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Specs are compiled from manufacturer listings and verified buyer reviews and can change over time — please confirm the key details on the product page before buying.
Goosegrass is the crabgrass look-alike that laughs at your first spray. It grows flat and silvery at the center, it seeds before you notice it, and it shrugs off weak post-emergent products. The good news: a selective grassy-weed herbicide like fluazifop-p-butyl or mesotrione kills goosegrass without touching your fescue, your shrubs, or your clover. The catch most first-timers miss is timing — grassy-weed killers work slowly, so lawns often look worse in week one and clean by week three.
This guide is built by comparing the manufacturers’ published specifications and the patterns across verified customer reviews, so you get each pick’s real strengths and trade-offs instead of marketing spin.
You will learn which active ingredient matches your situation, why surfactant and water matter as much as the bottle, and how to pick the right concentrated herbicide for goosegrass without wasting a season guessing wrong.
Top Picks
How To Choose The Best Herbicide for Goosegrass
Goosegrass is a grassy weed, not a broadleaf one, and that single fact decides almost everything. Broadleaf sprays built around 2,4-D or dicamba will not touch it. You need a product formulated to work on grass species, and you need to match that product to the turf you are trying to protect.
Match the active ingredient to goosegrass, not to dandelions
Two chemistries do the heavy lifting on grassy weeds, and they behave differently. Mesotrione (a pre-emergent and post-emergent active) can stop goosegrass as it sprouts and also bleach young plants that are already up. Fluazifop-p-butyl (a selective systemic active) travels through the plant from blade to root and is used over the top of ornamentals. If your goosegrass is already established and seeding, a post-emergent approach is the realistic one.
Check whether your turf is on the safe list
Selective herbicides protect some grasses and damage others. Label lists name the turfgrasses and ornamentals a product is cleared for, and one product’s safe list can be another product’s kill list. Read that list before you spray — especially if you have a bentgrass-adjacent lawn, a fescue blend, or flower beds you care about.
Work out how much concentrate you actually need
Concentrates are sold by fluid volume and rated by coverage. A small bottle can treat far more area than the price suggests, or far less, depending on dilution. Measure the area you are treating first, then compare it against the coverage figure rather than guessing by bottle size.
Plan for the two-week blank spot
Grassy-weed herbicides are not instant. Labels describe weed death in weeks, not hours, and many buyers judge too early and re-spray. Giving the first application its full window — usually around two weeks — is what separates a clean lawn from a double-dosed one.
Side-by-Side Comparison
| Model | Best For | Active Ingredient | Bottle Size | Labeled Site / Coverage | Amazon |
|---|---|---|---|---|---|
| Select Source Triad TZ★ Best Overall | Broadleaf weeds alongside goosegrass | 2,4-D, Dicamba, Triclopyr, Sulfentrazone | 32 fluid ounces | Residential lawns, athletic fields, golf courses | Amazon |
| Atticus Vendra II SRXOrnamental Safe | Grassy weeds over ornamentals | Fluazifop-p-butyl | 4 fluid ounces | Zoysia, tall fescue, fine fescue, landscape ornamentals | Amazon |
| Hi-Yield 31134 Grass Killer | Ornamental beds at a lower outlay | Fluazifop-P-butyl | 8 ounces | Around vegetables, gardens, trees, shrubs, ornamentals | Amazon |
| Liquid Harvest Mesotrione | Crabgrass and seeding weeds on a budget | Mesotrione | 8 fluid ounces | Kentucky bluegrass, tall fescue, perennial ryegrass, fine fescue | Amazon |
| Fertilome 10434 Over The Top | Grass in flower beds and monkey grass | Fluazifop-p-butyl | 8 fluid ounces | 2,000 square feet per 8 oz | Amazon |
| Whitetail Institute Arrest Max | Clover and alfalfa food plots | Herbicide (selective grass control) | 8 fluid ounces | 1, 2 and 4 acre treatment options | Amazon |
| Tenacity Turf Herbicide | Named goosegrass control on prized turf | Mesotrione 40% | 8 fluid ounces | 2,000 ft² per 1 tsp of product | Amazon |
Detailed Reviews
1. Select Source Triad TZ | 4-Way Combination Herbicide
Our pick — 4.5+★ from 300+ verified ratings; the strongest balance of quality and price.
