Moss killer can revive a lawn when grass is losing out to the invader. It can also remove it from areas like decks, patios, and walkways, keeping surfaces looking their best, and helping prevent them from becoming slippery to walk on. It’s what you need to clean the green stuff off roofs and sidings, too. Whatever your moss problem, find the best product for your outside space in our selection.
Scotts MossEx
Greens the lawn, too
Banish the moss from your lawn and help it grow thick grass with this moss killer. It covers up to 5,000 square feet and is suitable for all grass types. It’s best applied in winter or spring, and is easy to put on to the lawn using a spreader.
ECO Garden PRO weed and grass killer
Safe around kids and pets
Tackle moss plus dandelions, clover, chickweed, dollar weed, thistle, crabgrass, and more with this herbicide. It’s ready to use and promises results within 24 hours of application. The organic formula is phosphate-free, biodegradable, and not harmful to kids, pets, and the environment.
Lilly Miller Moss Out for roofs and walks
Non-staining formula
Maintain the appearance of roofs and prevent moss damage with this killer. It won’t harm shingles or leave marks behind, and its effects can last for up to a year. It works on decks, patios, and walkways as well.
Safer Brand moss and algae killer
Great for spot cleaning
Zero in on patches of moss and algae on outside surfaces with this killer. The versatile product can be used on plant containers, benches, and greenhouses along with decks, walkways, and more. It’s even designed to be applied to hardened tree bark. The spray is USDA national organic program-compliant, too.
Scotts Turf Builder with Moss Control
Feeds the lawn
Nurture thick green grass, discourage moss from taking hold, and kill the moss that’s already there with this clever formula. It feeds the lawn to promote good growth and so grass will fill in bare spots. It’s designed to help the turf absorb both water and nutrients, too.
BioAdvanced moss and algae killer and cleaner
No need to mix
Attach this bottle of moss and algae killer to your hose and spray it on wood, concrete, asphalt, and plenty of other exterior surfaces to get rid of pesky growth in a hurry. It covers up to 500 square feet and won’t leave stains behind. Bear in mind that the moss must be physically removed once it has died, though.
Our verdict
Why you can trust Gardeningetc Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.
Moss is a nuisance whether it’s growing where lawn grass should be or becoming established on roofs, walkways, decks, and patios. To improve the quality of a lawn, check out Scotts MossEx, which will deal with the scourge and promote the development of thick, green grass as well.
If you want to deal with moss and you have kids and pets around, ECO Garden PRO Weed & Grass Killer is designed to be safe around them, plus it’ll kill a whole host of other annoying growth. Need a formula for attacking moss growth all around your outdoor space? Safer Brand Moss & Algae Killer will come to the rescue, making containers and benches along with other surfaces moss-free once more.
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