20 Best Pre Emergent Herbicide For Crabgrass

Crabgrass is one of the most persistent and frustrating weeds that invade lawns, gardens, and landscapes across many regions. This fast-growing annual grass germinates in the spring and thrives in warm weather, quickly spreading and crowding out healthy turf. Pre Emergent Herbicide For Crabgrass

Homeowners and landscapers often struggle to control it because crabgrass seeds can remain dormant in the soil for years, waiting for the right conditions to sprout.The most effective way to stop crabgrass before it takes over is by using pre-emergent herbicides.

Pre Emergent Herbicide For Crabgrass  prevent the weed seeds from germinating, forming a protective barrier in the soil. When applied correctly at the right time, pre-emergent herbicides can drastically reduce crabgrass growth and give your lawn the competitive edge it needs.

This article highlights the 20 best pre-emergent herbicides for crabgrass. Each product is explained in detail with benefits, limitations, and features to help you make an informed choice and aslo  to guide you toward maintaining a lush, weed-free lawn.

20 Best Pre-Emergent Herbicides for Crabgrass

1. Prodiamine 65 WDG – Best Overall Pre-Emergent for Crabgrass

Prodiamine 65 WDG is one of the most trusted pre-emergent herbicides used by professionals and homeowners alike. It works by creating a barrier that prevents crabgrass seeds from sprouting, providing season-long control when applied in early spring. Its water-dispersible granules make it easy to apply with precise measurement.

This herbicide is suitable for lawns, ornamental gardens, and even commercial landscapes. It is compatible with warm-season and cool-season turf, making it versatile for many regions. A single application can last for months, offering reliable protection.

Users often prefer Prodiamine because it is cost-effective and delivers consistent results. For those battling heavy crabgrass infestations year after year, this herbicide provides both prevention and peace of mind.

Pros:

  • Long-lasting control

  • Easy application

  • Professional grade

  • Works on many turf types

  • Cost-effective

  • Reliable results

  • Prevents re-infestation

Cons:

  • Not post-emergent

  • Requires precise timing

  • Needs careful mixing


2. Dimension 2EW – Best Dual Action for Crabgrass and Other Weeds

Dimension 2EW is a highly effective pre-emergent that also provides early post-emergent control of crabgrass. Unlike most pre-emergents, it can target young seedlings, making it an excellent choice for lawns that missed early application. Its liquid formula ensures even coverage and fast soil absorption.

It controls a wide range of grassy and broadleaf weeds, making it ideal for lawn care professionals. Dimension 2EW is safe for many turfgrasses, including fescue, Kentucky bluegrass, and Bermuda grass. Its dual functionality sets it apart from standard pre-emergents.

Homeowners appreciate its flexibility because it reduces the risk of missing the application window. Dimension 2EW allows for more forgiving timing while still preventing crabgrass dominance.

Pros:

  • Dual action formula

  • Wide weed spectrum

  • Flexible timing

  • Easy to apply

  • Safe on turf

  • Professional strength

  • Early post-emergent activity

Cons:

  • More expensive

  • Requires careful handling

  • Limited for ornamentals


3. Scotts Halts Crabgrass & Grassy Weed Preventer

Scotts Halts is a widely available pre-emergent designed for homeowners who want an easy-to-use solution. It prevents crabgrass and many grassy weeds when applied in spring and can even work in the fall to stop winter weeds. This product is formulated for convenient spreader use.

It’s particularly appealing because of its weather resistance. Once watered in, it continues to work even after rain or snow. This reliability makes it a top choice for casual lawn care enthusiasts.

Scotts Halts also requires only one application per season for effective control. It is budget-friendly and can be found at most garden centers or home improvement stores.

Pros:

  • Easy application

  • Widely available

  • Affordable price

  • Rainproof

  • Works in spring/fall

  • One-time application

  • Trusted brand

Cons:

  • Limited weed control

  • Not professional grade

  • Not suitable for new grass


4. Barricade Granular (Prodiamine)

Barricade is another top-rated pre-emergent herbicide that uses Prodiamine as its active ingredient. Its granular formulation makes it simple for homeowners to apply using a broadcast spreader. Barricade provides up to six months of crabgrass prevention.

This herbicide also controls several broadleaf weeds and other annual grasses. It is widely used on residential lawns, golf courses, and commercial landscapes. The long residual activity ensures extended protection.

Users like Barricade because it is reliable and versatile. With proper application timing, it delivers season-long results against crabgrass infestations.

Pros:

  • Long-lasting barrier

  • Granular formulation

  • Wide weed spectrum

  • Easy to apply

  • Reliable control

  • Cost-effective

  • Suitable for lawns

Cons:

  • Not post-emergent

  • Timing critical

  • May limit reseeding


5. Snapshot 2.5 TG – Best for Ornamental Beds

Snapshot 2.5 TG is ideal for controlling crabgrass and other weeds in ornamental beds, nurseries, and landscapes. It contains isoxaben and trifluralin, offering broad-spectrum pre-emergent protection. This makes it perfect for gardeners wanting weed-free flower and shrub areas.

