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20 Best Pre Emergent Weed Killer For Lawns (2023 Updated)

Pre-emergent weed killers are chemical treatments that are applied to lawns before weeds germinate and begin to grow. They work by creating a barrier in the soil that prevents weed seeds from germinating and growing.

Pre-emergent weed killers are most effective when applied in early spring, before weeds have a chance to germinate and grow.

20 Best Pre Emergent Weed Killer For Lawns

Product Image Product Name Features Price

Barricade Pre-Emergent Herbicide 10#bag – Nitrophos Prodiamine

  • Prodiamine .58%.
  • Barricade is applied with a broadcast spreader at a rate of 10 pounds per 5000 square feet.

Tenacity Herbicide – 8 Ounces

  • Eliminates weeds at seedlings so new grass can flourish.
  • Brand name: Syngenta.
  • Made in United States.

Preen 13.75 lbs. Extended Control Weed Preventer

  • 1 application blocks weeds up to 6 months.
  • Applicator scoop included.
  • Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants.

Scotts WeedEx Prevent with Halts Weed Preventer Granules 10 lb

  • Prevents crabgrass all season long
  • Weather elements will not affect the product performance
  • Stops crabgrass before it starts

Prodiamine 65 Wdg Herbicide (generic Barricade) – 5 lbs.

  • Effectively controls Annual Bluegrass and Crabbgrass as well as many other annual grass and broadleaf weeds.
  • Active ingredient rate as low as 1/4 the rate of other pre-emergent herbicides.

Roundup QuikPro Herbicide – 6.8 Pound

  • QuikPro non selective herbicide jug
  • The active ingredient is glysophate, which lands onto the weed or grass and is absorbed directly into the weed, not the ground

Spectracide Weed Stop, For Lawns, Plus Crabgrass Killer, Concentrate – 32 fl oz

  • 32 fl oz

Southern Ag Surflan A.S. Specialty Herbicide Pre-Emergent Herbicide, 8oz

  • 8 oz

Celsius WG Herbicide, Bayer, 10 oz.

  • Convenient application window without high temperature limitations
  • Reduced risk of significant phytotoxicity at high temperatures

Meso 4SC Select Herbicide – 8 Ounce

  • Provides post-emergent control of tough-to-control weeds.
  • Weeds controlled include crabgrass (pre- and post-emergent), ground ivy, yellow foxtail, yellow nutsedge and dandelion.

Preen 5 lbs. Lawn Weed Control

  • Controls dandelions and 200 other broadleaf weeds in lawns (as listed).
  • Will not burn lawn, no fertilizer included – lawn weed control only.

Greenview – Preen Lawn Crabgrass Control 15 lb

  • It also provides post-emergence control of seedling crabgrass for up to 4 weeks after it germinates.
  • Preen Lawn Crabgrass Control should be applied to lawns and ornamental turfgrasses that are well established.

Concern 25 lb. Weed Prevention Plus

  • For use in flower gardens vegetable gardens and in landscaping areas
  • Ideal for use under bird feeders
  • Safe for children and pets

Scotts WeedEx Prevent with Halts – Crabgrass Preventer, Pre-Emergent Weed Control for Lawns, Prevents Chickweed, Oxalis, Foxtail & More All Season

