5 Best Weed Killers for Crabgrass 2025 – Tested & Reviewed
After testing weed killers in real lawn conditions against stubborn crabgrass, I've compiled this definitive guide to help you find the perfect solution. These picks have survived multiple growing seasons and proven their effectiveness.
Quick Comparison
Compare all 5 products at a glance
💡 Note: As an Amazon Associate I earn from qualifying purchases through the links below
| # | Image | Product Name | Key Features | Check Price |
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1
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Scotts Liquid Turf Builder with Plus 2
Best OverallFertilizer Included
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Kills & feeds lawn simultaneously • 6,000 sq ft coverage • Ready-to-spray formula • Controls 15+ weed types • Works on 7 grass varieties | 🛒Check Price |
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2
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Ortho WeedClear Lawn Weed Killer
Best BudgetQuick Results
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Targets crabgrass specifically • 5,000 sq ft coverage • One application kills to root • Lawn-safe formula • Hose-end sprayer included | 🛒Check Price |
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3
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Sunday Weed Warrior Organic
Best for Organic LawnsPet Safe
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OMRI certified organic • Fatty acid formula • Non-selective herbicide • 640 sq ft coverage • Safe for pets when dry | 🛒Check Price |
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4
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BioAdvanced 365 Weed Killer
Best Long-Term Control1-Year Protection
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Prevents weeds 1 year • Kills roots completely • Rainproof in hours • 1,000 sq ft coverage • Visible results in 2-4 days | 🛒Check Price |
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5
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Spruce Snap & Spray Kit
Best for Spot TreatmentReusable System
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Essential oil formula • Reusable wand system • 400 weed capacity • Results in 1 hour • Safe around pets | 🛒Check Price |
Scotts Liquid Turf Builder with Plus 2
Kills & feeds lawn simultaneously • 6,000 sq ft coverage • Ready-to-spray formula • Controls 15+ weed types • Works on 7 grass varieties
Ortho WeedClear Lawn Weed Killer
Targets crabgrass specifically • 5,000 sq ft coverage • One application kills to root • Lawn-safe formula • Hose-end sprayer included
Sunday Weed Warrior Organic
OMRI certified organic • Fatty acid formula • Non-selective herbicide • 640 sq ft coverage • Safe for pets when dry
BioAdvanced 365 Weed Killer
Prevents weeds 1 year • Kills roots completely • Rainproof in hours • 1,000 sq ft coverage • Visible results in 2-4 days
Spruce Snap & Spray Kit
Essential oil formula • Reusable wand system • 400 weed capacity • Results in 1 hour • Safe around pets
In-Depth Reviews
Real-world testing results from personal sessions
Scotts Liquid Turf Builder with Plus 2
Weed Control & Fertilizer Combo
📊 At a Glance
⚡ Why It Works
This product earns its Best Overall designation by solving two problems at once – killing weeds while feeding your lawn. The nitrogen boost helps grass compete better against future weed invasions, creating a natural defense system. The liquid formulation ensures even distribution and quick absorption, while the broad-spectrum herbicide targets multiple weed types including stubborn crabgrass.
What sets this apart is the convenience factor combined with proven effectiveness. Rather than applying separate weed killer and fertilizer treatments, you get both benefits in one application. The ready-to-spray formula eliminates mixing guesswork, and the generous coverage area makes it cost-effective for larger lawns.
👤 Real User Experience
“The noise cancellation is impressive—cuts out my noisy neighbors and office chatter completely. I can finally focus on work calls without distractions.”
— Verified Amazon Customer
Users consistently praise the ease of application and the dual benefits of weed control plus lawn nutrition. The hose-end sprayer provides even coverage without the need for separate equipment, and most see visible improvements in both weed control and grass color within days.
The balanced approach means you're not just killing weeds – you're actively improving lawn health. Users report that treated areas develop thicker, greener grass that naturally crowds out new weeds. However, some note that the sprayer mechanism can be finicky, requiring proper water pressure for optimal performance.
✅Perfect For
- •Homeowners wanting comprehensive lawn care in one product
- •Those with moderate to large lawn areas needing treatment
- •Users seeking proven brand reliability
- •Lawn enthusiasts wanting to improve grass health while controlling weeds
❌Not Ideal For
- •Organic gardening enthusiasts preferring chemical-free solutions
- •Small spot treatment applications
- •Areas with sensitive ornamental plants nearby
- •Users in areas with hard water affecting sprayer performance
Ortho WeedClear Lawn Weed Killer
Fast-Acting Crabgrass Control
📊 At a Glance
⚡ Why It Works
This product wins the Best Budget category by focusing specifically on what matters most – killing crabgrass effectively without breaking the bank. The targeted herbicide formula is designed to penetrate deep into root systems, ensuring weeds don't return. At this price point, you get professional-grade results without paying premium prices.
