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Patio, Lawn & Garden

Gardening & Lawn Care

Post Emergent Crabgrass Killers

Best Post Emergent Crabgrass Killers

Name: Ortho WeedClear Lawn Weed Killer Ready-To-Use with Comfort Wand, Kills Crabgrass, Dandelion and Clover, 1.1 gal.
Brand: Ortho
Price: 26.99 USD
Availability: InStock

From leading brands and best sellers available on the web.

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ADIOS!

Adios! Professional Blue Spray Dye Marker, (1 Gallon), Makes 250 Gallons Indicator for Grass and Lawn Care, Safe for Mixing

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Ortho

16%OFF

Ortho GroundClear Weed and Grass Killer with Comfort Wand, Kills Dandelions, Chickweed, Crabgrass, Moss and More in Patios and Landscapes, OMRI Listed, 1 gal.

9.8

score

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Syngenta

Syngenta Tenacity Herbicide - Pre-Emergent and Post-Emergent Weed Control, 8-oz. Liquid Weed Killer for Lawns and Turf Grasses, Active Ingredient Mesotrione Herbicide

9.6

score

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BASF

22%OFF

BASF Drive XLR8 Crabgrass Killer for Lawn & Turf, Post Emergent Grassy & Broadleaf Weed Control, Active Ingredient Quinclorac, 30 Day Residual, Herbicide, Concentrate 64 Ounce

9.4

score

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Ortho

17%OFF

Ortho WeedClear Lawn Weed Killer Concentrate, Kills Crabgrass, Dandelion and Clover, 32 fl. oz.

9.2

score

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Prime Source

34%OFF

Prime Source Celsius WG - 0.226 oz Easy Mix Packet-Post Emerge Weed Control

9.0

score

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Spectracide

Spectracide Weed Stop For Lawns Plus Crabgrass Killer AccuShot Refill, 1.33 Gallons, Kills More Than 470 Types Of Weeds As Listed Including Dandelion, Chickweed, Clover, Crabgrass And Yellow Nutsedge

8.7

score

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Liquid Harvest

5%OFF

Liquid Harvest Mesotrione - 8oz - Mesotrione Concentrate (Compare to Tenacity) - Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses

8.4

score

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Spectracide

Spectracide Weed Stop For Lawns Plus Crabgrass Killer, 1 Gallon, Ready-To-Use Formula Kills More Than 470 Types Of Weeds As Listed Including Dandelion, Chickweed, Clover, Crabgrass And Yellow Nutsedge

Agrisel

Agrisel GlyPhoSel Plus Weed Killer, Post Emergent, Long-Lasting Action, Eliminates Tough Weeds from Leaf to Root, for Non-Crop Areas, Includes 3-Pack of Agrisel Protective Gloves, 32 Ounces

7.8

score

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Buying Guide for the Best Post Emergent Crabgrass Killers

Choosing the right post-emergent crabgrass killer can be crucial for maintaining a healthy and beautiful lawn. Post-emergent herbicides are designed to target and eliminate crabgrass after it has already sprouted. To make an informed decision, you need to understand the key specifications and how they align with your specific needs. Here are the main factors to consider when selecting a post-emergent crabgrass killer.

Active IngredientsThe active ingredients in a post-emergent crabgrass killer determine its effectiveness and the types of weeds it can control. Common active ingredients include Quinclorac, Fenoxaprop, and Dithiopyr. Quinclorac is effective against a wide range of grassy weeds, including crabgrass. Fenoxaprop is known for its quick action and is often used in professional-grade products. Dithiopyr not only kills existing crabgrass but also provides some pre-emergent control. Choose an active ingredient based on the specific weeds you are dealing with and the level of control you need.

FormulationPost-emergent crabgrass killers come in various formulations, such as liquid concentrates, ready-to-use sprays, and granular forms. Liquid concentrates are versatile and can be mixed with water for spot treatments or larger areas. Ready-to-use sprays are convenient for small infestations and quick applications. Granular forms are easy to apply and can cover large areas efficiently. Consider the size of the area you need to treat and your preference for application when choosing a formulation.

Application TimingThe timing of application is crucial for the effectiveness of post-emergent crabgrass killers. These products work best when applied to actively growing crabgrass, typically in the late spring or early summer. Applying too early or too late can reduce effectiveness. Check the product label for specific timing recommendations and ensure you apply the herbicide when the crabgrass is most vulnerable.

SelectivitySelectivity refers to whether the herbicide targets only crabgrass or affects other plants as well. Selective herbicides are designed to kill crabgrass without harming your lawn, while non-selective herbicides will kill any plant they come into contact with. If you want to preserve your lawn while eliminating crabgrass, opt for a selective herbicide. Non-selective herbicides are best for areas where you want to clear all vegetation.

Safety and Environmental ImpactConsider the safety and environmental impact of the crabgrass killer you choose. Some products may be harmful to pets, children, or beneficial insects. Look for herbicides that are labeled as safe for use around pets and children if this is a concern. Additionally, consider the environmental impact of the product, such as its potential to contaminate water sources. Opt for eco-friendly options if you are concerned about environmental sustainability.

Ease of UseEase of use can make a significant difference in your overall experience with a post-emergent crabgrass killer. Products that are easy to mix, apply, and clean up can save you time and effort. Ready-to-use sprays are generally the easiest to use, while liquid concentrates may require more preparation. Granular forms are straightforward to apply but may require a spreader. Choose a product that fits your comfort level and the amount of time you are willing to invest in the application process.

Best Post Emergent Crabgrass Killers

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Buying Guide for the Best Post Emergent Crabgrass Killers