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The Best Weed Killers for Buffalo Grass: A Comprehensive Guide

May 28, 2024 | by Willson

Using a broadcast spreader on a green lawn.


Buffalo grass is a popular choice for lawns due to its drought resistance, low maintenance needs, and ability to thrive in a variety of soil types. However, like any other lawn, it is susceptible to weeds. Selecting the right weed killer is crucial to maintaining a healthy and lush buffalo grass lawn. In this guide, we will explore the best weed killers for buffalo grass, taking into account their effectiveness, safety, and ease of use.

Understanding Buffalo Grass

Before diving into weed killers, it’s essential to understand the unique characteristics of buffalo grass. This warm-season grass is native to the Great Plains and is known for its fine texture, blue-green color, and dense growth pattern. It goes dormant in winter, turning brown, but greens up quickly in spring.

Types of Weeds Common in Buffalo Grass Lawns

Buffalo grass lawns can be invaded by various weeds, including:

  • Broadleaf Weeds: Dandelions, clover, and chickweed.
  • Grassy Weeds: Crabgrass, foxtail, and goosegrass.
  • Sedges: Nutsedge.

Each type of weed may require a different approach for effective control.

Criteria for Choosing the Best Weed Killer

When selecting a weed killer for buffalo grass, consider the following factors:

  1. Selectivity: Choose a herbicide that targets weeds without harming the buffalo grass.
  2. Type of Weed: Identify whether the weed killer is effective against broadleaf weeds, grassy weeds, or sedges.
  3. Application Method: Options include granular, liquid, or ready-to-use sprays.
  4. Safety: Consider the impact on pets, children, and the environment.
  5. Ease of Use: Look for products with clear instructions and convenient application methods.

Top Weed Killers for Buffalo Grass

Here are some of the best weed killers for buffalo grass, based on the above criteria:

  1. Ortho Weed B Gon Weed Killer for Lawns
    • Type: Broadleaf weed killer
    • Key Features: Selective herbicide that targets over 250 broadleaf weeds, including dandelions and clover, without harming buffalo grass.
    • Application: Available in both ready-to-use spray and concentrate forms.
    • Safety: Safe for use around pets and children once dried.
  2. Scotts Turf Builder Weed & Feed
    • Type: Broadleaf weed killer and fertilizer
    • Key Features: Combines weed control and fertilization in one application. Effective against common broadleaf weeds and promotes thick, green grass.
    • Application: Granular form; easy to spread with a broadcast spreader.
    • Safety: Safe for buffalo grass and enhances lawn health.
  3. Spectracide Weed Stop for Lawns Plus Crabgrass Killer
    • Type: Broadleaf and grassy weed killer
    • Key Features: Kills over 200 types of weeds, including crabgrass, without harming buffalo grass.
    • Application: Available as a ready-to-use spray or concentrate.
    • Safety: Safe for pets and children once the product has dried.
  4. SedgeHammer+ Herbicide
    • Type: Sedge killer
    • Key Features: Specifically formulated to control nutsedge and other sedge species. Does not harm buffalo grass.
    • Application: Mix with water and apply with a sprayer.
    • Safety: Safe for use on established buffalo grass lawns.
  5. Southern Ag Atrazine Weed Killer
    • Type: Broadleaf and grassy weed killer
    • Key Features: Effective against a variety of weeds including dollarweed, sandspur, and annual bluegrass. Suitable for St. Augustine and centipede grasses, making it safe for buffalo grass.
    • Application: Concentrate form; mix with water and apply with a sprayer.
    • Safety: Follow label instructions to ensure safety around pets and children.

Application Tips for Optimal Results

  1. Timing: Apply weed killers during the growing season when weeds are actively growing. Avoid application during extreme heat or drought conditions.
  2. Preparation: Mow the lawn to the recommended height and water it a day before applying the herbicide to ensure optimal absorption.
  3. Follow Instructions: Carefully read and follow the product label instructions for mixing, application rates, and safety precautions.
  4. Post-Application Care: Keep pets and children off the treated area until the product has dried. Water the lawn lightly after application if recommended by the product instructions.


Maintaining a best weed killer forbuffalo grass lawn requires the right approach and products. By choosing a suitable weed killer and following proper application techniques, you can effectively control weeds and keep your buffalo grass lawn looking its best. Remember to always consider the safety and environmental impact of the products you use, ensuring a healthy and beautiful lawn for years to come.


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