Best Moss Killer For Driveways: 10 Options Compared

#1 · Best Overall

1. BioAdvanced 2-in-1 Moss Killer

• Weight: 2 lb
• Form: Spray

Best for: Multi-surface driveway treatment.

Why it ranks #1: Its listed uses explicitly include driveways, and the ready-to-spray product covers 500 square feet while targeting moss and algae.

A hose attachment makes BioAdvanced’s ready-to-spray moss and algae treatment straightforward to apply across a driveway, without first mixing a concentrate. It kills moss, algae, lichen, mold, and mildew within hours, while its listed uses extend to patios, decks, roofs, and other exterior surfaces.

The included hose attachment supports direct spraying, a practical fit for treating hardscape without measuring a dilution. Its 2-in-1 killer-and-cleaner formula covers moss, algae, lichen, mold, and mildew, and the listing says protection lasts for months. The 500-square-foot coverage gives a defined area for planning an application. Moss turns yellow and then brown after treatment, but it must still be physically removed once dead, so allow for cleanup in the workflow.

Skip it if you want a dry granule treatment for sidewalks and brick; Lilly Miller Moss Out! for Roofs And Structures is listed for those surfaces.

A good fit for driveway owners who want a hose-applied treatment for several kinds of growth on exterior surfaces. Keep in mind that killing moss is not the final step: dead growth requires physical removal.

Listed on Amazon as: BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner, Ready-to-Spray, 32 oz, 500 SQ FT

#2 · Best Fast-Acting Spray

2. Scotts MossEx 3-in-1

• Weight: 8 oz
• Form: Spray

Best for: Quick hose-applied concrete treatment.

Why it ranks #2: The non-staining spray is listed for concrete, patios, and sidewalks, and its formula kills within hours.

Scotts MossEx 3-in-1 Ready Spray kills moss within hours with a non-staining liquid, enabling driveway owners to treat concrete without leaving stains according to the listing. Connect its sprayer to a garden hose for application on patios, sidewalks, roofs, lawns, and other listed areas.

The hose-connected sprayer lets you apply the ready-to-use liquid without a separate mixing step, which can simplify a driveway treatment. Its fast-acting formula works within hours and controls moss, algae, lichens, and liverworts, broadening its role beyond moss alone. The non-staining claim is relevant around concrete and other treated surfaces. Listed uses include patios, sidewalks, decks, lawns, ornamental gardens, homes, and roofs, so it suits buyers handling several outdoor areas with one product.

Skip it if you need a stated coverage figure to plan a large treatment; Lilly Miller Moss Out! For Roofs And Structures lists up to 4,000 square feet.

Consider it for driveway owners who want a hose-applied, fast-acting treatment that can also cover patios and sidewalks. The supplied details do not state coverage, so it may not suit area-based planning.

Listed on Amazon as: Scotts MossEx 3-in-1 Ready Spray, 32 fl. oz.

#3 · Best Dry Granules

3. Lilly Miller Moss Out Granules

• Weight: 6 lb
• Form: Granule

Best for: Granule treatment for hardscape.

Why it ranks #3: Dry microgranules are listed for sidewalks and unpainted cement, with coverage up to 4,000 square feet.

Lilly Miller Moss Out! uses a dry micro-granule formula that can be applied wet or dry, giving driveway and sidewalk owners flexibility in how they treat moss. It is listed for patios, sidewalks, brick, and unpainted cement, and covers up to 4,000 square feet.

The micro-granule form suits buyers who prefer a dry treatment option, while the stated wet-or-dry application gives another way to work it into a surface-treatment routine. Listed use on sidewalks, patios, brick, and unpainted cement makes it relevant to many driveway settings. Its coverage reaches up to 4,000 square feet, useful when planning larger areas. The formula is described as non-staining and non-corrosive to galvanized gutters; protect nearby planting where runoff or splashing may occur.

Skip it if you want a hose nozzle that sprays up to 25 feet; Lilly Miller Moss Out Roofs offers that ready-to-spray setup.

Choose this for broad surface coverage and a granule application on concrete, brick, or sidewalks. It is less suited to buyers who want a hose-attached sprayer, and application near planted areas calls for protection.

Listed on Amazon as: Lilly Miller Moss Out! For Roofs And Structures Dry Formula 6 Pounds

#4 · Best Driveway Cleaner

4. Wet & Forget Outdoor Cleaner

• Form: Liquid

Best for: No-rinse cleaner for driveway stains.

Why it ranks #4: Driveways are explicitly listed among its surfaces; dilute one part concentrate with five parts water for garden-sprayer application.

