Best Post Emergent Herbicide For Sandburs: Compare 9 Options

#1 · Best Overall

1. BASF Drive XLR8

• Form: Liquid
• Weight: 4.2 lb

Best for: Rainfast residual crabgrass control.

Why it ranks #1: Its details explicitly specify post-emergent grassy-weed control for lawn and turf, quinclorac, rainfastness under an hour, and up to 30 days of residual control.

A water-based quinclorac concentrate pairs faster plant uptake with rainfastness in less than an hour, helping applications fit around changing weather. BASF also lists up to 30 days of residual control, a useful feature for lawn managers seeking longer-lasting control of crabgrass and other listed weeds.

The liquid concentrate’s water-based formulation is described as supporting faster plant uptake, while rainfastness in less than an hour can reduce the time an application must remain undisturbed by rain. Its up-to-30-day residual control may also reduce how often repeat applications are needed. The listing identifies crabgrass and broadleaf weed control, but does not name sandburs, so buyers should rely on the label for target-specific guidance rather than assume sandbur efficacy.

Skip it if you need a product listing that explicitly names sandburs; this listing identifies crabgrass and broadleaf weeds instead.

A lawn manager looking for a liquid quinclorac concentrate, quick rainfastness, and residual control may find this a practical fit. Its listed targets do not specifically include sandburs, so verify that use against the product label.

Listed on Amazon as: BASF Drive XLR8 Crabgrass Killer for Lawn & Turf, Post Emergent Grassy & Broadleaf Weed Control, Active Ingredient Quinclorac, 30 Day Residual, Herbicide, Concentrate 64 Ounce

#2 · Dual-Action Pick

2. Atticus Torocity Mesotrione

• Form: Liquid
• Weight: 8 oz

Best for: Measuring-syringe mesotrione.

Why it ranks #2: Contains 40.0% mesotrione and is described for pre- and post-emergent grassy and broadleaf weed control in newly seeded and established lawns.

Torocity pairs 40.0% mesotrione with an included pre-marked syringe, helping users measure concentrate for pre- or post-emergent lawn treatments. The listing describes use on both newly seeded and established turf, offering timing flexibility across lawn stages while keeping the active ingredient and measuring tool clearly identified.

Its pre- and post-emergent activity lets users address weeds before emergence or after they appear, while the stated use on newly seeded and established turf extends the listed lawn-stage fit. The included pre-marked syringe supports measuring the concentrate, which can make preparation more straightforward. The product contains 40.0% mesotrione; the supplied facts do not name sandburs or specify a sandbur rate, so check the complete label for target and turf directions.

Skip it if you need a listed sandbur target and rate; BASF Drive XLR8 at least names crabgrass, though it also does not name sandburs.

Torocity may suit lawn owners wanting mesotrione across new seeding and established-turf situations, with a syringe for measuring concentrate. Its supplied details do not specify sandbur control, so use the full label to confirm targets and directions.

Listed on Amazon as: Atticus Torocity Mesotrione Herbicide (8oz) – (Compare to Tenacity)

#3 · Seed-Compatible Option

3. The Andersons Meso 4 SC

• Form: Liquid

Best for: Mesotrione for seeding lawns.

Why it ranks #3: Its listed targets include grassy weeds and crabgrass, and the product is described for pre- and post-emergent use, including seeding with a fine-fescue exception.

Meso 4 SC combines pre- and post-emergent control with a stated fit for seeding or overseeding, allowing lawn owners to address existing weeds and prevent new growth while establishing grass. The listing names more than 50 common broadleaf and grassy weeds, including crabgrass, foxtail, clover, and nutsedge.

Its pre- and post-emergent activity addresses both weeds that have appeared and those still to emerge, while the seeding and overseeding compatibility supports lawn-renewal workflows. The stated exception is fine fescue, an important turf boundary for seed plans. A bottle and syringe are included, and the listed weed range exceeds 50 common broadleaf and grassy weeds; sandbur is not among the supplied examples, so check the label for that target.

Skip it if you are seeding fine fescue; the product listing specifically excludes that grass from its seeding compatibility.

This mesotrione option may fit homeowners overseeding a lawn who want both pre- and post-emergent control and a syringe for application preparation. Fine fescue is excluded from the seeding claim, and sandbur-specific use needs label confirmation.