  • Scotts WeedEX Prevent with Halts prevents crabgrass all season long
  • Stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass, Fall application prevents winter weeds such as poa annua, henbit and chickweed
Barricade Pre-Emergent Herbicide 10#bag – Nitrophos Prodiamine
  • Prodiamine .58%.
  • Barricade is applied with a broadcast spreader at a rate of 10 pounds per 5000 square feet.
Tenacity Herbicide – 8 Ounces
  • Eliminates weeds at seedlings so new grass can flourish.
  • Brand name: Syngenta.
  • Made in United States.
Preen 13.75 lbs. Extended Control Weed Preventer
  • 1 application blocks weeds up to 6 months.
  • Applicator scoop included.
  • Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants.
Scotts WeedEx Prevent with Halts Weed Preventer Granules 10 lb
  • Prevents crabgrass all season long
  • Weather elements will not affect the product performance
  • Stops crabgrass before it starts
Prodiamine 65 Wdg Herbicide (generic Barricade) – 5 lbs.
  • Effectively controls Annual Bluegrass and Crabbgrass as well as many other annual grass and broadleaf weeds.
  • Active ingredient rate as low as 1/4 the rate of other pre-emergent herbicides.
Roundup QuikPro Herbicide – 6.8 Pound
  • QuikPro non selective herbicide jug
  • The active ingredient is glysophate, which lands onto the weed or grass and is absorbed directly into the weed, not the ground
Spectracide Weed Stop, For Lawns, Plus Crabgrass Killer, Concentrate – 32 fl oz
  • 32 fl oz
Southern Ag Surflan A.S. Specialty Herbicide Pre-Emergent Herbicide, 8oz
  • 8 oz
Celsius WG Herbicide, Bayer, 10 oz.
  • Convenient application window without high temperature limitations
  • Reduced risk of significant phytotoxicity at high temperatures
Meso 4SC Select Herbicide – 8 Ounce
  • Provides post-emergent control of tough-to-control weeds.
  • Weeds controlled include crabgrass (pre- and post-emergent), ground ivy, yellow foxtail, yellow nutsedge and dandelion.
Preen 5 lbs. Lawn Weed Control
  • Controls dandelions and 200 other broadleaf weeds in lawns (as listed).
  • Will not burn lawn, no fertilizer included – lawn weed control only.
Greenview – Preen Lawn Crabgrass Control 15 lb
  • It also provides post-emergence control of seedling crabgrass for up to 4 weeks after it germinates.
  • Preen Lawn Crabgrass Control should be applied to lawns and ornamental turfgrasses that are well established.
Concern 25 lb. Weed Prevention Plus
  • For use in flower gardens vegetable gardens and in landscaping areas
  • Ideal for use under bird feeders
  • Safe for children and pets
Scotts WeedEx Prevent with Halts – Crabgrass Preventer, Pre-Emergent Weed Control for Lawns, Prevents Chickweed, Oxalis, Foxtail & More All Season
  • Scotts WeedEX Prevent with Halts prevents crabgrass all season long
  • Stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass, Fall application prevents winter weeds such as poa annua, henbit and chickweed

1. Barricade Pre-Emergent Herbicide 10#bag – Nitrophos Prodiamine

Barricade Pre-Emergent Herbicide 10#bag - Nitrophos Prodiamine

  • Prodiamine .58%.
  • Barricade is applied with a broadcast spreader at a rate of 10 pounds per 5000 square feet.

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Amazon.com – Seller
Solutions Pest & Lawn

Product Details

Specifications

Details
Restricted Use No
Application Equipment Hand Spreader, Push Spreader
Application Methods Granular Spreading
Chemical Type Herbicide
Formulation Granular

2. Tenacity Herbicide – 8 Ounces

Tenacity Herbicide - 8 Ounces

  • Eliminates weeds at seedlings so new grass can flourish.
  • Brand name: Syngenta.
  • Made in United States.
  • Assembly not required.

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DoMyOwn.com
DIY Pest Control

Product Details

Specifications

Details
Kentucy bluegrass 5-8 oz
Centiepedegrass 5-8 oz
Tall Fescue 5-8 oz
Perennial ryegrass 5 oz
Fine Fescue 5 oz
St Augustinegrass 4 oz
Product Label Label(Same as 8 oz)
Active Ingredient (s) Mesotrione 40%
Retreatment twice on listed weeds as post-emergent treatment

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shoppingonlineip

3. Preen 13.75 lbs. Extended Control Weed Preventer

Preen 13.75 lbs. Extended Control Weed Preventer

  • 1 application blocks weeds up to 6 months.
  • Applicator scoop included.
  • Not intended for use on flower seeds, lawns, vegetable gardens, water gardens or other food-producing or edible plants.