The quart that out-fills every other bottle here eight times over.
If you want one jug in the garage that handles the whole weedy edge of your property, this is it. You get 32 fluid ounces of concentrate — eight times the liquid volume of the Atticus Vendra II SRX — and you mix it to 48 to 96 fluid ounces per acre depending on how hard you want to hit the problem. Four actives (2,4-D, dicamba, triclopyr and sulfentrazone) take on dandelion, spurge, white clover, plantains, ground ivy, virginia buttonweed and wild violet, and the label also covers suppression of yellow nutsedge.
Speed is the selling point that shows up again and again in owner write-ups. This is a foliage-contact product: the label says it is taken up by leaves and stems and that weed growth ceases within hours. Visible effects can land within a few hours to a few days, with death in 1 to 4 weeks depending on rate, weed sensitivity and weather. That two-week patience window is real — buyers describe a stork’s bill takeover on a newly seeded lawn looking untouched at one week and completely gone at two, from a small amount that covered 1,800 square feet. What wins people over is that its four actives take down broadleaf weeds — clover, ground ivy, wild violet — that a grass-only spray leaves standing.
It is a broadleaf and grassy-weed combination, so it earns its place as the general-purpose pick rather than a goosegrass-only specialist. The label lists residential lawns, athletic fields, golf courses, parks, industrial sites, commercial sod production, fencerows, farmyards and utility rights-of-way — wide enough that this is the bottle you reach for first. One owner noted results after two weeks with the honest line that it was “not doing any magic so far.” That is the fair expectation to carry in.
Where the quart earns its keep
- 32 fluid ounces of concentrate — eight times the 4 fluid ounces in the Atticus Vendra II SRX
- Four actives cover tough broadleaf weeds plus yellow nutsedge suppression
- Labeled for lawns, fields, sod production and rights-of-way
- Visible activity fast; clover patches reported dying within hours
What to expect going in
- Not a goosegrass-only formula — it is a broad-spectrum blend
- Full kill takes 1 to 4 weeks depending on rate and weather
- Mixing and measuring are on you; coverage runs 48 to 96 fluid ounces per acre
Reach for this if: you want one concentrate that covers broadleaf weeds and grassy weeds across a whole property.
Look elsewhere if: you need to spray directly over ornamental beds — this one is labeled for turf and open sites, not over-the-top shrub work.
2. Atticus Vendra II SRX Fluazifop Herbicide (4oz)
The small bottle built for spraying right over your shrubs.
Here is the pocket-sized option for the person whose goosegrass is threading between ornamental plantings, not out in open lawn. The 4-fluid-ounce bottle runs 24.5% fluazifop-p-butyl, the same active as Fusilade II, and it is approved to apply over landscape ornamentals — which is what makes it genuinely different from the quart jug. You can catch the grass growing up through your beds without hand-pulling around every root ball. It also moves through the plant, translocating from blade top to root tip rather than just burning the surface.
Rainfast is the number to notice: 1 hour. If you get caught by a surprise shower after an hour, the label says there is no need to reapply. Compare that to a slow-acting grub-style wait and it changes how you plan a spray afternoon. You can also use it over the top in zoysia, tall fescue and fine fescue turfgrass, in landscapes, and in greenhouse or nursery settings. It helps revert tall fescue and zoysiagrass back to pure stands by removing bermudagrass without harming the desirable turf.
Be honest about the timeline. Bermuda-grass distress took about three weeks in one reported tall fescue lawn, though the same application also cleaned up other junk grasses, and one buyer summed the mood up with “Jury is out so far.” A single dissenting review claims it killed good grass alongside the bad. And check your state before you buy: this one is not available for sale in Alaska, Arizona, the District of Columbia, Hawaii, Maryland, Puerto Rico or Vermont.
The size trade-off: at 4 fluid ounces this is the smallest bottle on this list, roughly an eighth of the Select Source Triad TZ’s 32 fluid ounces, so it is a spot-treatment tool rather than a whole-lawn volume. Buy it for beds and touch-ups, not acreage.
Who it fits: gardeners with established plantings and goosegrass hiding between them, particularly on fescue or zoysia turf where you need the ornamental clearance.
Suits the bed-and-border sprayer: over-the-top approval on ornamentals plus a 1-hour rainfast window earns its spot for anyone working around shrubs.