Listed on Amazon as: The Andersons Meso 4 SC – Mesotrione Pre-Emergent and Post-Emergent Weed Control 8 fl. oz.

#4

4. Liquid Harvest Mesotrione

• Form: Liquid
• Weight: 8 oz

Best for: Mesotrione with broad grass fit.

Why it ranks #4: The listing describes pre- and post-emergent control across 46 broadleaf species and grasses, including crabgrass, but does not identify sandbur.

This mesotrione concentrate targets 46 broadleaf species and grasses, with crabgrass and barnyard grass among the examples, and is listed for both pre- and post-emergent use. That combination gives lawn owners a flexible weed-control option across several named turf types, though full weed death may take two to three weeks.

The liquid mesotrione begins absorbing upon application, while the stated two-to-three-week period to full weed death sets expectations for visible results. Water activation is another key workflow requirement: if rainfall does not occur within 10 days, the listing calls for 0.15 inches of water. Its named turf options include Kentucky bluegrass, centipede grass, buffalo grass, and tall fescue, so check the complete label for compatibility and sandbur directions.

Skip it if you cannot provide activation water when rainfall is absent; BASF Drive XLR8 is listed as rainfast in under an hour.

Choose this concentrate if you want mesotrione with pre- and post-emergent use across named lawn grasses and can plan for activation water. Its stated full-control timeline is two to three weeks, and sandbur use needs label confirmation.

Listed on Amazon as: Liquid Harvest Mesotrione – 8oz – Mesotrione Concentrate (Compare to Tenacity) – Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses

#5 · Warm-Season Turf

5. Envu Celsius WG

• Form: Powder
• Weight: 18.14 g

Best for: Warm-season turf weed control.

Why it ranks #5: Its three active ingredients target more than 120 weeds in warm-season turf, including grasses, though the supplied details do not name sandbur.

Celsius WG combines three active ingredients in a postemergent foliar-applied powder for broad-spectrum weed control in warm-season turf. Its listing says it controls more than 120 annual and perennial broadleaf weeds and grasses, making it a candidate for turf managers treating mixed weed pressure rather than a single named species.

The easy-mix packet and powder form provide a measured, compact format for preparing a spray, while the included product label supports application reference. The formulation is identified as foliar-applied and postemergent, so its role is treating weeds after they appear. Its stated fit is warm-season turf, including St. Augustinegrass and Bermudagrass; the listing does not establish sandbur-specific control, so check the label for that target and turf compatibility.

Skip it if you maintain cool-season turf; Liquid Harvest Mesotrione lists Kentucky bluegrass and tall fescue among suitable grasses.

Turf managers treating broad weed pressure in listed warm-season grasses may appreciate this postemergent powder and its easy-mix packet. Confirm the label’s turf and weed directions before use, especially when sandbur control is the specific goal.

Listed on Amazon as: Prime Source Celsius WG – 0.226 oz Easy Mix Packet-Post Emerge Weed Control

#6

6. Target 6 Plus MSMA

• Form: Liquid

Best for: Professional MSMA applications.

Why it ranks #6: The post-emergent description lists crabgrass and several other grasses, but its stated settings are cotton, golf courses, sod farms, and highway rights of way.

Target 6 Plus contains 48.3% MSMA and lists use on golf courses, sod farms, cotton, and highway rights of way. Its post-emergent target list includes crabgrass, dallisgrass, johnsongrass, nutsedge, pigweed, and chickweed, making it a specialized option for users working within those labeled settings.

The liquid MSMA concentrate is listed for mixing at two ounces per gallon of water for general applications, with label directions governing rates for particular weeds. That makes label consultation central to planning a treatment, especially because the listing warns that MSMA can be dangerous if improperly used. Its stated settings include golf courses, sod farms, cotton, and highway rights of way; the supplied facts do not establish sandbur control or broad home-lawn suitability.

Skip it if you need a home-lawn product with a stated sandbur target; this listing does not identify sandburs or broad home-lawn use.

This concentrate is for buyers whose work matches its listed settings and who can follow the label’s weed-specific directions carefully. Its stated targets include crabgrass, but sandbur control is not established in the supplied information.

Listed on Amazon as: Target 6 Plus (MSMA 48.2%) Turf Herbicide – (2.5 Gallon jugs)

#7

7. Hi-Yield Grass Killer

• Form: Liquid
• Weight: 8 oz

Best for: Selective grass control near gardens.