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Blain’s Farm & Fleet

Product Details

Specifications

Details
Recommended for Tree Stumps No
For Use Along Fences No
Recommended for Poison Ivy No
Maximum Coverage Area (Sq. Feet) 2245
Lowe’s Exclusive No
Recommended for Vines No
Recommended for Chickweed Yes
Maximum Duration of Effectiveness (Days) 183
Recommended for Crabgrass Yes
Recommended for Brush No
Recommended for Nutsedge No
For Use Around Trees Yes
Recommended for Algae No
Application Season All season
Pre-Emergent Yes
Rain Resistant No
Safer For Pets No
Primary Usage Weed preventer
Contains Glyphosate No
Concentrated No
Ready to Use Yes
Safer For Kids No
Area of Use Garden
Odorless No
Organic No
Natural No
Active Ingredient Trifluralin, Isoxaben
Application Method Shaker bottle
For Use in Flower Beds No
EPA Registration Number 961-421
Recommended for Poison Oak No
OMRI Listed No
For Use in Vegetable Gardens No
Recommended for Dandelions Yes
Recommended for Moss No

4. Scotts WeedEx Prevent with Halts Weed Preventer Granules 10 lb

Scotts WeedEx Prevent with Halts Weed Preventer Granules 10 lb

  • Prevents crabgrass all season long
  • Weather elements will not affect the product performance
  • Stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass
  • Use on all lawn and grass types (EXCEPT dichondra or bentgrass)

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Amazon.com
Scotts Direct
Esbenshade’s Garden Center
McGuckin Hardware

Product Details

Specifications

Details
Recommended for Poison Oak No
Safer For Pets Yes
Application Method Spreader
Natural No
Recommended for Crabgrass Yes

5. Prodiamine 65 Wdg Herbicide (generic Barricade) – 5 lbs.

Prodiamine 65 Wdg Herbicide (generic Barricade) - 5 lbs.

  • Effectively controls Annual Bluegrass and Crabbgrass as well as many other annual grass and broadleaf weeds.
  • Active ingredient rate as low as 1/4 the rate of other pre-emergent herbicides.
  • Excellent tank mix partner with fertilizers and iron solutions.
  • Safe for over the top applications in shrub and flower beds.
  • Pre-emergent grass and broadleaf weed control. Flexible application allows for both spring and fall use providing season long crabgrass control.

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Solutions Pest & Lawn

Product Details

Specifications

Details
Restricted Use No
Application Methods Broadcast Spray, Spot Treatment
Active Ingredient Prodiamine 65.0%
Chemical Type Herbicide
Formulation Water Dispersible Granule (WDG)
Use Sites Outdoors
Comparable Products Barricade Herbicide, Prodiamine 4L

6. Preen 13 lbs. Garden Weed Preventer

Preen 13 lbs. Garden Weed Preventer

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Product Details

Specifications

Details
Recommended for Poison Ivy No
Safer For Kids No
Odorless No
Primary Usage Weed preventer
Recommended for Tree Stumps No
Recommended for Vines No
Maximum Duration of Effectiveness (Days) 90
Maximum Coverage Area (Sq. Feet) 2080
For Use in Vegetable Gardens Yes
Recommended for Dandelions No
Recommended for Algae No
Application Season All season
Lowe’s Exclusive No
Recommended for Poison Oak No
Safer For Pets No
Natural No
Rain Resistant Yes
Ready to Use Yes
For Use Around Trees Yes
Recommended for Chickweed Yes
Application Method Shaker bottle
Contains Glyphosate No
EPA Registration Number 961-280
Recommended for Moss No
Organic No
OMRI Listed No
For Use in Flower Beds Yes
Recommended for Nutsedge No
Area of Use Garden
Recommended for Crabgrass Yes
Active Ingredient Trifluralin
Concentrated No
Recommended for Brush No
Pre-Emergent Yes
For Use Along Fences No

7. Roundup QuikPro Herbicide – 6.8 Pound

Roundup QuikPro Herbicide - 6.8 Pound

  • QuikPro non selective herbicide jug
  • The active ingredient is glysophate, which lands onto the weed or grass and is absorbed directly into the weed, not the ground
  • The addition of diquat, along with the surfactant, gives you even faster burndown