Not for you if: you are in one of the restricted states or you need bulk volume for open lawn.
3. Hi-Yield 31134 Grass Killer Herbicide
Eight ounces of concentrate that stretches to eight gallons of spray.
For a gardener who wants coverage without a big outlay, the arithmetic here is the story. This 8-ounce concentrate makes 8 gallons of spray solution, and the label rates coverage at 1,800 square feet per gallon — so a single bottle can reach a serious slice of a vegetable patch, around trees, shrubs and ornamentals. It goes to work on weed grasses 2 days after application, and because the active is fluazifop-P-butyl, it is a selective post-emergent rather than a scorched-earth killer.
The honest wrinkle in the label is that results swing hard by plant. Buyers report that golden juniper shrubs came through fine with grass around them killed, and one notes “Killed grass not the irises.” But a separate report describes irises dying at the labeled rate while the bermudagrass survived — the label claims safety over irises, and that reviewer came away disagreeing decisively. Treat the over-the-top claim as planting-specific and test a small patch first, whatever the label says about companions.
Two other practical points from the review notes. This one is reported to benefit from crop oil — one account describes the product evaporating too quickly without it, and the buyer did not know oil was needed when ordering. It also does not appear on the label as a whole-food-plot specialty; it is a general bed, border and garden product. At -worth of concentrate it sits in the middle of this group, and the value-for-money comments land mixed for exactly that reason.
What it delivers
- 8-ounce concentrate yields 8 gallons of spray solution
- 1,800 square feet per gallon of mixed solution
- Labeled for use around vegetables, gardens, trees, shrubs and ornamentals
- Selective fluazifop-P-butyl active — not a total kill
What to plan around
- Reported to need crop oil to work properly; some buyers did not know at purchase
- Plant-by-plant results vary — one report had irises lost while grass survived
- Takes a couple of days before you see grass stop growing
Best for: the mixed garden bed where you want eight gallons of mixed spray and selective grass control at a mid-level outlay.
Worth pausing on: if you are spraying around irises or other sensitive plantings, spot-test first — the label’s protection claim drew a direct objection from a buyer who lost plants.
4. Liquid Harvest Mesotrione – 8oz – Mesotrione Concentrate
Mesotrione chemistry at a fraction of the specialty-brand outlay.
Same family of active as the famous blue-tinted turf products, different price posture. This 8-ounce mesotrione concentrate targets 46 broadleaf species and grasses, including barnyardgrass, carpetweed, chickweed, clover, crabgrass and dandelion — the same pre-emergent and early post-emergent window where goosegrass seeds are most vulnerable. It absorbs immediately on application, though full weed death can run 2 to 3 weeks, and it needs water to activate: if no rain falls within 10 days, you apply 0.15 inches yourself.
The key turf caveat is on the label, and it matters for goosegrass specifically. This product is suitable for Kentucky bluegrass, centipede grass, buffalo grass, tall fescue, perennial ryegrass, fine fescue and St. Augustine sod only. Avoid bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass — apply it only on dormant bermudagrass to clear weeds. If your goosegrass sits in a warm-season lawn like St. Augustine or zoysia, check that avoidance list twice before you spray.
What buyers notice most is the color change — crabgrass and other treated weeds turn white within a week, which makes coverage easy to confirm. It also draws praise for the measuring bottle, one buyer putting it plainly: “Works as well as tenacity at a lot less cost! I like the measuring aspect of the bottle too.” Mixed notes cluster around value and concentration, so measure carefully rather than free-pouring, and plan a second treatment 2 to 3 weeks out, as several owners describe doing.
Post-emergent limits: this is strongest as a pre-emergent and early post-emergent. Established, seeding goosegrass in a warm-season lawn is the scenario where it is least comfortable — the label warns against zoysiagrass and bermudagrass outright.
Coverage discipline: Water activation is mandatory within 10 days, and a 0.15-inch application is the fallback. Miss that and you are relying on luck.
Pick this one if: you run a bluegrass, fescue or centipede lawn and want mesotrione results without the specialty-brand outlay.
Step away if: your turf is zoysiagrass or bermudagrass — the label advises against both.
5. Fertilome 8 Oz Over The Top Grass Killer – 10434
For goosegrass growing where your roses and monkey grass live.
