Best Weed Preventer For Lawns 2024 - Top 10 Picks

This is the ultimate buyer's guide to finding the right weed preventer for lawns to suit your needs. We review the 10 best weed preventer for lawns on the market so you know that your next decision will be a smart one!

When you're trying to select the good weed preventer for lawns, there are a lot of factors to consider. This page has everything you need to know in one place.

This guide will help you avoid the pitfalls that come with researching weed preventer for lawns.

You don't have to try out every weed preventer for lawns to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best weed preventer for lawns to be Scotts Halts Crabgrass & Grassy Weed Preventer, Pre-Emergent Weed Killer for Lawns, 10,000 sq. ft., 20.12 lbs.. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Scotts WeedEx Prevent with Halts, Crabgrass Preventer, Pre-Emergent Grassy Weed Killer, 5,000 sq. ft., 10.06 lbs..

Choosing the weed preventer for lawns can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated weed preventer for lawns. The following products are some of the best you can get right now.

List of Top 10 Weed Preventer For Lawns

Review of Best Weed Preventer For Lawns

1. Scotts Halts Crabgrass & Grassy Weed Preventer, Pre-Emergent Weed Killer for Lawns, 10,000 sq. ft., 20.12 lbs.

  • Scotts Halts Crabgrass & Grassy Weed Preventer prevents the germination of listed lawn weeds so you can enjoy your lawn
  • Prevents the germination of crabgrass, foxtail, spurge, barnyardgrass, and more as listed in the early spring all season long, and moss (except in California), Poa annua, henbit, corn speedwell, and chickweed in the fall
  • Apply this pre-emergent weed killer in the early spring to a dry lawn or in the fall; rain, snow, or freezing weather after application will not affect the performance of this product
  • This lawn care product is for use on all grass types (with the exception of Dichondra or Bentgrass)
  • One 20.12 lb. bag of Scotts Halts Crabgrass & Grassy Weed Preventer covers 10,000 sq. ft.

2. Scotts WeedEx Prevent with Halts, Crabgrass Preventer, Pre-Emergent Grassy Weed Killer, 5,000 sq. ft., 10.06 lbs.

  • Scotts WeedEx Prevent with Halts prevents crabgrass all season long
  • This pre-emergent grassy weed killer stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass, or apply in fall to prevent winter weeds such as Poa annua, henbit, and chickweed
  • Do not apply this lawn care product to Dichondra and Bentgrass
  • One 10.06 lb. bag of Scotts WeedEx Prevent with Halts covers 5,000 sq. ft.

3. Scotts Turf Builder Triple ActionI, Weed Killer and Preventer Plus Lawn Fertilizer, 4,000 sq. ft., 11.31 lbs.

  • Weed slayer with a 3-in-1 formula is made to destroy weeds, stop crabgrass and other grassy weeds, and fertilize green lawns for a more alluring front yard or backyard
  • Built-in lawn weed destruction puts the existing dandelion, cover, dollar weed, ground ivy, chickweed, plantain, henbit, and English daisy under control
  • Stops crabgrass for 4 months while also stopping barnyard grass, fall panicum, foxtail, and annual bluegrass without exterminating, letting you purify your lawn without incurring damage
  • Stops crabgrass for 4 months while also stopping barnyard grass, fall panicum, foxtail, and annual bluegrass without exterminating, letting you purify your lawn without incurring damage
  • Stops crabgrass for 4 months while also stopping barnyard grass, fall panicum, foxtail, and annual bluegrass without exterminating, letting you purify your lawn without incurring damage

4. The Andersons Barricade Professional-Grade Granular Pre-Emergent Weed Control - Covers up to 5,800 sq ft (18 lb)

  • Apply this product only in EARLY SPRING and FALL
  • Barricade professional-grade pre-emergent weed control is designed to prevent weeds, and will not aid in eliminating existing weeds.
  • Contains 0.48% of the active ingredient prodiamine - Labeled to prevent over 30 grass and broadleaf weeds
  • Trusted by top turf care professionals to prevent problem weeds without harming desirable plants
  • DG Pro formulation allows for more particles per square inch of chemical - leads to better control of weeds

5. Espoma Organic Weed Preventer-25 lb. CGP25, 25 lb, Natural

  • Made from corn gluten meal
  • Feeds lawns to ensure a deep, green color and prevents weeds by inhibiting root development in seedlings
  • Apply twice per year, early spring and fall
  • Granulated for easy application, Espoma Organic Weed Preventer provides long lasting nitrogen for a thicker, greener lawn
  • Children and pets can safely play on lawn after application.