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Forestry Distributing

Product Details

Specifications

Details
Organic No
Product Type Herbicide
Rain Proof Yes
OMRI Certified No
Pre/Post Emergent Post Emergent
Targeted Weed Grass & Weed
Container Size 6.8 lb
Product Form Granules
Primary Active Ingredient 73.3% Glyphosate 2.9% Diquat
Brand Name Roundup

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8. GrazonNext HL Herbicide – 2 Gallons

GrazonNext HL Herbicide - 2 Gallons

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Seed World

Product Details

Specifications

Details
Active Ingredient aminopyralid 8.24% 2,4-D 41.26%
Application 1.2 to 2.1 pints/acre
Pet safe Yes, if used as directed on label
NOT FOR SALE TO CA, NY

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labchick
GoApacheGo7
Zippy1

9. Spectracide Weed Stop, For Lawns, Plus Crabgrass Killer, Concentrate – 32 fl oz

Spectracide Weed Stop, For Lawns, Plus Crabgrass Killer, Concentrate - 32 fl oz

  • 32 fl oz

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Frankfort Hardware

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Specifications

Details
Units in Package 1
Unit Size 32 fl oz
Directions Read the entire label before use. It is a violation of Federal law to use this product in a manner inconsistent with its labeling. For outdoor residential use only. Shake well before using. Do not apply this product in a way that will contact any person or pet, either directly or through drift. Keep people and pets out of the area during application. Do not allow people or pets to enter the treated area until sprays have dried. General information: Spectracide Weed Stop for Lawns plus Crabgrass Killer Concentrate is a selective herbicide that controls emerged broadleaf and grass weeds in established lawns. Symptoms you may expect to see on affected broadleaf weeds include leaf reddening, leaf and stem curling and twisting, chlorosis and necrosis. Symptoms expected on grass weeds including stunting, chlorosis, gradual reddening and necrosis. Where to use: This product is intended for use by homeowners on residential lawns. This product should be applied only to the following species of turfgrass: Cool season turfgrass: Kentucky bluegrass, perennial ryegrass; fescue spp, including tall, red and fine leaf fescues. Warm season turfgrass: Bermudagrass (application to Bermudagrass may cause temporary yellowing or discoloration but full recovery can be expected. Do not apply to Bermudagrass when daytime temperatures exceed 85 degrees F), zoysiagrass, buffalograss. Do not use this product on lawns containing bentgrass, St. Augustinegrass, bahiagrass, centipedegrass, carpetgrass. Also, do not use on dichondra or lawns with desirable clovers or legumes. Do not use on vegetable gardens, fruits or ornamentals (flowers, trees, groundcovers, hedges landscape/flower beds and shrubs). When to use: Apply this product to actively growing weeds during the early growth stages for the best results. Apply in spring or fall when daytime temperatures are between 45 degrees F and 90 degrees F. Fall applications may control winter annual and biennial weeds that may otherwise resprout the following spring. For heavy grass weed pressure, apply a second application at the same rate, 14 days after the first application. Crabgrass (large and smooth): Spring: For the best results, apply this product from crabgrass emergence until the six-leaf stage (two tillers) or before the crabgrass is 3 to 4 inches in height. Generally, this period begins or corresponds to the first time that you can see crabgrass in your lawn. Use two applications at the same rate with a 14-day interval for dense populations. How much to use: The maximum application rate is 6-1/2 fl oz of product per 1,000 sq ft per application (0.6 lb 2,4-D acid equivalent per acre per application). The maximum number of broadcast applications is limited to two per year. The maximum seasonal rate is 13 fl oz of product per 1,000 sq ft (1.2 lb 2,4-D acid equivalent per acre), excluding spot treatments. Hose-end sprayer instruction: 1. Shake container well before using. 2. Connect a garden hose to the ready spray nozzle. Make sure the dial on the nozzle is in the off position with the safety tab in the valve notch. 3. Turn on water at faucet. Extend hose to the farthest area to be treated and work toward the faucet. 4. To begin spraying, point nozzle toward lawn a) bend the safety tab (located at the right of dial) back and hold, b) using your other hand, quickly turn the dial clockwise until it stops. Water will automatically mix with the product. 5. Spray until wet to control weeds. Walk a steady pace while spraying using and even sweeping motion, slightly overlapping treated areas. One quart will treat up to 5,000 sq ft of Southern or Northern grasses. For rectangular areas, calculate square feet by multiplying length by width. Refer to sight gauge to guide coverage (example: when bottle is half empty, you should have covered half the area). 