It is safe around over 600 ornamentals, giving landscapers flexibility in use. Snapshot provides season-long control with just one or two applications per year. Its granular form makes it simple to apply with spreaders.

Gardeners value Snapshot for its effectiveness in decorative spaces where turf products cannot be used. It reduces labor and keeps landscapes looking polished.

Pros:

  • Safe for ornamentals

  • Long-lasting results

  • Broad weed control

  • Easy application

  • Trusted professional use

  • Reduces labor

  • Wide compatibility

Cons:

  • Not for turf

  • Higher cost

  • Limited retail availability


6. Pendulum AquaCap – Encapsulated Pre-Emergent

Pendulum AquaCap is a unique herbicide featuring microencapsulation technology that reduces odor and staining. Its active ingredient, pendimethalin, prevents crabgrass germination and controls many other grassy weeds. The liquid formulation allows precise coverage.

It is highly effective in turf, landscapes, and even agricultural settings. AquaCap technology ensures reduced environmental impact while maintaining strong control. It is a go-to product for professionals who want reliability and safety.

Pendulum AquaCap stands out because of its improved handling and reduced staining compared to older pendimethalin products.

Pros:

  • Encapsulated safety

  • Broad weed control

  • Reduced staining

  • Long-lasting barrier

  • Turf-safe

  • Flexible application

  • Professional strength

Cons:

  • Higher price

  • Requires sprayer

  • Not post-emergent


7. Tenacity Herbicide (Mesotrione)

Tenacity is a selective herbicide that works as both a pre-emergent and post-emergent for crabgrass. It is unique in being safe for use at seeding, allowing users to control weeds while establishing new turf. Its active ingredient mesotrione provides systemic action.

This product targets crabgrass before it sprouts and eliminates young seedlings. It also whitens susceptible weeds, making control visible. Tenacity is highly versatile for residential and commercial turf management.

Many homeowners and professionals use Tenacity as part of integrated weed management due to its dual action and reseeding safety.

Pros:

  • Pre & post-emergent

  • Safe at seeding

  • Visible results

  • Selective action

  • Controls many weeds

  • Trusted brand

  • Professional grade

Cons:

  • Expensive option

  • Whitening effect

  • Requires precise mixing


8. Surflan AS (Oryzalin)

Surflan AS is a liquid pre-emergent herbicide that controls crabgrass and many annual grasses. Its active ingredient, oryzalin, is highly effective when applied before weed seeds germinate. It works well in both turf and ornamental settings.

This herbicide forms a barrier that prevents root development of weeds. Surflan AS is widely used in landscapes, orchards, and non-crop areas. Its bright orange color helps ensure accurate application.

Gardeners and landscapers appreciate its effectiveness in ornamental beds and long-lasting control.

Pros:

  • Long residual effect

  • Turf & ornamental use

  • Wide weed control

  • Visible application

  • Flexible use

  • Professional strength

  • Reliable prevention

Cons:

  • Can stain surfaces

  • Needs careful timing

  • Not post-emergent


9. Preen Extended Control Weed Preventer

Preen Extended Control is designed for homeowners seeking convenience. It prevents crabgrass and dozens of other weeds for up to six months. Its easy-to-use shaker cap makes application simple for gardens and landscapes.

It is safe around many ornamentals, vegetables, and shrubs once they are established. Preen is a household name in weed prevention, offering user-friendly solutions for casual gardeners. The extended formula reduces the need for frequent reapplication.

Homeowners love Preen because it is accessible, reliable, and safe for non-turf areas.

Pros:

  • Easy to apply

  • Long-lasting

  • Safe for ornamentals

  • Affordable option

  • Household brand

  • Reduces reapplication

  • Widely available

Cons:

  • Not for turf

  • Limited spectrum

  • Not professional grade


10. Quali-Pro Prodiamine 4L

Quali-Pro Prodiamine 4L is a liquid version of the popular Prodiamine herbicide. It provides season-long crabgrass control when applied early in spring. The liquid formulation allows even distribution and accuracy.

It is effective in lawns, landscapes, and even golf courses. This product offers professional-grade results at a lower cost compared to some branded versions. Its long residual effect ensures consistent crabgrass prevention.

Users like Quali-Pro 4L because it is versatile, affordable, and powerful.

Pros:

  • Liquid formulation

  • Long-lasting barrier

  • Affordable price

  • Professional quality

  • Versatile use

  • Reliable prevention

  • Easy to measure

Cons:

  • Timing critical

  • Not post-emergent

  • Needs sprayer


11. Gallery Specialty Herbicide (Isoxaben)

Gallery is a pre-emergent herbicide that specializes in controlling broadleaf weeds, including some that accompany crabgrass. While it is not primarily for grassy weeds, when combined with other products, it forms part of an integrated strategy.

