Zoysia Grass Weed Control Products: A Guide

Learn Zoysia Grass Weed Control Products in lawn effectively. Discover the best weed killers, pre-emergent strategies, and tips for maintaining a lush Zoysia lawn. Get answers to common questions about Zoysia weed control.


Zoysia grass is a popular choice for homeowners due to its drought tolerance, low maintenance requirements, and beautiful appearance. However, like any other lawn, Zoysia grass can fall victim to invasive weeds. In this article, we’ll explore effective strategies to keep your Zoysia lawn lush and weed-free.

Understanding the Challenge

Weeds can quickly take over your Zoysia grass if left unchecked. To maintain a healthy lawn, you need to choose the right weed control products. But here’s the catch: some common herbicides can harm your Zoysia grass along with the weeds. Let’s dive into the best weed control options specifically tailored for Zoysia grass.

1. PBI/Gordon’s Speed Zone Lawn Weed Killer (Best Overall)

  • Description: A fast-acting selective weed killer that targets a wide range of common lawn weeds.
  • Active Ingredients:
    • 2,4-D: Systemic herbicide that kills broadleaf weeds to the root.
    • Dicamba: Controls broadleaf weeds and woody plants.
    • Mecoprop-p: Post-emergent herbicide for broadleaf weed control.
    • Carfentrazone-ethyl: Contact herbicide for broadleaf weeds and sedges.
  • Benefits:
    • Provides quick results (visible browning within 1-2 days).
    • Systemic action kills both leaves and roots.
    • Offers pre-emergent properties to prevent new broadleaf weeds.
  • Coverage: One bottle (20 fl. oz.) treats up to 18,200 sq. ft. of lawn.

2. The Andersons Barricade Professional-Grade (Best Pre-emergent)

  • Description: Granular pre-emergent weed control.
  • Active IngredientProdiamine.
  • Benefits:
    • Prevents weed seeds from germinating.
    • Ideal for controlling crabgrass and other annual grassy weeds.
    • Apply before weed growth begins in spring.
  • Coverage: Varies based on package size.

3. Kills Nutsedge Concentrate (Best for Nutsedge)

  • Description: Specifically targets nutsedge (a tough weed).
  • Active IngredientHalosulfuron-methyl.
  • Benefits:
    • Effective against nutsedge without harming Zoysia grass.
    • Follow label instructions for proper application.
  • Coverage: Depends on dilution ratio.

4. Scotts Turf Builder Bonus S Southern Weed & Feed (Best Weed & Feed)

  • Description: Combines weed control with lawn feeding.
  • Active Ingredients:
    • 2,4-D: Broadleaf weed control.
    • Atrazine: Controls broadleaf weeds and certain grassy weeds.
    • Fertilizer: Nourishes your Zoysia grass.
  • Benefits:
    • Kills weeds while promoting grass growth.
    • Convenient two-in-one solution.
  • Coverage: Follow package instructions.

5. Spectracide Weed Stop For Lawns

  • Description: General-purpose weed killer for lawns.
  • Active Ingredients: Various (check product label).
  • Benefits:
    • Effective against common lawn weeds.
    • Follow instructions for best results.
  • Coverage: Refer to product guidelines.

What are some common weeds that affect Zoysia grass?

Zoysia grass, while resilient, can still fall prey to weeds. Let’s explore some common ones that might pop up in your Zoysia lawn:

  1. Dandelion (Taraxacum officinale):
    • Recognizable by its bushy yellow flowers and fluffy white seeds.
    • Long, broad leaves hug the ground.
    • Difficult to eradicate due to its persistent taproot.
    • Use a weed puller to remove the entire root system.
  2. Clover (Trifolium):
    • Sometimes intentionally planted in blended grass seeds.
    • Grows in bare spots, so maintaining thick Zoysia grass helps crowd out Clover.
    • Consider laying sod or planting plugs in any bare patches to prevent weed growth.
  3. Lamb’s Tongue:
    • Also known as Plantain.
    • Features long, oval leaves resembling a lamb’s tongue.
    • Thrives in compacted soil.
    • Regular soil aeration can help prevent its spread.
  4. Crabgrass:
    • A grass-like weed that can infiltrate Zoysia lawns.
    • Keep an eye out for its distinctive appearance and address it promptly.
  5. GoosegrassDallisgrass, and Torpedograss:
    • These grassy weeds resemble Zoysia grass blades.
    • Monitor their growth and take action if they become established.
  6. Sedges:
    • Similar to grass but with triangular stems.
    • Often found in wet or poorly drained areas of the lawn.