6. BioAdvanced Season Long Weed Killer Plus Preventer for Norther Lawns, Granules, 9.6 LB

  • KILLS TOUGH WEEDS* LIKE CRABGRASS: Kills over 200 types of weeds*, including hard to kill weeds like Clovers, Dandelions and Crabgrass *listed
  • PREVENTS WEEDS & CRABGRASS UP TO 6 MONTHS: One step prevents listed broadleaf weeds, like Crabgrass, for up to 6 months
  • CREATES AN EXTENDED 6-MONTH CONTROL BARRIER: Creates an extended, 6-month control barrier that prevents new weeds* from sprouting
  • TARGETS HARD TO KILL WEEDS: Targets hard to kill weeds*, destroying them down to the root

7. Scotts Turf Builder Weed & Feed3, Weed Killer Plus Lawn Fertilizer, Controls Dandelion and Clover, 5,000 sq. ft., 14.29 lbs.

  • Scotts Turf Builder Weed & Feed3 weed killer plus fertilizer kills existing listed weeds and feeds to thicken your lawn and crowd out future weeds
  • Controls over 50 listed lawn weeds, including clover, dandelion, plantain, morningglory, chicory, eveningprimrose, and purslane
  • Apply this combination weed control and lawn food to a wet lawn when weeds are actively growing and daytime temperatures are consistently between 60°F and 90°F
  • This lawn care product can be applied to Bahiagrass, Bermudagrass, Bluegrass, Centipedegrass, Fescue, Ryegrass, and Zoysiagrass
  • One 14.29 lb. bag of Scotts Turf Builder Weed & Feed3 covers 5,000 sq. ft.

8. Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food, Pre-Emergent Weed Killer, Fertilizer, 15,000 sq. ft., 40.05 lb.

  • Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food stops crabgrass before it invades and feeds grass for a fast green-up after winter
  • Prevents listed weeds including crabgrass, barnyard grass, foxtail, Poa annua, chickweed, and oxalis
  • Apply pre-emergent weed killer plus fertilizer to a dry lawn in early spring (prior to 3rd or 4th mowing) before temperatures are regularly in the 80s; rain, snow, or freezing conditions after application will not affect the performance of this product
  • Do not apply this lawn care product to Dichondra and Bentgrass
  • One 40.05 lb. bag of Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food covers 15,000 sq. ft.

9. BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns 10 LB Granules, 4,000 SQ FT

  • KILLS & PREVENTS WEEDS* UP TO 6 MONTHS: Kills broadleaf weeds*, including Dollarweed, Dandelion, Clover, Chickweed and Henbit with a proven blend of weed killers, plus a residual herbicide to keep them from coming back for up to 6 months *Listed
  • PREVENTS WEEDS* PLUS CRABGRASS UP TO 6 MONTHS: Prevents grassy and listed broadleaf weeds such as Crabgrass, Annual Bluegrass, Common Dandelion, Goosegrass and Spurge up to 6 months
  • FOR USE ON SOUTHERN LAWNS: Treats 4,000 square feet of southern turf, including all varieties of St. Augustinegrass and Floratam
  • SEASON LONG WEED CONTROL: One application provides season long control of over 50 listed lawn weeds

10. Preen 246422 Extended Control Weed Preventer - 13.75 lb. - Covers 2,245 sq. ft.

  • 1 application blocks weeds up to 6 months
  • When used as directed Preen Extended Control Weed Preventer can be used around more than 600 perennials, groundcovers, shrubs and trees as listed on the product label
  • Applicator scoop included
  • Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants
  • Not available for sale in NY

Last update on 2024-05-01 / Affiliate links / Images from Amazon Product Advertising API

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