Wet & Forget Outdoor Cleaner targets green and black stains without scrubbing, rinsing, or pressure washing, giving driveway owners a low-intervention cleanup workflow. Its listed surfaces include driveways and concrete, and the bleach-free, fragrance-free concentrate is diluted with water before application.

Mixing one part concentrate with five parts water in a garden sprayer creates the application solution, so buyers need a separate sprayer and must account for dilution. The directions call for spraying a dry surface on a cool day and leaving it unrinsed, which avoids a wash-off step. Driveways, patios, roofs, and concrete are among the listed surfaces. The product addresses stains caused by moss, mold, mildew, and algae, and is described as requiring no scrubbing or pressure washing.

Skip it if you want a ready-to-spray hose attachment without measuring dilution; BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner is ready to spray.

A match for driveway owners focused on outdoor stains who prefer an unrinsed, no-scrub process. It is a concentrate, so plan for a garden sprayer, dilution, and application to a dry surface on a cool day.

Listed on Amazon as: Wet & Forget Outdoor Cleaner – Mold, Mildew, Moss & Algae, 128oz

#5

5. CENTRAL GARDEN BRANDS Moss Killer

• Weight: 3.2 lb
• Form: Spray

Best for: Flexible moss treatment for walkways.

Why it ranks #5: This moss killer is listed for patios and walkways, can be applied dry or mixed with water, and is described as non-staining when used as directed.

CENTRAL GARDEN BRANDS Moss Killer can be applied dry or mixed with water, giving buyers a choice of application workflow for moss on patios and walkways. Its listed benefits also include extending roof life, while the formula is described as non-staining on roofs and non-corrosive to aluminum and galvanized gutters when used as directed.

The option to apply this product dry or mix it with water gives buyers flexibility in preparing a treatment for mossy hardscape. Its stated use includes improving patios and walkways, making it relevant to driveway-adjacent surfaces. For roof applications, directions say to apply along the ridge on pitched roofs so rain can wash product down through lower moss patches. The listing also says it will not stain roofs or corrode aluminum and galvanized gutters when used as directed; protect gutters during application.

Skip it if you want a stated square-foot coverage figure; Lilly Miller Moss Out! For Roofs And Structures lists coverage up to 4,000 square feet.

Consider it for buyers treating moss on patios, walkways, or roofs who value dry-or-mixed application options. For pitched roofs, the stated ridge method depends on rain to carry product down through moss patches.

Listed on Amazon as: CENTRAL GARDEN BRANDS Moss Killer, 3-Pound

#6

6. Lilly Miller Moss Out Roofs

• Weight: 1.8 lb
• Form: Liquid

Best for: Hose-applied roof and walk treatment.

Why it ranks #6: Its verified surface list includes sidewalks and unpainted cement, and the hose nozzle sprays treatment up to 25 feet.

An included hose nozzle sprays Lilly Miller Moss Out for Roofs up to 25 feet, enabling treatment of elevated or hard-to-reach surfaces without carrying a separate sprayer. The ready-to-spray liquid is listed for roofs and outdoor surfaces, covers up to 500 square feet, and does not stain shingles.

Attaching the included nozzle directly to a hose provides a simple application workflow, and the stated reach of up to 25 feet can help when treating roof surfaces. The 500-square-foot coverage sets a clear area limit for planning. The product is specially made for roofs, while verified surface uses also include decks, steps, patios, sidewalks, and fence posts. Its non-staining formula is a practical consideration around shingles and other listed surfaces; the supplied description says one application lasts up to a year.

Skip it if you need coverage for a much larger area; Lilly Miller Moss Out! For Roofs And Structures covers up to 4,000 square feet.

A fit for buyers treating roof edges or nearby walks who value a hose-connected sprayer and stated reach. Check the 500-square-foot coverage against the area you need to treat before choosing it.

Listed on Amazon as: CENTRAL GARDEN BRANDS Moss Out Roofs, 27-Ounce

#7

7. BioAdvanced Moss and Algae Bundle

• Weight: 2 lb
• Form: Spray

Best for: Combined exterior and lawn care.

Why it ranks #7: The bundle includes a 32-ounce ready-to-spray moss and algae product, but the supplied details do not state driveway coverage for this listing.

This BioAdvanced package combines a ready-to-spray moss and algae cleaner with a ready-to-spray lawn fungus control, giving buyers two separate treatment types in one product listing. The moss-and-algae component is identified as a hose-applied formula, while verified facts include lawn and ornamental-grass safety when used as directed.