6. To stop spraying, quickly turn the dial in the opposite direction of on (counterclockwise) until it stops and the safety tab engages into the notch. Turn water off at the faucet. To relieve pressure before removing nozzle from hose, bend the safety tab back and turn dial on until water stops spraying. 7. To store unused product, make sure the dial is in the off position with the safety tab in the valve notch. Adequate moisture and mild environmental conditions enhance the performance of this product. Applications should be made to actively growing weeds. Apply when daytime temperatures are between 40 degrees F and 90 degrees F. Avoid applications of this product when turfgrasses are under stress since injury may result. For newly seeded areas: Do not apply within 4 weeks after seedling emergence of Kentucky bluegrass, fine fescue blends and perennial ryegrass. Apply this product to newly seeded grasses when well-established (approximately 6 weeks after seedling emergence) or after the third mowing. For newly sodded, sprigged or plugged areas: The application of this product to newly sodded, sprigged or plugged grasses should be delayed until 3 to 4 weeks after the sodding, sprigging or plugging operations. Seeding: Turf species listed on this label can be seeded into the treated areas at 4 weeks after the application of this product. Irrigation: Do not apply this product immediately before rainfall or irrigation. For best results, do not irrigate or water the turfgrass within 24 hours after application. If dry conditions exist, a scheduled irrigation or watering 24 hours before and 24 hours after application is recommended. Mowing: Delay mowing 2 days before and until 2 days after the application of this product. Additional stress from low mowing heights may increase the possibility of turf injury. Clippings from the first 3 mowings should be left on the treated area. Do not use clippings from the treated areas as mulch or compose around flowers, ornamentals, trees, or in vegetable gardens. Prohibitions: Do not treat when air temperatures exceed 85 degrees F as damage to grass may occur. Application at rates above specified on this label may cause injury to turfgrass. Do not apply this product to food crops (gardens and vegetables), forage crops, or ornamental plants including flowers, trees, shrubs, hedges, woody ornamentals, groundcovers established in landscape plantings and other nontarget plants. Do not spray exposed roots of ornamentals and trees. Storage and disposal: Pesticide storage: Store in original container. Do not contaminate water, food or feed by storage or disposal. Disposal: If empty: Do not reuse this container. Place in trash or offer for recycling if available. If partly filled: Call your local solid waste agency for disposal instructions. Never place unused product down any indoor or outdoor drain.
Ingredients Active Ingredients: 2.4-D, Dimethylamine Salt (3.74%), Quinclorac (1.79%), Dicamba, Dimethylamine Salt (0.43%), Sulfentrazone (0.22%), Inert Ingredients (93.82%), This Product Contains: 0.264 Lb 2.4-Dichlorophenoxyacetic Acid Equivalent per Gallon or 3.11%, 0.152 Lb 3.7-Dichloro-8-Quinolinecarboxylic Acid per Gallon or 1.79%, 0.030 Lb 3.6-Dichloro-O-Anisic Acid Equivalent per Gallon or 0.36%, 0.019 Lb N-12.4-Dichloro-514-(Difloromethyl)-4.5-Dihydro-3-Methyl-5-Oxo-1h-1.2.4-Triazol-1-Yl[Phenyl]Methanesulfonamide per Gallon or 0.22%, Isomer Specific by AOAC Method.
Warnings Keep out of reach of children. Hazards to humans and domestic animals. Causes moderate eye irritation. Avoid contact with eyes or clothing. Harmful if swallowed. When using this product, wear long-sleeved shirt, long pants, socks, shoes and rubber gloves. Wash thoroughly with soap and water after handling. After using this product, rinse gloves before removing, remove clothing and launder separately before reuse, and promptly and thoroughly wash hands and exposed skin with soap and water. Remove saturated clothing as soon as possible and shower. First aid: If in eyes: Hold eyes open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after the first 5 minutes, then continue rinsing eye. Call a poison control center for treatment advice. If Swallowed: Call a poison control center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by a Poison Control Center or doctor. Do not give anything by mouth to an unconscious person. Have the product container or label with you when calling a poison control center or doctor or going for treatment. Environmental Hazards: This pesticide is toxic to fish and aquatic invertebrates. Do not apply directly to water, to areas where surface water is present, or to intertidal areas below the mean high-water mark except as noted on appropriate labels. Drift and runoff may be hazardous to aquatic organisms in water adjacent to treated areas. Do not contaminate water when disposing of equipment washwaters or rinsate. This chemical has properties and characteristics associated with chemicals detected in groundwater. The use of this chemical in areas where soils are permeable, particularly where the water table is shallow, may result in groundwater contamination. Application around a cistern or well may result in contamination of drinking water or groundwater.

