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5 Best Lawn Fungicide for Dollar Spot Disease on Fescue

·17 min read·by

Lead Turfgrass & Lawn Care Specialist at Totally Green Lawn · Certified Turfgrass Specialist (CTS), Master Gardener, B.S. in Agronomy & Turf Science · 14+ years in residential turf management, organic fertilization, and weed science

Dollar spot doesn't care about your weekend plans. It shows up on tall fescue as small straw-colored patches that bleach into silver-dollar-size lesions overnight, usually when nights stay above 60°F and leaves stay wet for 8+ hours. The right fungicide stops the fungus (Clarireedia jacksonii, formerly Sclerotinia homoeocarpa) before those patches smear together into the kind of damage that takes a full growing season to recover from.

The best lawn fungicide for dollar spot disease on fescue is the Scotts DiseaseEx Lawn Fungicide, the only one on this list that lists dollar spot by name on the label and ships in a 10-lb bag big enough to cover a typical fescue yard in a single pass.

Want a budget-friendlier liquid instead? The BioAdvanced Fungus Control for Lawns (32 fl oz) gets you there with a hose-end spray bottle, as long as you're comfortable with a smaller coverage area and a different active ingredient.

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This guide breaks down which fungicide actually moves the needle on fescue, which ones are overkill for a home lawn, and which buyers should skip the whole category and just adjust their watering schedule instead. The picks below come from current Amazon product data, manufacturer labels, and the owner track record behind each ASIN. Our editorial team has not sprayed any of these products in a research lawn.

Quick Answer: The Best Lawn Fungicide for Dollar Spot Disease on Fescue

Scotts DiseaseEx is the top pick for most fescue lawns because it calls out dollar spot on the label and comes in a granular form that spreads evenly with a regular broadcast spreader. Here is the full lineup:

Thinking about going organic or skipping fungicides entirely? Jump to the Who Should NOT Buy section below before you spend anything.

Comparison Table

Here's the lineup at a glance: photo, product, who it's built for, and our /10 score.

PhotoProductBest forScoreBuy
Scotts DiseaseEx Lawn FungicideScotts DiseaseEx Lawn FungicideFescue Lawns with Dollar Spot8.7/10Check price →
BioAdvanced Fungus Control LawnsBioAdvanced Fungus Control LawnsSpot Treatments Under 5,000 sq ft7.9/10Check price →
Atticus Gunner 14.3 MEC Propiconazole FungicideAtticus Gunner 14.3 MEC Propiconazole FungicidePro-Grade Propiconazole on Fescue8.3/10Check price →
BioAdvanced Fungus Control LawnsBioAdvanced Fungus Control LawnsLarge Fescue Lawns Over 5,000 sq ft8.1/10Check price →
Bonide Captain Jack's Copper FungicideBonide Captain Jack’s Copper FungicideOrganic / Pet-Friendly Lawns7.2/10Check price →

Scroll sideways on small screens to see every column.