The listing pairs BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner with BioAdvanced Fungus Control for Lawns, both in ready-to-spray 32-ounce formats. That pairing can suit buyers addressing exterior moss and a separate lawn fungus-control need without choosing a concentrate for either listed treatment. Verified facts say the moss-and-algae product will not harm lawns or ornamental grasses when used as directed. The supplied details do not state combined coverage or confirm that the fungus-control component treats driveway moss.

Skip it if you want a single product with stated driveway coverage; BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner lists 500 square feet.

Consider this package if you want ready-to-spray exterior moss-and-algae care alongside a separate lawn fungus-control product. The supplied facts do not give combined coverage, so assess the individual treatment needs before relying on it for a driveway.

Listed on Amazon as: BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner, Ready-to-Spray, 32 oz with BioAdvanced Fungus Control for Lawns, Ready-to-Spray, 32 oz

#8

8. AMBRANDS Corry's Moss B Ware

• Weight: 3 lb
• Form: Spray

Best for: Basic moss-killer option.

Why it ranks #8: The listing identifies a three-pound moss product but supplies no driveway surface guidance, coverage, or useful application details.

AMBRANDS 903 Corry's Moss B Ware is identified as a three-pound moss killer, giving driveway owners a named product and listed quantity to consider for moss treatment. The supplied specifications list a spray item form, but do not establish particular driveway surfaces, coverage, or application directions.

The title identifies Corry's Moss B Ware as a moss-killer product, and the specifications list a three-pound item weight and spray form. Those details offer a basic product identity and format, but do not explain a driveway application workflow or indicate which hard surfaces are suitable. Without a stated coverage figure, buyers cannot use the supplied facts to size treatment for a particular driveway. Consider the available information carefully before choosing it for a surface-specific task.

Skip it if you need a listed driveway use and clear directions; BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner names driveways among its uses.

This is an option for buyers considering Corry's Moss B Ware by name and listed spray form. The supplied facts do not establish its driveway surfaces, coverage, or application method, so surface-specific planning is limited.

Listed on Amazon as: AMBRANDS 903 CORRY'S MOSS B WARE 3LB

#9

9. FMC Quicksilver Herbicide

• Form: Liquid

Best for: Reduced-risk herbicide for moss.

Why it ranks #9: This herbicide controls moss, but the supplied information does not establish driveway or hard-surface use, making it a poor fit.

FMC Quicksilver is identified as an EPA “Reduced Risk” herbicide with rainfastness within one hour, a combination that can suit buyers seeking a moss-control product with a stated weather-related timing detail. Its information also describes inhibition of a key enzyme in moss chlorophyll production.

The listing describes Quicksilver as a non-phenoxy herbicide with low use rates, providing specific product attributes for buyers comparing treatment approaches. Its rainfastness within one hour is a practical timing consideration if rain is a concern after application. The supplied description says it can reduce silvery thread moss by up to 90% and control moss in two applications at the stated rate. However, the product is presented as herbicide and moss control, not with a named driveway-surface use.

Skip it if you need a product explicitly listed for driveways; Wet & Forget Outdoor Cleaner names driveways and concrete among its surfaces.

Consider it if the named moss-control details and one-hour rainfastness matter to your application plan. The supplied facts do not identify driveway surfaces, so confirm that the intended use fits before selecting it.

Listed on Amazon as: Quicksilver Herbicide Broadleaf Weed and Moss Control

#10

10. Lilly Miller Moss Out For Lawns

• Weight: 11 lb
• Form: Liquid Concentrate

Best for: Lawn-edge moss control.

Why it ranks #10: This concentrate is specifically described for lawns and grass, not driveways, so its listed use does not fit the search.

Lilly Miller Moss Out for Lawns kills moss while preventing new growth and is listed as not harming lawns, making it relevant where driveway moss meets grass. The liquid concentrate contains 35 percent ferric sulfate and covers up to 2,000 square feet.

The concentrate format lets buyers plan a lawn-focused application around the driveway edge, while its stated coverage of up to 2,000 square feet gives an area reference. The listing says it kills moss and prevents new growth without harming lawn, a fit when grass borders a hard surface. Its 35-percent ferric sulfate content identifies the active ingredient concentration supplied. This product is specifically for lawns, so the provided facts do not establish it as a treatment for concrete driveway surfaces.

Skip it if you need a product listed for concrete driveways; BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner names driveways among its uses.

A fit for lawn owners managing moss along driveway borders who want stated lawn safety and coverage. It is not established here as a concrete treatment, so choose it for the grass area rather than assuming hardscape use.

Listed on Amazon as: Lilly Miller Moss Out For Lawns Concentrate 1gal – 5601110, Nuetral