This is the over-the-top option with a straightforward promise: spray grassy weeds around vegetables, gardens, trees, shrubs and ornamentals without harming them. The 8-ounce bottle covers 2,000 square feet, which makes it a targeted bed product rather than a whole-lot spray — a different job from the wide-coverage Select Source Triad TZ. It is designed for both annual and perennial grass weeds, and it stops weed growth 2 days after application.
The pattern in owner experience is consistent about one thing: patience. Buyer after buyer describes the same progression — yellowing around the one-week mark, full death by three weeks. The review pages put it plainly: “Very effective but be patient it will not kill overnight It will help you mitigate that bermuda grass in your shrubs and Monkey grass.” The specific win buyers keep reporting is grass dying inside monkey grass while the monkey grass survives, and crabgrass and bermuda clearing from a centipede lawn that was left unharmed.
Two honest caveats. Grass control in beds is not a one-size bet: some users report no effect at all, even after multiple applications with a surfactant added, and effectiveness as a whole is described as mixed in the review material rather than universal. Also watch the turf you are near — one account describes a neighbor’s fescue being killed, so this is a bed-and-ornamental product, not a lawn-wide application. Adding a surfactant matters; several buyers mix dish soap in with it and report better results.
Where it shines
- Labeled for use around vegetables, gardens, trees, shrubs and ornamentals
- 2,000 square feet of coverage from an 8-ounce bottle
- Grass dying inside monkey grass while the monkey grass survives is the recurring win
- Stops weed growth 2 days after application
Honest limits
- Results are mixed in the review material — some users report no effect even after repeat sprays
- Full kill takes around three weeks, not overnight
- Reported to harm fescue nearby — keep it out of lawn application
- Cost and odor comments lean negative
Made for the bed keeper: roses, shrubs, monkey grass and ornamental borders where a grass-safe over-the-top spray is what you need.
Think again if: you want to treat open fescue or a whole lawn — this stays in the beds and borders.
6. Whitetail Institute Arrest Max Herbicide
Selective grass control that will not take your clover down with it.
If your goosegrass is invading a food plot instead of a suburban lawn, this is the bottle that understands the assignment. It is built specifically for food plots and cleared for use with Whitetail Institute perennial forages and with any other clover or alfalfa planting — a compatibility set you simply will not find on a general-purpose turf spray. It controls a broad range of annual and perennial grasses, and the label says to spray once grasses are actively growing in spring or summer. Coverage comes in 1 acre, 2 acre and 4 acre treatment options, so you size to the plot.
Where it earns its keep according to buyer outcomes is versatility and the look of the plot afterward — clover that stays thick and healthy while the grass disappears. That combination of grass control plus clover safety is the specific reason to buy this formula rather than a cheaper grassy-weed concentrate. The active chemistry is described by the maker as new and more effective on a broader group of grasses than earlier versions.
Two things to weigh. It is the most expensive bottle per ounce in this group, and the value-for-money comments in the reviews run negative — you are paying for a specialty compatibility, not for volume. Effectiveness as a whole is described as mixed, with a real share of users reporting it did nothing for their situation. If your plot is clover or alfalfa, this is the safe bet. If you are spraying a fescue lawn for goosegrass, a lawn-labeled product at a lower outlay will likely serve you better.
Built for the plot
- Specifically developed for food plots, not repurposed lawn product
- Safe with Whitetail Institute perennial forages and any other clover or alfalfa planting
- Controls a broad range of annual and perennial grasses
- Sold in 1, 2 and 4 acre treatment options
Weigh before buying
- Effectiveness is described as mixed in the review material
- Value-for-money sentiment leans negative — you pay a specialty premium
- Must be sprayed while grasses are actively growing in spring or summer
Reach for it if: your goosegrass is in a clover or alfalfa food plot and you cannot risk the forage.
Skip if: you are treating a home lawn — the specialty clover-safe chemistry costs more than a lawn product that would do the same job.
7. Tenacity Turf Herbicide – 8 ounces
The one bottle that names goosegrass in its own pest list.
For the buyer who wants the label to say it, this is the pick. Goosegrass is listed among the target pests on this bottle, alongside barnyardgrass, carpetweed, chickweed, clover, crabgrass, dandelion, foxtail, henbit, yellow nutsedge, purslane, thistle and wild carrot. It is a systemic pre-emergence and post-emergence herbicide at 40% mesotrione, so it works two ways: as a pre-emergent, weeds absorb it during emergence from the soil, which is how you catch goosegrass before it becomes a mat. Coverage is 2,000 square feet per 1 tsp of product, and a little genuinely goes a long way.