It works well in turf and ornamental settings. Gallery is especially valuable for preventing weeds in landscapes with sensitive plants. Its active ingredient, isoxaben, ensures long-term prevention.

Many landscapers combine Gallery with grass-focused pre-emergents for comprehensive coverage.

Pros:

  • Broadleaf prevention

  • Long-lasting barrier

  • Ornamental safe

  • Flexible use

  • Professional strength

  • Great in combinations

  • Reliable results

Cons:

  • Not grass-specific

  • Higher price

  • Requires tank mix


12. Dimension 0.10% Plus Fertilizer

This combination product offers both crabgrass prevention and lawn feeding. It includes Dimension herbicide along with balanced fertilizer. Homeowners get weed control and turf nutrition in one application.

It simplifies lawn care by combining two essential steps. Dimension ensures crabgrass and weed control, while the fertilizer promotes lush, green growth. It’s ideal for busy homeowners.

This dual-purpose product reduces labor and saves time, making it a practical choice for regular lawn care.

Pros:

  • Dual action product

  • Saves time

  • Fertilizer included

  • Prevents crabgrass

  • Easy application

  • Lawn-friendly

  • Convenient option

Cons:

  • More costly

  • Limited flexibility

  • Not organic


13. Team Pro Herbicide (Benefin + Trifluralin)

Team Pro combines benefin and trifluralin to provide effective crabgrass prevention. It works by stopping weed seeds from germinating before they sprout. This dual-active formula enhances effectiveness.

It is widely used on golf courses, commercial turf, and lawns. Team Pro provides a long-lasting barrier for multiple weed species. Its granular form ensures even coverage with spreaders.

Landscapers value Team Pro for its reliability and consistent weed prevention.

Pros:

  • Dual active ingredients

  • Long-lasting control

  • Trusted by professionals

  • Granular formulation

  • Effective barrier

  • Broad weed coverage

  • Easy application

Cons:

  • Limited retail access

  • Timing important

  • Not post-emergent


14. EndRun + Dimension Combo

EndRun combined with Dimension offers broad-spectrum weed prevention and control. Dimension handles crabgrass pre-emergence, while EndRun targets broadleaf weeds post-emergence. This combination is ideal for comprehensive lawn care.

It works on both cool-season and warm-season grasses. Landscapers use this combo to ensure crabgrass and dandelions are controlled simultaneously. The mix saves time and enhances effectiveness.

This combination is excellent for those who want both pre-emergent and selective post-emergent action in one program.

Pros:

  • Broad coverage

  • Pre & post action

  • Professional quality

  • Versatile use

  • Targets crabgrass

  • Dandelion control

  • Reliable results

Cons:

  • Requires mixing

  • More expensive

  • Restricted labels


15. Ronstar G (Oxadiazon)

Ronstar G is a granular pre-emergent herbicide widely used on turf and ornamentals. Its active ingredient oxadiazon prevents crabgrass and other grassy weeds. It is safe on many warm-season turf types.

Unlike some herbicides, Ronstar G can be applied to new sod without damaging roots. This makes it popular in newly established landscapes. It is also effective in ornamental beds.

Professionals trust Ronstar for its safety and consistency.

Pros:

  • Safe on sod

  • Ornamental use

  • Long-lasting control

  • Warm-season friendly

  • Granular formulation

  • Easy to apply

  • Reliable prevention

Cons:

  • Not post-emergent

  • Limited retail access

  • Higher cost


16. FreeHand 1.75G (Pendimethalin + Dimethenamid-P)

FreeHand 1.75G combines pendimethalin and dimethenamid-P for powerful pre-emergent control. It prevents crabgrass and dozens of other weeds in turf and ornamentals. The dual-active ingredients provide enhanced reliability.

It is safe for many landscape plants, making it versatile for residential and commercial use. FreeHand is especially popular for high-end landscapes where weed-free aesthetics are critical. Its granular form ensures uniform distribution.

Professionals recommend FreeHand for tough crabgrass prevention needs.

Pros:

  • Dual active formula

  • Ornamental safe

  • Wide coverage

  • Long-lasting

  • Reliable control

  • Granular application

  • Trusted product

Cons:

  • More costly

  • Not post-emergent

  • Needs spreader


17. Dimension 0.25% Plus Fertilizer

This is another combination product of Dimension herbicide with fertilizer. It delivers both crabgrass prevention and nutrient boost for lawns. It is especially convenient for spring lawn care.

The pre-emergent herbicide ensures weeds are suppressed, while the fertilizer promotes thicker turf. Thicker turf helps naturally crowd out weeds. This dual benefit saves homeowners time and effort.