Why it ranks #7: This selective post-emergent product targets grass growth and can be used around gardens and ornamentals; the details do not establish use on lawn sandburs.

Hi-Yield Grass Killer selectively targets grass growth and is listed for use around vegetables, gardens, trees, shrubs, and ornamentals. Its concentrate makes eight gallons of spray solution, giving gardeners a way to treat unwanted grasses around named plantings without choosing a non-selective vegetation killer.

The selective post-emergent action focuses on grass growth, making the listed garden and ornamental settings central to its fit. The product states that weed-grass growth stops two days after application, a specific point of reference for treatment expectations. Its eight-ounce liquid concentrate makes eight gallons of spray solution, while application varies by area and method; follow the label for directions and do not assume it controls sandbur based solely on its grass target.

Skip it if you need a product specifically listing sandburs or broadleaf weeds; BASF Drive XLR8 lists crabgrass and broadleaf weed control.

Gardeners targeting unwanted grasses around listed vegetables, shrubs, trees, or ornamentals may value its selective focus and stated spray yield. Check the label for the exact grass and planting directions, since sandbur is not specifically named.

Listed on Amazon as: Hi-Yield (31134) Grass Killer Postemergence Grass Herbicide, 8 oz

#8

8. The Andersons Surge Weed and Feed

• Form: Granule
• Weight: 40 lb

Best for: Established lawns needing feed.

Why it ranks #8: It controls more than 250 weeds, but the supplied examples are broadleaf weeds and its listing does not specify sandbur or grassy-weed control.

Surge combines post-emergent weed control with 16-0-9 fertilizer, letting established-lawn users address broadleaf weeds while feeding turf in one granular application. The four-way formula lists more than 250 common weeds and small particles for coverage, but it is explicitly not for several turf types, including Floratam St. Augustinegrass.

The granular weed-and-feed format links two lawn tasks: controlling actively growing broadleaf weeds and supplying fertilizer to help build a thicker, greener lawn. Small particles are described as providing more coverage per square inch, and the product is listed for performance through the growing season, including cooler spring and fall conditions. Application guidance calls for a damp lawn so granules stick to weed leaves; the product is not for Floratam St. Augustinegrass, dichondra, carpetgrass, or creeping bentgrass.

Skip it if you have Floratam St. Augustinegrass, dichondra, carpetgrass, or creeping bentgrass; choose a product labeled for your turf.

This granular weed-and-feed may suit owners of established lawns who want fertilizer and broadleaf control together. Apply to damp turf as directed, and avoid it on the specifically excluded grasses and other listed turf types.

Listed on Amazon as: The Andersons Professional Surge Weed and Feed 16-0-9 Post-Emergent Weed Control and Fertilizer – Covers up to 16,000 sq ft (40 lb)

#9

9. Monterey Remuda

• Form: Liquid
• Weight: 8 lb

Best for: Non-selective vegetation control.

Why it ranks #9: This 41% glyphosate product is non-selective and kills grasses as well as broadleaf weeds, making it a poor fit for treating sandburs in desirable lawn turf.

Remuda is a 41% glyphosate, non-selective post-emergent concentrate with surfactant, targeting annual and perennial grasses as well as many broadleaf weeds. That broad action fits vegetation management in actively growing, unplanted areas, but it is not a selective lawn treatment that spares desirable grass.

The non-selective formulation is the key planning consideration: it is listed to kill both grass and broadleaf weeds, including crabgrass, clover, creeping charlie, and poison ivy. Its post-emergent use is specified for active growth in unplanted areas, which suits clearing unwanted vegetation rather than treating weeds within desirable turf. The 41% glyphosate concentrate includes surfactant; take care to avoid contact with plants meant to remain, and follow label directions.

Skip it if you need to preserve lawn grass while treating weeds; Hi-Yield Grass Killer is selective for grass growth around listed garden plants.

Remuda fits vegetation management in unplanted areas where broad, non-selective post-emergent control is appropriate. It is not the choice for selectively removing sandburs from a lawn while preserving the surrounding desirable grass.

Listed on Amazon as: Monterey Remuda Grass and Weed Killer Bundled with Measuring Spoon – Broad Spectrum Non-Selective Post-Emergent Herbicide Concentrate for Vegetation Management and Ornamental Weed Control, 1 Gal