Scotts DiseaseEx Lawn Fungicide: Best Overall for Fescue Lawns with Dollar Spot

#1Scotts DiseaseEx Lawn Fungicide
ScottsGranular, label-matched to dollar spot
8.7OUT OF 10
Label Match9.4
Coverage Area9.0
Ease of Use8.8
Owner Verdict7.6
This is the only granular fungicide on the list that calls out dollar spot by name on the label. Scotts DiseaseEx uses azoxystrobin (0.31%) as its active ingredient, a strobilurin-class chemistry that stops the dollar spot fungus from producing energy inside its cells. The 10-lb bag covers up to 5,000 sq ft at the broadcast rate, which is roughly the size of a typical suburban fescue yard.
It comes out as a fine granular you walk-behind broadcast across the lawn, then water in within 24 hours. Owner reports on Amazon consistently mention a 2-3 week window before new dollar spot activity stops showing up, and the label allows reapplication every 14-28 days. The same bag also handles brown patch, rust, and red thread, so you get coverage for the other fescue diseases that often ride in alongside dollar spot in mid-summer.
Flaws but not dealbreakers. The bag is heavy at 10 lb and the granules are small, so you’ll want a spreader with a fine-tooth setting or you’ll over-apply in strips. A few buyers note that on a full-blown dollar spot outbreak, a single 10-lb bag only covers the worst patches, and the disease can flare back up in spots you missed the first pass.
Need a liquid alternative for a quick knockdown on small dollar spot patches? The BioAdvanced Fungus Control for Lawns (32 fl oz) further down lets you spray targeted areas without dragging out a spreader.
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Application: Always water in within 24 hours of spreading, and keep pets and kids off the treated area until the granules have been watered in and the lawn has dried completely.
Pros
  • ✓Dollar spot listed by name on the product label
  • ✓10-lb bag covers up to 5,000 sq ft, fits most home fescue lawns in one pass
  • ✓Granular format spreads evenly with a standard broadcast spreader
  • ✓Also controls brown patch, rust, and red thread on the same label
Cons
  • ✕Not OMRI-listed, not approved for organic lawn programs
  • ✕Azoxystrobin resistance is documented in some dollar spot populations after repeated use
  • ✕Requires watering-in within 24 hours or efficacy drops noticeably
Active Ingredient
Azoxystrobin 0.31%
Coverage
Up to 5,000 sq ft
Format
Granular
Reapply Interval
14-28 days
Best for: Homeowners with a standard-size fescue yard who want one product that labels dollar spot and brown patch in a single bag.

BioAdvanced Fungus Control Lawns: Best Liquid Hose-End Option Under 5,000 sq ft

#2BioAdvanced Fungus Control Lawns
BioAdvancedHose-end spray, 32 fl oz bottle
7.9OUT OF 10
Label Match8.0
Coverage Area6.8
Ease of Use9.2
Owner Verdict7.6
This is the simplest product on the list to actually apply. BioAdvanced’s liquid formulation ships in a 32 fl oz hose-end bottle that hooks up to a standard garden spigot, with the active ingredient propiconazole at 1.45%. You spray a uniform coat across the lawn and let the chemistry dry on the leaf surface, no spreader, no watering-in step.
It works best on fescue yards under 5,000 sq ft, which is roughly the upper coverage limit of one 32 fl oz bottle at the labeled rate. Owner reports mention dollar spot activity slowing within 7-10 days of the first pass, and the label allows repeat applications at 14-day intervals. The same active ingredient is what most golf course superintendents rotate into their dollar spot programs, which is part of why this small bottle has such a loyal following.
Flaws but not dealbreakers. Coverage is the bottleneck. At a typical fescue rate, one 32 fl oz bottle tops out around 3,500-5,000 sq ft, so larger yards will burn through multiple bottles. A handful of buyers also report the sprayer head sticking or leaking after a few uses.
If your fescue yard is over 5,000 sq ft and you want the same active ingredient in a granular format, the BioAdvanced Fungus Control Granules (10 lb) further down covers more ground per container.
⚠
Coverage: A single 32 fl oz bottle covers up to 5,000 sq ft, so measure your lawn before you buy. Larger fescue yards will need 2-3 bottles per application cycle.
Pros
  • ✓Propiconazole 1.45%, the same active golf course turf managers use
  • ✓No spreader needed, just hook the bottle to a hose and spray
  • ✓List controls dollar spot, brown patch, and other common turf diseases
  • ✓Visible results often within 7-10 days on early-stage dollar spot
Cons
  • ✕32 fl oz bottle only covers up to 5,000 sq ft per application
  • ✕Hose-end sprayer head can leak or stick after a few uses
  • ✕Not approved for organic lawn care programs
Active Ingredient
Propiconazole 1.45%
Bottle Size
32 fl oz
Format
Liquid hose-end
Reapply Interval
14 days
Best for: Fescue homeowners with small to mid-size yards (under 5,000 sq ft) who want a fast, no-spreader application with pro-grade chemistry.

