Best Crab Grass Killers In September 2026

Facebook

Twitter

Tumblr

Pinterest

Reddit

WhatsApp

Telegram

To help you choose the Best Crab Grass Killers, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best Crab Grass Killers.

Top Rated Best Crab Grass Killers Of 2026

Rank	Product Name	Score
1	BioAdvanced 704140 All-In-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40-Ounce Buy Now	9.7 Buy Now
2	Ortho WeedClear Lawn Weed Killer Ready to Spray - Weed Killer for Lawns Buy Now	9.5 Buy Now
3	Compare-N-Save 016869 Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-Gallon , White Buy Now	9.1 Buy Now
4	Scotts Turf Builder Triple Action - Weed Killer & Preventer, Lawn Fertilizer, Prevents Buy Now	8.8 Buy Now
5	Roundup 4375010 Safe Weed Killer For Northern Lawns | Kills Crabgrass, Dandelion Lawns1 Buy Now	8.6 Buy Now
6	BioAdvanced 100532514 Weed & Feed Crabgrass Killer Science-Based Solutions Lawn Fertilizer, 24-Pounds, White Buy Now	8.3 Buy Now
7	Spectracide Weed Stop For Lawns Plus Crabgrass Preventer Granules, 10.8-Pound, 2-Pack Buy Now	8.1 Buy Now
8	Roundup for Lawns Crabgrass Destroyer1 - Tough Weed Killer, Kills Crabgrass, Apply This Buy Now	7.8 Buy Now
9	Spectracide Weed & Grass Foaming Edger, Aerosol, 17-Ounce, 12-Pack Buy Now	7.5 Buy Now
10	Ortho GroundClear Vegetation Killer Concentrate2, 1 gal Buy Now	7.2 Buy Now

1. BioAdvanced 704140 All-In-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40-Ounce

• Use in tank sprayers, dial-n-spray and hose-end sprayers
• This product won't harm you lawn when used as directed
• Kills over 200 of the most common broad leaf weeds like dandelions and clovers
• The fastest, easiest way to treat the entire lawn
• Rainproof in 1 hour

2. Ortho WeedClear Lawn Weed Killer Ready to Spray - Weed Killer for Lawns

• Not available in fl, gu, hi, la
• Kills weeds to the roots but won't harm the lawn (when used as directed)
• Kill weeds in your lawn, including dandelion, chickweed, clover, crabgrass, and foxtail with the ortho weedclear lawn weed killer
• Fast-acting, with results in one application
• For use on grasses, including bermudagrass, buffalograss, fescues, kentucky bluegrass, ryegrass, and zoysiagrass
• Apply easily by connecting a garden hose to the attached sprayer--treats up to 5, 000 sq. ft.

3. Compare-N-Save 016869 Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-Gallon , White

• Visible results in as little as 2 to 4 days
• Makes up to 85 gal. of ready-to-use spray. note: packaging may vary
• Rainproof in 2 hours
• Covers over 25,000 square feet
• Contains 41-percent glyphosate

4. Scotts Turf Builder Triple Action - Weed Killer & Preventer, Lawn Fertilizer, Prevents

• Triple action kills, prevents and feeds
• For use on bermudagrass, bahiagrass, centipedegrass, kentucky bluegrass, perennial ryegrass, tall fescue and fine fescue, and zoyiagrass
• Prevents crabgrass for 4 months and feeds to build thick green lawns
• Kills the weeds you see and the ones you don't, including dandelions, chickweed, clover and most other common broadleaf weeds as listed
• Also prevents barnyardgrass, fall panicum, foxtail, annual bluegrass, broadleaf weeds, corn speedwell, prostrate spurge, knotweed, purslane, chickweed, henbit and oxalis

5. Roundup 4375010 Safe Weed Killer For Northern Lawns | Kills Crabgrass, Dandelion Lawns1

• Starts working immediately and rainproof in as little as 3 hours
• For hard-to-kill summer crabgrass and grassy weeds, use roundup for lawns crabgrass destroyer
• Kills over 250 weeds, including crabgrass, dandelion, clover, and yellow nutsedge--won't harm your lawn
• Lawn weed killer for use on northern grasses, including kentucky bluegrass, perennial ryegrass, fescue, bermudagrass, buffalograss, and zoysiagrass
• Convenient, ready-to-use refill is easy to pour right into your roundup for lawns extended wand bottle--no mixing required

6. BioAdvanced 100532514 Weed & Feed Crabgrass Killer Science-Based Solutions Lawn Fertilizer,

• 25% slow-release formula
• Kills listed broad leaf lawn weeds including dandelion, clover, chickweed and more
• 24 lb granules treat up to 10, 000 sq ft
• Kills crabgrass plus other grassy weeds - even if you've missed a crabgrass preventer application
• Micro-feed action improves nutrient uptake during and between feedings
• Feeds, greens and strengthens your lawn

7. Spectracide Weed Stop For Lawns Plus Crabgrass Preventer Granules, 10.8-Pound, 2-Pack

• Wont harm lawns: wont harm lawns when used as directed kills more than 200 types of weeds as listed.
• Coverage: this 10.8 pound bag covers up to 3,000 square feet of lawn.
• Apply spring through fall: apply when weeds are actively growing.
• Up to 5 months control: apply with a spreader at the rates directed on the product label.
• Pre-emergent crabgrass killer: prevents crabgrass and other undesirable annual grasses.

8. Roundup for Lawns Crabgrass Destroyer1 - Tough Weed Killer, Kills Crabgrass, Apply This

• Weeds will turn white 4-7 days after application. white means it's working!
• Roundup for lawns crabgrass destroyer1 is tough on weeds but won't harm your lawn (when used as directed)
• Apply any time before seeding, including day of seeding
• Designed for use on northern lawns: kentucky bluegrass, fine fescue, perennial ryegrass and tall fescue
• Kills the toughest crabgrass and grassy weeds without harming lawns (when used as directed)

9. Spectracide Weed & Grass Foaming Edger, Aerosol, 17-Ounce, 12-Pack

• Rainproof: rainfall or watering 15 minutes after application will not wash away effectiveness.
• 100% root kill: complete kill, including the roots, occurs in one to two weeks.
• Coverage: up to 200 linear feet.
• Visible results: sprayed plants begin yellowing and wilting as fast as 3 hours.
• Kills weeds and grasses: foaming spray can be used for edging around lawns, in driveways, walkways, curbs, along fences and foundations, near trees and shrubs, in flower beds, mulch beds and other similar areas of the yard.

10. Ortho GroundClear Vegetation Killer Concentrate2, 1 gal

• Apply to driveways, sidewalks, fence lines, patios and gravel areas
• Visible results in 6 hours
• Kills and prevents weeds for up to 1 year
• Treats 5x more area (when compared to previous formula)
• Kills weeds and grasses to the root