Moss control products are essential for maintaining healthy lawns, preventing damage to roofs, and keeping patios and decks free from unsightly green growth. These treatments target moss, algae, lichen, and even mildew, which can thrive in damp, shaded conditions. Products were evaluated based on efficacy, application methods, coverage area, additional benefits such as fertilization, user reviews, and feature analysis.
Scotts Turf Builder Triple Action for Moss Control - Moss Killer and Lawn Fertilizer, Lawn Care, Covers Up to 4,000 sq. ft., 20 lb.
$29.44
This product offers a comprehensive solution by killing moss while simultaneously fertilizing and thickening the lawn for long-term health.
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Scotts MossEx, Moss Killer for Lawns, Easy-to-Use Shaker Jug, Contains Fertilizer to Green Grass, 4.59 lbs.
$14.64
The easy-to-use shaker jug provides a straightforward and convenient method for moss control on lawns, including nutrients for greening.
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Scotts MossEx 3-in-1 Ready Spray - Hose-End Applicator, Kills Moss, Algae and Lichens, Fast Acting Moss Killer for Lawns, Roofs, Patios, 32 fl. oz.
$16.60
Its fast-acting, multi-surface formula for lawns, roofs, and patios, combined with a ready-spray application, provides superior versatility and convenience.
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- Kills moss and thickens grass to fill in bare spots
- Kills moss, not lawns—guaranteed
- Feeds to help prevent future moss problems
- Improves lawn's ability to absorb water and nutrients versus an unfed lawn
- Exclusive micro-granule formula
- Kills moss quickly
- Use on roofs, patios, sidewalks, brick and unpainted cement
- Non-staining, non-corrosive to galvanized gutters
- Fast-acting
- Kills moss and prevents new growth
- Does not harm lawn
- Contains 35.0-percent ferric sulfate
- MOSS KILLER FOR LAWNS: Scotts Turf Builder Triple Action for Moss Control includes grass fertilizer for lawns plus kills moss without harming your lawn
- WHERE TO USE: This lawn care plus lawn food product can be used on most grass types; people and pets can re-enter the lawn once the foliage has dried
- FEEDS FOR HEALTHY GRASS: Lawn moss killer with added fertilizer feeds grass for a healthier, greener lawn and thickens grass to help protect against future problems
- HOW TO USE: Apply our moss control for lawns with fertilizer to a moist, mowed lawn during winter or spring when moss is actively growing
- Moss and algae killer and cleaner: kills moss, algae, lichen, mold, and mildew wherever it grows
- Protection for months: kills within hours and protects for months
- 2-In-1 killer and cleaner: use on lawns, patios, roofs, buildings, decks, driveways, mulch, and more
- Kills within hours: moss will quickly turn yellow and then brown, but must be physically removed once dead
- Kills moss quickly - see results in hours
- Non-staining formula can be used on roofs, walks, decks and patios
- Does not stain concrete, pavement, stucco, or wood
- Attaches right to your garden hose – no mixing
- Scotts MossEx in an easy-to-use shaker jug kills moss without harming your lawn
- These ready-to-use moss killer granules contain nutrients to help develop green grass
- Apply this lawn care treatment in the winter or spring when moss is actively growing
- Product is best applied when lawn is moist and tall grass has been mowed to expose low growing moss
- CONTROLS & KILLS ALL MOSS - Lawn moss can be hurtful if left unchecked. Our specially formulated moss pesticide helps combat all moss types to produce a better-looking and cleaner lawn.
- PREVENTS & TREATS - Once a lawn has a moss infestation, it can become a problem for the whole yard. Lawn Moss Control prevents new moss from growing while treating pre-existing moss. It will not repair the damage which has already happened beneath.
- EFFECTIVE ON ALL MOSS - Use to eliminate potential or actively growing moss within just hours. Our product is effective on heavy moss infestations with its easy to spread granules.
- YEAR ROUND MOSS CONTROL - The lawn moss treatment provides control in summer, spring, and fall. For best results, apply our moss treatment before the disease occurs.
- Scotts Moss Control Granules for Lawns kills moss, not lawns - guaranteed
- This moss killer contains nutrients to green your grass
- Apply this lawn care treatment in the winter or spring when moss is actively growing
- Product is best applied when lawn is moist and tall grass has been mowed to expose low growing moss
- MOSS KILLER FOR LAWNS: Scotts Turf Builder Triple Action for Moss Control includes grass fertilizer for lawns plus kills moss without harming your lawn
- WHERE TO USE: This lawn care plus lawn food product can be used on most grass types; people and pets can re-enter the lawn once the foliage has dried
- FEEDS FOR HEALTHY GRASS: Lawn moss killer with added fertilizer feeds grass for a healthier, greener lawn and thickens grass to help protect against future problems
- HOW TO USE: Apply our moss control for lawns with fertilizer to a moist, mowed lawn during winter or spring when moss is actively growing
This article is part of our complete guide Garden & Outdoor Living — browse all our comparisons and buying guides.