Atticus Gunner 14.3 MEC Propiconazole Fungicide: Best Pro-Grade Concentrate for Serious Dollar Spot

#3Atticus Gunner 14.3 MEC Propiconazole Fungicide
AtticusConcentrate, 14.3% propiconazole
8.3OUT OF 10
Label Match9.0
Coverage Area8.6
Ease of Use6.8
Owner Verdict8.8
This is the only concentrate on the list, and it carries the same 14.3% propiconazole percentage found in commercial turf labels. Atticus Gunner 14.3 MEC comes in a 32 fl oz bottle of microemulsion concentrate (MEC) that you dilute with water and apply through a pump or backpack sprayer. One bottle mixes into enough finished spray to cover up to 8,000-11,000 sq ft depending on your calibration.
For a homeowner who’s already comfortable with a sprayer and wants a real, professional-grade active ingredient at the right concentration, this is the closest you can get to what a golf course superintendent uses. Owner feedback on Amazon (4.6/5) is the highest of any product on this list, and reviewers consistently mention clean dollar spot knockdown when mixed and applied at the labeled rate of 1-2 fl oz per 1,000 sq ft. The concentrate also stores for 2+ years if you keep the bottle sealed and out of direct sun.
Flaws but not dealbreakers. It is not a hose-end product. You need a separate pump sprayer or backpack sprayer, and you have to measure and mix carefully because over-applying propiconazole can cause temporary turf yellowing. The bottle also lacks a built-in measuring chamber, so you’ll want a dedicated measuring cup.
If you don’t already own a sprayer and would rather not buy one, the [Scotts DiseaseEx](https://www.amazon.com/dp/B075R7BNXV?tag=totallygreenlawn-20) at the top of this list spreads without any mixing or calibration.
⚠
Mixing: Over-application can yellow fescue temporarily. Calibrate your sprayer and stick to the labeled 1-2 fl oz per 1,000 sq ft rate.
Pros
  • ✓14.3% propiconazole, the same concentration used on golf greens
  • ✓32 fl oz concentrate covers up to 8,000-11,000 sq ft when mixed
  • ✓Highest owner rating on the list at 4.6/5 from verified buyers
  • ✓Concentrate format keeps the cost per 1,000 sq ft low at the labeled rate
Cons
  • ✕Requires a separate pump or backpack sprayer you may not own
  • ✕Over-application can yellow fescue blades temporarily
  • ✕No built-in measuring chamber on the bottle
Active Ingredient
Propiconazole 14.3%
Bottle Size
32 fl oz concentrate
Format
Microemulsion concentrate
Coverage
~8,000-11,000 sq ft
Best for: Fescue homeowners with a pump sprayer who want the same active ingredient golf course superintendents use, at the lowest cost per 1,000 sq ft.

BioAdvanced Fungus Control Lawns: Best Granular Coverage for Fescue Yards Over 5,000 sq ft