It is one of the most popular lawn care products for DIY users.

Pros:

  • Weed + feed

  • Easy to apply

  • Prevents crabgrass

  • Fertilizes turf

  • Saves labor

  • Widely available

  • Trusted product

Cons:

  • Higher price

  • Limited flexibility

  • Not organic


18. Dimension 0.10% Plus Fertilizer (Fall Formula)

This version of Dimension with fertilizer is designed for fall application. It targets winter annual weeds while feeding the lawn before dormancy. It prevents crabgrass seeds from overwintering.

The fertilizer helps strengthen turf for the winter, ensuring greener lawns in spring. This dual-purpose application is excellent for year-round lawn health. Homeowners can reduce applications by using this seasonal formula.

It is a time-saving option for fall lawn care programs.

Pros:

  • Fall protection

  • Strengthens turf

  • Weed + feed

  • Convenient option

  • Prevents crabgrass

  • Trusted brand

  • Saves time

Cons:

  • Seasonal use

  • Limited scope

  • More costly


19. Oxadiazon 2G (Ronstar Alternative)

Oxadiazon 2G is a granular pre-emergent herbicide that controls crabgrass effectively. It is a generic alternative to Ronstar, offering affordability while delivering similar results. Its active ingredient prevents weed germination without harming established turf.

This product is widely used in landscapes and turf management. It is especially useful for warm-season grasses. Oxadiazon 2G offers professionals an economical yet reliable solution.

Homeowners can also benefit from its strong prevention when available in retail form.

Pros:

  • Affordable option

  • Reliable prevention

  • Warm-season friendly

  • Granular form

  • Professional quality

  • Turf-safe

  • Effective control

Cons:

  • Not post-emergent

  • Limited retail access

  • Requires spreader


20. Dimension 2EW Specialty Pack

The Dimension 2EW Specialty Pack is designed for professionals managing multiple lawns or landscapes. It provides both pre-emergent and early post-emergent crabgrass control. Its liquid formulation ensures precise coverage and flexibility.

This pack is popular among commercial applicators for its convenience and consistent results. Dimension is trusted nationwide for crabgrass prevention. The specialty pack is an excellent investment for long-term use.

It ensures crabgrass does not gain a foothold while also tackling early seedlings.

Pros:

  • Dual action

  • Professional pack

  • Reliable prevention

  • Easy to apply

  • Long-lasting

  • Turf-safe

  • Versatile use

Cons:

  • More costly

  • Requires sprayer

  • Restricted labels


Pre-Emergent Herbicides for Crabgrass (FAQs)

1. When is the best time to apply pre-emergent herbicides for crabgrass?
The best time is in early spring when soil temperatures reach 55°F consistently. Applying too early or too late can reduce effectiveness. Timing is critical for maximum results.

2. Can I apply pre-emergent herbicides and fertilizer at the same time?
Yes, many products combine both, known as weed-and-feed. These save time and provide dual benefits. However, standalone products allow for more precise control.

3. Will pre-emergent herbicides kill existing crabgrass?
No, pre-emergents only prevent germination. For existing crabgrass, a post-emergent herbicide is required. Some products like Dimension offer early post-emergent activity.

4. Are pre-emergent herbicides safe for new grass seed?
Most are not safe on newly seeded lawns because they prevent germination. However, products like Tenacity are exceptions and safe during seeding.

5. How long do pre-emergent herbicides last?
Most last between 2 to 6 months, depending on the product and weather conditions. Long-lasting options like Prodiamine can provide season-long control.

6. Can I use pre-emergent herbicides in flower beds?
Yes, products like Snapshot and Preen are designed for ornamental use. Always check the label to ensure safety around specific plants.

7. Do pre-emergents harm the soil or environment?
When applied correctly, they are safe and effective. Overuse or misuse can cause runoff and impact the environment. Always follow label directions.


Conclusion

Crabgrass is one of the most persistent lawn invaders, but with the right pre-emergent herbicide, you can stop it before it even starts. From professional-strength solutions like Prodiamine and Dimension to convenient homeowner options like Scotts Halts and Preen, there are products for every need and budget.

Each herbicide has unique strengths, whether long-lasting, dual-purpose, or ornamental-safe.Choosing the right pre-emergent depends on your lawn type, location, and maintenance goals. Pre Emergent Herbicide For Crabgrass

Proper timing and application are just as important as product selection. A well-planned strategy ensures crabgrass has no chance to dominate your landscape.

Remember, prevention is always more effective and less stressful than battling weeds after they’ve taken hold. With these 20 best pre-emergent herbicides for crabgrass, you have all the tools to keep your lawn lush, healthy, and weed-free

Agronomist

I'm a passionate Weed Control Specialist. Got a weed problem? Let’s fix it!

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