Last update on 2026-10-25 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Moss Control
Application Method and Versatility
The method of application is a primary consideration when selecting a moss control product. Granular formulas, like the Scotts Turf Builder Triple Action and Jonathan Green Lawn Moss Control, typically require a spreader for even distribution across larger lawn areas. These are often preferred for whole-lawn treatments where uniform coverage is critical. In contrast, liquid concentrates or ready-to-spray options, such as BioAdvanced 2-in-1 Moss and Algae Killer and Scotts MossEx 3-in-1 Ready Spray, offer direct application via a garden hose connection or a sprayer. These liquid formats are often favored for their ease of use on various surfaces beyond lawns, including roofs, patios, and decks, and for spot treatments where precision is needed.
Integrated Lawn Care Benefits
Beyond simply eliminating moss, some products offer additional benefits that contribute to overall lawn health. The Scotts Turf Builder Triple Action, for instance, not only kills moss but also acts as a lawn fertilizer and thickens grass to help prevent future problems. Similarly, Scotts MossEx in the shaker jug contains nutrients designed to help develop greener grass, addressing nutrient deficiencies that can sometimes contribute to moss growth. Products like Jonathan Green's offering, while highly effective at controlling moss, focus specifically on the pesticide aspect, requiring separate fertilization if a comprehensive lawn treatment is desired.
Targeted Control and Speed of Action
Different moss control products vary in their target organisms and how quickly they deliver results. While all listed products address moss, some, like BioAdvanced 2-in-1 Moss and Algae Killer and Scotts MossEx 3-in-1 Ready Spray, extend their efficacy to algae, lichen, and even mold or mildew. This broader spectrum is crucial for multi-surface applications beyond just the lawn. Furthermore, the speed at which a product works can be a deciding factor. Scotts MossEx 3-in-1 Ready-Spray is advertised as fast-acting, killing within hours, which is beneficial for quick visual improvement or before an event. Jonathan Green also claims effectiveness within hours, indicating a rapid response, whereas other granular products may show results over several days or weeks as the moss gradually dies and dries out.
Pros & Cons
Scotts Turf Builder Triple Action for Moss Control - Moss Killer and Lawn Fertilizer, Lawn Care, Covers Up to 4,000 sq. ft., 20 lb.
Pros
- Offers a triple-action benefit: kills moss, fertilizes, and thickens grass.
- Covers a significant area (up to 4,000 sq. ft.), suitable for larger lawns.
- Contributes to a healthier, greener lawn by feeding grass.
Cons
- Requires application to a moist, mowed lawn, which can be time-sensitive.
- Primarily designed for lawn use, limiting versatility to other surfaces.
Scotts MossEx, Moss Killer for Lawns, Easy-to-Use Shaker Jug, Contains Fertilizer to Green Grass, 4.59 lbs.
Pros
- Comes in an easy-to-use shaker jug for convenient, direct application.
- Contains nutrients to help green the grass while killing moss.
- Effective for spot treatments or smaller lawn areas.
Cons
- Coverage may be less extensive compared to broadcast spreaders.
- Application is specific to lawns, not versatile for roofs or patios.
Scotts MossEx 3-in-1 Ready Spray - Hose-End Applicator, Kills Moss, Algae and Lichens, Fast Acting Moss Killer for Lawns, Roofs, Patios, 32 fl. oz.
Pros
- Fast-acting formula kills moss, algae, and lichens within hours.
- Versatile for use on multiple surfaces including lawns, roofs, and patios.
- Ready-to-spray application connects directly to a garden hose for ease of use.
Cons
- Liquid application may require careful coverage to avoid missing spots.
- May not offer long-term fertilization benefits like some granular products.
Common Mistakes to Avoid
Ignoring the Need for Physical Removal
One common oversight is failing to physically remove dead moss after treatment. Products like BioAdvanced 2-in-1 Moss and Algae Killer explicitly state that moss, once dead, 'must be physically removed.' Leaving dead moss can create a layer that hinders new grass growth or provides a base for future moss re-infestation.
Applying During Inactive Growth Periods
Many moss control products, including Scotts Turf Builder Triple Action and Scotts MossEx (shaker jug), specify application 'during winter or spring when moss is actively growing.' Applying these products when moss is dormant or during extreme weather conditions can significantly reduce their effectiveness, leading to wasted product and effort.
Misjudging Application Surfaces and Staining Potential
Users sometimes apply lawn-specific moss killers to non-lawn surfaces without checking compatibility. While Scotts MossEx 3-in-1 Ready Spray is explicitly designed for lawns, roofs, and patios and 'does not stain concrete or other surfaces,' other products, particularly iron-based ones, can cause rust stains on driveways, walkways, or roofing materials if not used correctly or if they are not formulated for multi-surface use. Always verify the product's intended surfaces.
Overlooking Integrated Lawn Health Benefits
A mistake often seen is choosing a basic moss killer when a multi-action product could address underlying lawn health issues. For example, opting for a dedicated pesticide when a product like Scotts Turf Builder Triple Action could simultaneously kill moss, fertilize the lawn, and thicken the grass to help prevent future moss problems, thereby offering a more holistic solution.