#4BioAdvanced Fungus Control Lawns
BioAdvancedGranular, 10 lb bag
8.1OUT OF 10
Label Match8.2
Coverage Area8.8
Ease of Use8.4
Owner Verdict7.0
This is the granular version of the BioAdvanced line, sized for fescue lawns that run larger than a typical city lot. The 10 lb bag of BioAdvanced Fungus Control Granules spreads the same propiconazole chemistry as the liquid, just in a dry-shaker form you walk-behind across the lawn with a broadcast or drop spreader. The granular carrier is mostly corn cob, so the product breaks down quickly into the thatch layer after watering.
Coverage is the headline. At the labeled broadcast rate, one 10 lb bag treats up to 5,000 sq ft, and most fescue owners with 1/4- to 1/3-acre yards can finish the job with a single bag. Owner feedback is solid (4.4/5) with most buyers reporting visible dollar spot reduction within 14-21 days. Because the active ingredient is the same propiconazole used in the liquid BioAdvanced bottle, you can rotate between the two products without changing chemistry classes.
Flaws but not dealbreakers. The granules are dusty and you’ll notice a faint chemical smell during application, so a basic dust mask helps. A few buyers also report the bag arriving with clumps that need to be broken up before the spreader can deliver a uniform pattern.
Want a granular option that uses a different active ingredient (azoxystrobin) for rotation purposes? The [Scotts DiseaseEx](https://www.amazon.com/dp/B075R7BNXV?tag=totallygreenlawn-20) at the top of this list is the right rotation partner.
⚠
Storage: Store the bag sealed and dry. Granular fungicides absorb moisture from the air and clump up if the bag stays open, which throws off spreader calibration.
Pros
  • ✓10 lb bag treats up to 5,000 sq ft, good for 1/4- to 1/3-acre fescue yards
  • ✓Same propiconazole chemistry as the liquid BioAdvanced bottle
  • ✓Spreads with any standard broadcast or drop spreader
  • ✓Rotates easily with azoxystrobin products to manage resistance
Cons
  • ✕Granules can clump inside the bag if moisture gets in
  • ✕Dust during application, a basic dust mask is recommended
  • ✕Slower visible results than the liquid hose-end bottle (14-21 days)
Active Ingredient
Propiconazole 0.51%
Bag Size
10 lb
Format
Granular
Coverage
Up to 5,000 sq ft
Best for: Fescue owners with yards over 5,000 sq ft who want propiconazole chemistry in a granular bag that finishes the job without refilling mid-lawn.

Bonide Captain Jack’s Copper Fungicide: Best Organic / Pet-Friendly Pick for Fescue

#5Bonide Captain Jack's Copper Fungicide
BonideOMRI-listed copper soap, RTU spray
7.2OUT OF 10
Label Match6.5
Coverage Area6.0
Ease of Use9.4
Owner Verdict6.9
This is the only product on the list that’s OMRI-listed for organic lawn care. Bonide Captain Jack’s Copper Fungicide uses copper octanoate (copper soap) at 0.08% as the active ingredient, a contact fungicide that disrupts fungal cell membranes on contact. It comes in a 32 fl oz ready-to-use (RTU) spray bottle, so there’s no measuring, no mixing, and no spreader to clean afterward.
For a household with kids, dogs, or a vegetable garden adjacent to the lawn, copper soap is the lowest-toxicity option that still shows measurable dollar spot suppression. According to [USDA organic standards guidance](https://www.usda.gov/), copper octanoate appears on the list of allowed synthetic substances for disease control in organic crop production, which is why it carries the OMRI label. The RTU bottle is the most beginner-friendly format on this list. You point, spray, and walk away.
Flaws but not dealbreakers. Copper fungicides are protectant-only, meaning they have to coat the leaf surface before the fungus arrives, and they wash off in rain. The 32 fl oz RTU bottle also covers the least ground on this list, typically under 2,000 sq ft at the labeled rate, so a full fescue lawn will burn through 3-4 bottles per application. On a heavy dollar spot outbreak, you’ll need to reapply every 5-7 days instead of every 14.
Need a synthetic option with stronger dollar spot knockdown and longer reapplication intervals? The [Scotts DiseaseEx](https://www.amazon.com/dp/B075R7BNXV?tag=totallygreenlawn-20) at the top of this list is the conventional alternative that does the heavy lifting.
⚠
Reapplication: Copper soap is a protectant, not a systemic. Reapply every 5-7 days during active dollar spot pressure, and always reapply after a heavy rain or irrigation cycle.
Pros
  • ✓OMRI-listed, approved for organic lawn care programs
  • ✓Safe around kids, pets, and edible gardens once the spray dries
  • ✓RTU bottle requires no mixing, measuring, or spreader
  • ✓Lowest toxicity profile of any product on this list
Cons
  • ✕Protectant only, must coat leaves before fungus arrives
  • ✕32 fl oz RTU bottle covers under 2,000 sq ft, large lawns need 3-4 bottles
  • ✕Washes off in rain, reapplication needed every 5-7 days during outbreaks
Active Ingredient
Copper octanoate 0.08%
Bottle Size
32 fl oz RTU
Format
Ready-to-use spray
OMRI Listed
Yes
Best for: Fescue owners committed to an organic lawn program, or households with kids and pets where the lowest-toxicity option matters most.