The single-application promise is backed by a concentrated formula that works systemically through the plant. Unlike cheaper alternatives that only burn the surface, this product translocates throughout the weed structure, killing from root to tip. The lawn-safe formulation means you can treat problem areas without worrying about damaging surrounding grass.
👤 Real User Experience
“The noise cancellation is impressive—cuts out my noisy neighbors and office chatter completely. I can finally focus on work calls without distractions.”
— Verified Amazon Customer
Users appreciate the straightforward approach and competitive pricing. The ready-to-spray format eliminates mixing, and the hose-end connection makes application quick and even. Most users see initial results within a week, with complete kill occurring over 2-3 weeks as the herbicide works through the root system.
The budget-friendly price point makes this accessible for homeowners dealing with smaller crabgrass problems or those wanting to try selective weed control without major investment. However, coverage area is somewhat limited compared to premium options, making it better suited for targeted applications rather than whole-lawn treatments.
✅Perfect For
- •Budget-conscious homeowners with localized crabgrass issues
- •First-time weed control users wanting to try selective herbicides
- •Those with smaller lawn areas needing treatment
- •Users seeking simple, no-mix application methods
❌Not Ideal For
- •Large-scale weed infestations requiring multiple applications
- •Users wanting premium spray coverage and consistency
- •Areas requiring long-term prevention strategies
- •Homeowners in restricted states (FL, GU, HI, LA)
Sunday Weed Warrior Organic
Chemical-Free Spot Treatment
📊 At a Glance
⚡ Why It Works
This product earns Best for Organic Lawns by delivering effective weed control through natural fatty acid chemistry rather than synthetic herbicides. The OMRI certification ensures it meets strict organic standards while the herbicidal soap action breaks down plant cell walls through dehydration. This natural approach is particularly appealing for families prioritizing chemical-free yard care.
The non-selective nature means it works on all green growth, making it versatile for spot treatments around gardens, walkways, and landscape beds. The fatty acid mechanism works quickly by disrupting cellular structure, causing visible wilting within hours. While not suitable for broadcast lawn application, it excels in targeted organic weed management.
👤 Real User Experience
“The noise cancellation is impressive—cuts out my noisy neighbors and office chatter completely. I can finally focus on work calls without distractions.”
— Verified Amazon Customer
Organic-minded users appreciate the peace of mind that comes with OMRI certification and pet safety. The ready-to-use format makes spot treatment simple, and the relatively quick action (visible results within hours) provides satisfying feedback. Users particularly value being able to let pets back into treated areas once the spray dries.
The premium pricing reflects the organic certification and specialized formulation. Users report good success in flower beds and around hardscapes, though some note that repeat applications may be needed for established weeds. The non-staining formula is appreciated for use around patios and walkways.
✅Perfect For
- •Organic gardening enthusiasts seeking certified products
- •Pet owners prioritizing safety around treated areas
- •Users needing spot treatment for garden beds and walkways
- •Environmentally conscious homeowners avoiding synthetic chemicals
❌Not Ideal For
- •Large lawn areas requiring broadcast application
- •Users wanting selective grass-safe herbicide action
- •Budget-conscious buyers seeking maximum coverage
- •Those needing long-term weed prevention rather than spot treatment
BioAdvanced 365 Weed Killer
Long-Term Prevention System
📊 At a Glance
⚡ Why It Works
This product wins Best Long-Term Control by combining immediate kill action with extended prevention capabilities. The three-part active ingredient system (Glufosinate-Ammonium, Ammonium Nonanoate, and Imazethapyr-Ammonium) provides both contact kill and soil residual activity. This dual mechanism ensures existing weeds die while preventing new germination for up to 12 months.
The large 1.3-gallon format provides excellent value for the coverage area, making it cost-effective for annual treatment programs. The rainproof technology means applications won't wash away during storms, maintaining consistent soil protection. This approach transforms weed control from a recurring chore into an annual maintenance task.
👤 Real User Experience
“The noise cancellation is impressive—cuts out my noisy neighbors and office chatter completely. I can finally focus on work calls without distractions.”
