Best Lawn Weed Killer Reviews – Top 7 Picks and Reviews 2020

We went over all of the review sites and found the best of the best using advanced technology.

Here’s a look at the best Lawn Weed Killer Reviews

SaleBestseller No. 1
Compare-N-Save 016869 Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-Gallon , White
3,045 Reviews
Compare-N-Save 016869 Concentrate Grass and Weed Killer, 41-Percent Glyphosate, 1-Gallon , White
  • Rainproof in 2 hours
  • Visible results in as little as 2 to 4 days
  • Contains 41-percent glyphosate
  • Covers over 25,000 square feet
  • Makes up to 85 gal. of ready-to-use spray. Note: Packaging may vary
Bestseller No. 2
Scotts Turf Builder Triple Action - Weed Killer & Preventer, Lawn Fertilizer, Prevents Crabgrass,...
  • Triple Action kills, prevents and feeds
  • Kills the weeds you see and the ones you don't, including dandelions, chickweed, clover and most other common broadleaf weeds as listed
  • Prevents crabgrass for 4 months and feeds to build thick green lawns
  • Also prevents barnyardgrass, fall panicum, foxtail, annual bluegrass, broadleaf weeds, corn speedwell, prostrate spurge, knotweed, purslane, chickweed, henbit and oxalis
  • For use on Bermudagrass, Bahiagrass, Centipedegrass, Kentucky Bluegrass, Perennial Ryegrass, Tall Fescue and Fine Fescue, and Zoyiagrass
Bestseller No. 3
PBI/Gordon 652400 Speed Zone Lawn Weed Killer, 20-Ounce - Brown/A
324 Reviews
PBI/Gordon 652400 Speed Zone Lawn Weed Killer, 20-Ounce - Brown/A
  • Visible results in hours - Reseed in just two weeks
  • Covers from 14,000 to 18,000 square feet - perfect for large property owners
  • Rapid and effective weed control for common and troublesome weed species in turfgrass
  • Does not harm lawn grasses - Cool Weather Performance
  • RESTRICTED: This product can NOT be shipped to the following states: AK, DC, MA, NJ,VT.
Bestseller No. 4
Ortho Weed B Gon Weed Killer for Lawns Concentrate2, 1 gal.
470 Reviews
Ortho Weed B Gon Weed Killer for Lawns Concentrate2, 1 gal.
  • Kills dandelions, clover and other broadleaf weeds
  • Won’t harm the lawn - (when used as directed)
  • Kills weeds to the root
  • Kills 250+ listed weeds (See label for listed weeds)
  • Results in hours
Bestseller No. 5
BioAdvanced 704140 All-In-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40-Ounce
647 Reviews
BioAdvanced 704140 All-In-One Lawn Weed and Crabgrass Killer Garden Herbicide, 40-Ounce
  • Kills over 200 of the most Common broad leaf weeds like dandelions and Clovers
  • This product won't harm you lawn when used as directed
  • Rainproof in 1 hour
  • Use in tank Sprayers, dial-n-spray and hose-end Sprayers
  • The fastest, easiest way to treat the entire lawn
SaleBestseller No. 6
Roundup For Lawns1 Ready to Use - All-in-One Weed Killer for Lawns, Kills Weeds - Not the Lawn, One...
327 Reviews
Roundup For Lawns1 Ready to Use - All-in-One Weed Killer for Lawns, Kills Weeds - Not the Lawn, One...
  • Weed killer with an extended wand to make it easy to spot-treat lawn weeds
  • 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
  • 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
SaleBestseller No. 7
Green Gobbler Vinegar Weed & Grass Killer | Natural and Organic Weed & Grass Killer |1 Gallon
1,049 Reviews
Green Gobbler Vinegar Weed & Grass Killer | Natural and Organic Weed & Grass Killer |1 Gallon
  • KILLS WEEDS & GRASS FAST - Eliminate any type of weed in just a matter of hours. Expect full desiccation in less than 24 hours. Green Gobbler contains 20% acetic acid. Use on crabgrass, dandelions, clover weeds, white clover, moss, etc.
  • SAFE TO USE ANYWHERE - Perfect for residential, commercial, industrial and agricultural use. Apply where weeds and grasses are not desired. Use on driveways, sidewalks, concrete, mulch beds, pavers, flower beds, parking lots, farmlands, barns, etc. Ready to use right out the container.
  • CERTIFIED FOR ORGANIC USE - Completely eliminates and desiccates weeds and grasses without using toxic chemicals. Made straight from corn. OMRI listed weed killer and certified for organic use.
  • POWERFUL FORMULA - NO potentially cancer-causing chemicals. Glyphosate-free. 20% formula is four times stronger than traditional table vinegar. Made strictly from ethanol distilled from corn grain.
  • 30-DAY MONEY BACK GUARANTEE - If you are not pleased, call or email us with your order number and we will reimburse your entire purchase. We value our customers and we stand behind all of our products. Expect a refund with no questions asked.