Buying Guide: Active Ingredient, Format, and Coverage

Dollar spot is caused by a single fungal pathogen, but the products that suppress it use very different active ingredients, formats, and coverage numbers. Before you buy, it helps to know what you're actually choosing between.

Match the active ingredient to your disease pressure

The two most common synthetic actives in home lawn fungicides are azoxystrobin (a strobilurin, in Scotts DiseaseEx) and propiconazole (a triazole, in BioAdvanced liquid, BioAdvanced granules, and Atticus Gunner 14.3 MEC). According to university extension research compiled by the University of Kentucky College of Agriculture, rotating between at least two chemistry classes is the standard recommendation for slowing the development of fungicide resistance in dollar spot populations.

If you've sprayed propiconazole more than twice in a single growing season, switch to azoxystrobin for the next application. If you want the gentlest option and accept that you'll be reapplying more often, copper soap (in Bonide Captain Jack's) is the only OMRI-listed entry on this list.

Pick the format that matches your tools and yard size

Granular products spread with a broadcast or drop spreader and water in, which is the cleanest workflow for fescue yards over 3,000 sq ft. Liquid hose-end bottles hook up to a spigot and spray as you walk, which is faster on smaller yards but limited by bottle capacity. Concentrates like Atticus Gunner 14.3 MEC require a pump sprayer you may not own, but they deliver the lowest cost per 1,000 sq ft at the labeled rate.

RTU spray bottles are the most beginner-friendly but cover the least ground per container.

Read the coverage numbers, not just the container size

A 10 lb granular bag sounds like a lot, but most products on this list only cover 5,000 sq ft per bag at the broadcast rate. A 32 fl oz liquid bottle can cover anywhere from under 2,000 sq ft (RTU copper soap) to 11,000 sq ft (diluted concentrate). Measure your lawn before you buy.

These five picks span roughly 2,000 to 11,000 sq ft per container, so the same dollar amount gets you very different coverage depending on format.

Who Should NOT Buy Best Lawn Fungicide for Dollar Spot Disease on Fescue

Lawn fungicides are the wrong purchase for several common buyer situations. Here's who they are, and what to look at instead.

You're seeing brown spots but no silver-dollar lesions

Dollar spot has a distinctive look: straw-colored blades with a bleached white tip, and lesions shaped like an hourglass or a silver dollar across the leaf. If your fescue is going brown in large irregular patches, you're more likely dealing with brown patch (Rhizoctonia solani), drought stress, or grub damage. Brown patch is best handled by azoxystrobin products (like Scotts DiseaseEx), while grub damage needs a curative insecticide, not a fungicide at all.

Diagnose first, then match the active ingredient.

Your lawn is overwatered or watered at night

Fungicides treat symptoms. If your irrigation is the root cause, you'll be re-spraying every 14-21 days for the rest of the season. Dollar spot needs 8+ hours of leaf wetness to infect, and the single most effective cultural change is switching to morning watering (before 10 a.m.) so the leaf surface dries before nightfall.

Per University of Maryland Extension guidance on turfgrass disease management, adjusted irrigation alone resolves light dollar spot pressure on fescue in many cases. Apply fungicide only after the cultural fix is in place, and you'll spend less per year for the same result.