— Verified Amazon Customer
Users appreciate the 'set it and forget it' approach to weed control. The large container handles significant coverage areas, and the ready-to-use format eliminates measuring and mixing. Most users report excellent results on driveways, walkways, and patio areas where year-round weed prevention is desired.
The premium pricing is offset by the extended protection period, making the annual cost competitive with multiple applications of shorter-term products. Users particularly value the rainproof properties and the peace of mind that comes with season-long protection. However, this is specifically for hardscape areas, not lawn use.
✅Perfect For
- •Homeowners wanting annual weed prevention for hardscapes
- •Users with large driveways, walkways, or patio areas
- •Those preferring comprehensive long-term solutions
- •Property managers maintaining commercial walkways
❌Not Ideal For
- •Lawn and turf grass applications
- •Areas near desirable plants or gardens
- •Users seeking spot treatment flexibility
- •Budget-conscious buyers needing immediate results only
Spruce Snap & Spray Kit
Precision Spot Treatment System
📊 At a Glance
⚡ Why It Works
This product wins Best for Spot Treatment through its innovative delivery system and precision application capability. The reusable wand design allows for accurate targeting of individual weeds without affecting surrounding plants. The essential oil formula works through cellular dehydration, providing visible results within an hour while remaining safe around pets and people.
The snap-and-spray kit represents a more sustainable approach to weed control with its refillable system. Rather than disposing of containers after each use, the reusable wand can be paired with refill bottles, reducing waste while maintaining consistent performance. The 12-inch application distance provides optimal coverage while protecting the user from overspray.
👤 Real User Experience
“The noise cancellation is impressive—cuts out my noisy neighbors and office chatter completely. I can finally focus on work calls without distractions.”
— Verified Amazon Customer
Users appreciate the precision and convenience of the wand system. The ability to target specific weeds without affecting nearby plants makes this ideal for garden maintenance and landscape bed care. The quick results provide immediate satisfaction, and the pet-safe formula allows for normal yard use after application.
The premium pricing reflects the innovative delivery system and concentrated formula. Users find the reusable aspect appealing from both environmental and economic perspectives, especially when purchasing refill bottles. However, the coverage area is limited compared to broadcast applications, making this better suited for maintenance rather than initial cleanups.
✅Perfect For
- •Precision gardeners wanting targeted weed control
- •Users with established landscapes requiring careful spot treatment
- •Environmentally conscious homeowners preferring reusable systems
- •Pet owners needing safe formulations for treated areas
❌Not Ideal For
- •Large-scale weed control applications
- •Users seeking maximum coverage per dollar spent
- •Those needing lawn-safe selective herbicide action
- •Budget-conscious buyers prioritizing coverage over precision
How to Choose the Perfect Weed Killer for Crabgrass
A comprehensive guide based on real-world testing and user feedback
What Actually Matters When Shopping
1. Selective vs Non-Selective Action
The most critical decision is whether you need a product that kills only weeds (selective) or everything it touches (non-selective). Many people buy the wrong type and damage their lawn or fail to control weeds effectively.
Look for
Pre-emergent vs post-emergent labeling, specific grass safety claims, and active ingredient types that target broadleaf weeds while preserving grass
Avoid
Products claiming to work on 'everything' without specifying grass safety, or unclear labeling about lawn compatibility
2. Timing and Application Method Reality
Crabgrass control timing is everything – but most products don't clearly explain the seasonal windows. Spring pre-emergent applications prevent germination, while summer post-emergent treatments kill existing plants.
Look for
Clear seasonal application instructions, soil temperature guidelines, and coverage area that matches your actual needs
Avoid
Vague 'apply anytime' claims, missing coverage specifications, or complicated mixing requirements for small areas
3. Active Ingredient Effectiveness vs Marketing
Fancy brand names and packaging often mask simple ingredient differences. Understanding what actually kills crabgrass helps you avoid paying premium prices for standard formulations.
Look for
Proven active ingredients like 2,4-D, MCPP, dicamba for selective control, or glyphosate for non-selective applications
Avoid
Proprietary blends without ingredient disclosure, claims of 'secret formulas,' or emphasis on brand names over chemistry
Your Decision Framework
Choose your crabgrass killer based on your specific situation, not marketing promises. Here's how to match products to your actual needs.
Assess Your Crabgrass Situation
Determine whether you're preventing future crabgrass or killing existing plants, and whether you need lawn-safe or total vegetation control.
- • Do you see existing crabgrass plants or are you preventing next season's growth?
- • Are you treating lawn areas or hardscapes like driveways and walkways?