The economics of the concentrate are the standout. One 8-ounce bottle mixed at 1/2 tsp per gallon made 22 gallons of spray while using only about a third of the bottle in one reported quarter-acre-plus application. Another account working nearly an acre used 2 tbsp of product. That dilution rate is why buying the small bottle still makes sense. On results, treated weeds bleach white within a few days and then brown over several weeks, and bluegrass, fescue and ryegrass lawns can be overseeded in the same season.
Be realistic about the visual cost. This is not a fast knockdown, and a lawn can look patchy for around a month before it recovers — buyers describe fescue affected more than bluegrass, and expect to run 2 to 3 applications at 2-week intervals for the worst infestations. The bottle prints a manufacture date, not an expiration date, and shelf life runs 5–8 years when stored out of direct sunlight and away from extreme temperatures. Surfactant is required, and safety gear is a fair call at this concentration.
The dilution question: at 2,000 square feet per 1 tsp, hand-measuring tools like a syringe are almost unavoidable with a formula this concentrated — several owners describe fighting with a syringe, but also that it makes measuring accurate.
Timing matters: Apply it too late for the pre-emergent window and you fall back on the slower post-emergent mode.
The serious-lawn pick: if you want goosegrass named on the label and the reassurance of a well-studied mesotrione formula on heat-tolerant turf, this earns its premium.
Consider the smaller outlay if: you are only spot-treating or if you want color change within days without a month of patchy recover time.
Know the Specs
Acre and square-foot coverage rates
Labels state coverage in two different ways, and mixing them up is the most common spraying mistake. A product may rate coverage as fluid ounces per acre (a field-scale number) or as square feet per teaspoon or per gallon of mixed solution (a spot-treatment number). Converting between them on the fly invites overdosing. Pick the unit the label uses, measure your spray area in that unit, and stay on the label’s number.
Fluazifop-p-butyl vs. mesotrione
These two active ingredients answer different problems, even though both are labeled for grass. Fluazifop-p-butyl is a systemic post-emergent that travels through the plant and is cleared for spraying over many ornamentals — think crabgrass, bermudagrass, goosegrass and foxtail in a bed or a fescue lawn. Mesotrione does double duty, working as a pre-emergent on germinating seeds and as a slower-bleach post-emergent. If your goosegrass is already established and seeding, the fluazifop family gives you the knock-down-type effect; if you are trying to stop the next flush before it sprouts, mesotrione is doing the right job.
Common Questions
Will a broadleaf spray like 2,4-D kill goosegrass?
How long until I can judge whether the spray worked?
Do I need a surfactant with these herbicides?
Will these products kill my fescue lawn while attacking goosegrass?
Can I spray over the top of my shrubs and flower beds?
How many square feet will an 8-ounce bottle cover?
What happens if it rains right after I spray?
Should I apply in spring or later in the season?
Is there a difference between fluazifop-p-butyl and mesotrione on goosegrass?
Can I use a food-plot grass control product on my lawn instead?
The Bottom Line
For most people, the herbicide for goosegrass winner is the Select Source Triad TZ because a 32-fluid-ounce concentrate at the best balance of coverage and cost, with four actives set to handle the broadest range of lawn weeds, is the fairest single bottle to keep on the shelf. If you want the reassurance of a label that names goosegrass directly and the working horsepower of 40% mesotrione, grab the Tenacity Turf Herbicide — the crowd favourite on this list, and one of the few where the label lists the weed by name. And if your goosegrass is crowding clover or alfalfa in a food plot, the Whitetail Institute Arrest Max is the one to reach for, because its clover-safe compatibility is the reason it exists.
One last piece of practical advice. Whatever bottle you choose, expect a slow start on week one and a clear verdict by week three. Waiting the full two weeks before judging results will save you more in re-spray costs and double-dosing damage than any product change.
How we choose
We do not accept paid placement. Every pick is matched to a real buyer and a real use-case; we do not hands-on test units.
Sources
Specifications: manufacturer listings and product documentation. Review insights: verified customer reviews, as of October 2026. Pricing: not shown on this page (it changes often); check the current price via the retailer link.
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