You want to seed or overseed this fall

Most synthetic fungicides on this list have a reseeding interval of 4-12 weeks after application, depending on the active ingredient and the rate used. If you plan to overseed your fescue in the next 30-60 days, choose a copper-based product like Bonide Captain Jack's instead, or skip the fungicide and rely on nitrogen fertilization to push the lawn through a light dollar spot flare-up on its own.

Final Verdict

The Scotts DiseaseEx Lawn Fungicide is the best overall pick for a typical fescue yard because it labels dollar spot by name, comes in a granular format that finishes the job in a single pass, and covers up to 5,000 sq ft per 10 lb bag. It's the lowest-friction entry point for most homeowners.

Want a liquid hose-end format instead? The BioAdvanced Fungus Control for Lawns (32 fl oz) is the simpler, no-spreader option for yards under 5,000 sq ft. Want pro-grade chemistry at the lowest cost per 1,000 sq ft, and you already own a pump sprayer?

The Atticus Gunner 14.3 MEC is the strongest dollar spot knockdown on the list. Running an organic lawn or worried about pets and kids? The Bonide Captain Jack's Copper Fungicide is the only OMRI-listed choice here.

If you're not sure fungicide is the right move, scroll back up to the Who Should NOT Buy section first. Adjusting your irrigation timing is free, and in many cases it's the only fix a fescue lawn actually needs.

FAQ

What's the best lawn fungicide for dollar spot disease on fescue overall?

The Scotts DiseaseEx Lawn Fungicide is the top pick because it lists dollar spot on the product label, uses azoxystrobin at 0.31%, and comes in a 10 lb granular bag that covers up to 5,000 sq ft. It's the simplest entry point for a typical fescue yard.

Can I spray fungicide and seed my fescue at the same time?

No. Most synthetic fungicides (azoxystrobin, propiconazole) have a 4-12 week reseeding interval on the label. If you plan to overseed within 30-60 days, switch to a copper-based product like Bonide Captain Jack's or skip the fungicide and rely on nitrogen fertilization to push through light dollar spot pressure.

How often do I need to reapply fungicide on fescue?

For azoxystrobin products like Scotts DiseaseEx, the label allows reapplication every 14-28 days. For propiconazole products (BioAdvanced liquid and granules, Atticus Gunner 14.3 MEC), the interval is 14 days. Copper soap needs the most frequent reapplication at every 5-7 days during active dollar spot pressure because it washes off in rain.

Is a liquid or granular fungicide better for dollar spot?

Granular products spread evenly with a broadcast spreader and last longer in the canopy, but they need to be watered in. Liquid products work faster on contact and are easier on small yards, but most bottles cover less ground per container. If your fescue yard is over 5,000 sq ft, granular is usually the better value.

If it's under 3,000 sq ft, a hose-end liquid like BioAdvanced is faster to apply.

Do I need a pump sprayer for any of these products?

Only the Atticus Gunner 14.3 MEC Propiconazole concentrate requires a separate pump or backpack sprayer. The Scotts DiseaseEx, BioAdvanced liquid, and BioAdvanced granules all use a standard broadcast spreader or a hose hookup. The Bonide Captain Jack's bottle is a ready-to-use spray with no equipment at all.

Caleb Henderson is a Certified Turfgrass Specialist, agronomist, and Founder & Lead Editor at Totally Green Lawn. With over 14 years of hands-on experience in residential lawn care, soil science, eco-friendly weed control, and seasonal turf management, Caleb helps homeowners achieve thick, lush, weed-free lawns using proven, sustainable techniques.

Lead Turfgrass & Lawn Care Specialist at Totally Green Lawn · Certified Turfgrass Specialist (CTS), Master Gardener, B.S. in Agronomy & Turf Science · 14+ years in residential turf management, organic fertilization, and weed science

Writes aboutTurfgrass ManagementLawn FertilizationWeed Control & HerbicidesSoil Science & AerationCool-Season & Warm-Season GrassesLawn Mower Maintenance

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