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rosepaw
AmberM86
Jessica520

10. Southern Ag Surflan A.S. Specialty Herbicide Pre-Emergent Herbicide, 8oz

Southern Ag Surflan A.S. Specialty Herbicide Pre-Emergent Herbicide, 8oz

  • 8 oz

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Specifications

Details
Active Ingredient Oryzalin – 40.4%
Pet safe Yes, if followed by directions on label
NOT FOR SALE TO CA

11. Celsius WG Herbicide, Bayer, 10 oz.

Celsius WG Herbicide, Bayer, 10 oz.

  • Convenient application window without high temperature limitations
  • Reduced risk of significant phytotoxicity at high temperatures
  • Achieves control using 25–75% less active ingredient than current post-emergent herbicides
  • Easy-to-use wettable granule formulation

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Solutions Pest & Lawn
Forestry Distributing
Hart Agland

Product Details

Specifications

Details
Restricted Use No
Application Equipment Backpack Sprayer, Gloves, Pump Sprayer
Application Methods Broadcast Spray, Spot Treatment
Chemical Type Herbicide
Formulation Water Dispersible Granule (WDG)

12. Meso 4SC Select Herbicide – 8 Ounce

Meso 4SC Select Herbicide - 8 Ounce

  • Provides post-emergent control of tough-to-control weeds.
  • Weeds controlled include crabgrass (pre- and post-emergent), ground ivy, yellow foxtail, yellow nutsedge and dandelion.
  • Can be applied anytime you are seeding including overseeding of established turfgrass, bare ground seeding or during renovation.

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Solutions Pest & Lawn

Product Details

Specifications

Details
Restricted Use No
Application Equipment Hose End Sprayer, Pump Sprayer
Application Methods Spot Treatment
Active Ingredient Mesotrione 40.0%
Chemical Type Herbicide
Formulation Suspended Concentrate
Use Sites Outdoors
Comparable Products Tenacity Herbicide

13. Snapshot 2.5 TG 50#Bag- Pre-Emergent Herbicide Trifluralin & Isoxaben

Snapshot 2.5 TG 50#Bag- Pre-Emergent Herbicide Trifluralin & Isoxaben

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Solutions Pest & Lawn

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Specifications

Details
Restricted Use No
Application Equipment Hand Spreader, Push Spreader
Application Methods Granular Spreading
Active Ingredient Trifluralin 2.0%, and Isoxaben 0.5%
Chemical Type Herbicide

14. Preen 5 lbs. Lawn Weed Control

Preen 5 lbs. Lawn Weed Control

  • Controls dandelions and 200 other broadleaf weeds in lawns (as listed).
  • Will not burn lawn, no fertilizer included – lawn weed control only.
  • Kills weeds for a beautiful lawn.
  • Apply granules to wet lawn, water in after 48-72 hrs.
  • DO NOT use on St Augustinegrass in Florida, or on dichondra and carpetgrass as serious lawn injury will result.