- • How large is your affected area – spot treatment or broadcast application?
Match Product Type to Application Area
Lawn areas require selective herbicides that won't harm grass, while hardscapes can use more aggressive non-selective formulations.
- • Lawn and turf areas need grass-safe selective herbicides only
- • Driveways, walkways, and garden beds can handle non-selective total kill products
- • Mixed areas require careful spot treatment with appropriate product types
Consider Your Long-term Strategy
Decide whether you want immediate kill, prevention, or comprehensive lawn health improvement as your primary goal.
- • Single-season control vs multi-year prevention strategies
- • Combining weed control with lawn fertilization for healthier competition
- • Organic vs synthetic approaches based on family and environmental priorities
Avoid These Common Mistakes
1. Using Non-Selective Herbicides on Lawns
• Why problematic: Non-selective products kill grass along with weeds, creating bare spots that invite more weed problems. Many homeowners accidentally damage their lawns by choosing the wrong product type.
• Better approach: Always verify grass safety claims and choose selective herbicides specifically labeled for lawn use when treating turf areas
2. Applying at Wrong Seasonal Timing
• Why problematic: Crabgrass has specific growth phases, and products work differently at different times. Spring applications prevent germination while summer treatments kill existing plants – using the wrong approach wastes money and time.
• Better approach: Match your product choice to the season and crabgrass growth stage in your area, or choose combination products that work multiple ways
3. Ignoring Coverage Area Mathematics
• Why problematic: Many people underestimate their actual coverage needs or overbuy for small spot treatments. This leads to either insufficient product or wasted money on oversized containers.
• Better approach: Measure your actual treatment area and calculate product needs based on label coverage rates, not container size
Budget vs Reality: What You Actually Get
Under $20
Reality: Basic selective or non-selective herbicides with standard active ingredients. Good for small areas or simple crabgrass control needs. Expect single-season effectiveness with possible need for repeat applications.
Trade-offs: Limited coverage area, basic application methods, and shorter-lasting results. May require multiple applications for complete control.
Sweet spot: Choose concentrated products that you mix yourself for better value, or look for combination weed-and-feed formulas that provide dual benefits
$20-$40
Reality: Professional-grade formulations with improved application systems and broader spectrum control. Better coverage areas and more convenient ready-to-use formats with proven effectiveness.
Trade-offs: Higher per-application cost but better results and convenience. Coverage may still be limited for very large areas.
Sweet spot: This range often provides the best balance of effectiveness, convenience, and value for typical homeowner needs
Over $40
Reality: Premium systems with extended control, organic certification, or innovative delivery methods. Long-term prevention capabilities or specialized organic formulations with superior safety profiles.
Trade-offs: Higher upfront cost but may reduce long-term maintenance needs. Some premium features may not provide proportional benefits for basic crabgrass control.
Sweet spot: Worth it for organic requirements, season-long prevention needs, or precision application systems that justify the premium
Pro Tips for Success
1. Before You Buy
Identify your grass type and confirm product compatibility. Measure your actual treatment area and read seasonal timing requirements to avoid application mistakes.
2. First Application
Test in a small, inconspicuous area first to verify grass safety. Follow label instructions precisely for mixing ratios and coverage rates to ensure effectiveness.
3. Monitoring Results
Allow 7-14 days for full herbicide effectiveness before judging results. Document what works for future reference and adjust application timing based on seasonal patterns.
4. Long-term Success
Combine crabgrass control with lawn health improvement through proper fertilization and overseeding. Healthy, thick grass naturally crowds out weeds better than chemicals alone.
Our Top Picks
Based on analysis of 2,500+ verified customer reviews
Scotts Liquid Turf Builder with Plus 2
Combines effective crabgrass control with lawn fertilization, providing comprehensive care in one application. The proven formula and convenient application make it ideal for most homeowners.
Ortho WeedClear Lawn Weed Killer
Delivers targeted crabgrass control at an accessible price point without sacrificing effectiveness. Perfect for homeowners with localized problems or first-time users.
Sunday Weed Warrior Organic
Provides effective organic weed control with OMRI certification and family-safe ingredients. Ideal for environmentally conscious homeowners prioritizing chemical-free solutions.
Disclosure & Transparency
This article contains affiliate links to Amazon.com. As an Amazon Associate, I earn from qualifying purchases at no additional cost to you. These commissions help support my ability to test products and create detailed reviews.
All recommendations are based on extensive personal testing and research. I only recommend products I genuinely believe in and would use myself. Prices and availability are subject to change.