedly over the years.While moss doesn’t die in the winter, it does stop spreading spores, so there is less risk that it will come back later if it’s taken care of early.