Product Details

Specifications

Details
Area of Use Lawn
Emergent Type Post-Emergent
Concentrated or Ready to Use Ready to use
Application Type Granular
Safe for Edibles No

15. Safer Brand Weed Prevention Plus – 5 lb

Safer Brand Weed Prevention Plus - 5 lb

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Safer Brand Organics
DK Hardware
Gemplers

Product Details

Specifications

Details
Emergent Type Pre-Emergent
Concentrated or Ready to Use Ready to use
Application Type Granular
Compatible Grass Type All Purpose
Safe for Edibles Yes

16. Greenview – Preen Lawn Crabgrass Control 15 lb

Greenview - Preen Lawn Crabgrass Control 15 lb

  • It also provides post-emergence control of seedling crabgrass for up to 4 weeks after it germinates.
  • Preen Lawn Crabgrass Control should be applied to lawns and ornamental turfgrasses that are well established.
  • When used according to the directions, it will not harm nearby established ornamentals.

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Details
Organic No
Product Form Granules
Rain Proof Yes
OMRI Certified No
Product Type Control

17. Concern 25 lb. Weed Prevention Plus

Concern 25 lb. Weed Prevention Plus

  • For use in flower gardens vegetable gardens and in landscaping areas
  • Ideal for use under bird feeders
  • Safe for children and pets
  • Fast green up and will not burn
  • Made in the usa

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Esbenshade’s Garden Center

Product Details

Specifications

Details
Product Type Weed Preventer
Application Season All Season
Targeted Weed Weed
Container Size 25 lb
Product Form Granules

18. Scotts WeedEx Prevent with Halts – Crabgrass Preventer, Pre-Emergent Weed Control for Lawns, Prevents Chickweed, Oxalis, Foxtail & More All Season

Scotts WeedEx Prevent with Halts - Crabgrass Preventer, Pre-Emergent Weed Control for Lawns, Prevents Chickweed, Oxalis, Foxtail & More All Season

  • Scotts WeedEX Prevent with Halts prevents crabgrass all season long
  • Stops crabgrass before it starts
  • Apply in early spring for season-long prevention of crabgrass, Fall application prevents winter weeds such as poa annua, henbit and chickweed
  • Effective pre-emergent control of crabgrass, foxtail, spurge, oxalis, and other grassy and broadleaf weeds
  • Use on all lawn and grass types (except dichondra or bentgrass)

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19. Wow! Supreme Pre-Emergent Weed Killer and Lawn Fertilizer – 35 lb. Bag

Wow! Supreme Pre-Emergent Weed Killer and Lawn Fertilizer - 35 lb. Bag

Product Details

Specifications

Details
Season both Spring & Fall

20. Sunday Weed Warrior Non-Selective Herbicide Organic Ready to Use Herbicide | FP2050

Sunday Weed Warrior Non-Selective Herbicide Organic Ready to Use Herbicide | FP2050

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Lowe’s
The BuildClub

Product Details

Specifications

Details
Contains Glyphosate No
Safer For Pets Yes
Recommended for Dollar Weed Yes
Recommended for Grassy Weeds Yes
Recommended for Clover Yes
Active Ingredient Ammoniated soap of fatty acids
For Use in Flower Beds Yes
For Use in Vegetable Gardens No
Safer For Kids Yes
Area of Use Lawn
Odorless No
Visible Results 1 hour
Rain Resistant Yes
Primary Usage Weed killer
Concentrated No
Ready to Use Yes
Lowe’s Exclusive No
Recommended for Crabgrass Yes
Recommended for Nutsedge Yes
For Use Around Trees Yes
Duration of Effectiveness 21 days
Post-Emergent Yes
For Use Along Fences Yes
Recommended for Dandelions Yes
Maximum Coverage Area 224
Recommended for Vines Yes
Recommended for Creeping Charlie Yes
Pre-Emergent No
Recommended for All Broadleaf Weeds Yes
Application Season Spring/Summer/Fall
Recommended for Chickweed Yes
Recommended for Algae Yes
Recommended for Moss Yes
Organic Yes
Natural No
Application Method Battery sprayer
Recommended for Spurge Yes
OMRI Listed Yes

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Conclusion

Pre-emergent weed killers are effective at preventing weeds from germinating and taking hold in your lawn. They work by creating a barrier on the surface of the soil that prevents weed seeds from germinating.

The barrier lasts for several weeks, so it is important to apply pre-emergent weed killers before weed seeds have a chance to germinate.

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