Remember, maintaining a healthy Zoysia lawn through proper care and vigilance is key to keeping these weeds at bay! 🌿🌱

Zoysia Grass Weed Control Products

How do I prevent weeds from growing in my Zoysia lawn?

Preventing weeds in your Zoysia lawn involves a combination of cultural practices and strategic weed control methods. Let’s dive into effective strategies:

  1. Maintain Healthy Zoysia Grass:
    • Regularly mow your lawn at the recommended height for your specific Zoysia grass variety (usually between 0.5–2 inches).
    • A well-maintained lawn creates a dense canopy that naturally chokes out weeds.
    • Proper mowing also helps sunlight penetrate the grass, making it harder for weeds to thrive.
  2. Identify Common Weeds:
    • Learn to recognize common weeds that invade Zoysia lawns, such as dandelioncloverchickweedcrabgrass, and nutsedge.
    • Knowing the specific weed type helps you choose the right control products.
  3. Cultural Control Methods:
  4. Pre-Emergent Herbicides:
    • Apply a pre-emergent herbicide in early spring after the last frost.
    • These products prevent weed seeds from germinating, giving your Zoysia grass a head start.
    • Look for herbicides containing prodiamine for effective pre-emergent control.
  5. Post-Emergent Herbicides:
    • If weeds do appear, use post-emergent herbicides specifically designed for Zoysia grass.
    • Check product labels to ensure they won’t harm your grass.
    • Target weeds like dandelionclover, and nutsedge with appropriate herbicides.
  6. Mulching and Hand-Pulling:
    • Mulch around plants and in garden beds to suppress weed growth.
    • Hand-pull visible weeds promptly to prevent them from spreading.

Remember, a proactive approach to lawn care and timely weed management will keep your Zoysia lawn lush and weed-free! 🌿🌱

Are there any natural ways to prevent weeds from growing in my lawn?

Maintaining a weed-free lawn naturally is not only possible but also beneficial for the environment. Here are some effective methods to prevent weeds without resorting to chemicals:

  1. Mow Grass at the Right Height:
  2. Hand-Pull Weeds:
    • Regularly inspect your lawn and pull weeds by hand.
    • Focus on removing them before they go to seed.
  3. Use Boiling Water:
    • Pour boiling water directly onto weeds.
    • This scalds the leaves and roots, effectively killing them.
  4. Vinegar Solution:
    • Mix vinegar with water (1:1 ratio) and spray it on weeds.
    • Be cautious not to spray it on your grass, as vinegar can harm it.
  5. Salt:
    • Sprinkle salt directly on weeds.
    • Use sparingly, as excessive salt can damage soil and plants.
  6. Sunlight Deprivation:
    • Cover low-growing weeds (like crabgrass) with landscape fabric or cardboard.
    • Depriving them of sunlight inhibits growth.
  7. Mulch and Ground Cover Plants:
    • Mulch around plants to suppress weed growth.
    • Plant ground cover species to outcompete weeds.
  8. Adjust Watering Habits:
    • Water deeply and infrequently to encourage deep root growth in grass.
    • Shallow watering promotes weed growth.
  9. Solarization:
    • For a clean slate, try soil solarization.
    • Cover the area with clear plastic to heat the soil and kill weed seeds.
  10. Essential Oil Spray:
    • Create an essential oil weed killer by mixing oils like clove, cinnamon, or citrus with water.
    • Spray directly on weeds.

Remember, a combination of these methods will help you maintain a healthy lawn while keeping those pesky weeds at bay! 🌿🌱

What are some common ground cover plants that can prevent weed growth?

Ground cover plants serve as excellent natural weed suppressors. They not only add visual interest but also create a dense carpet of foliage that inhibits weed growth. Here are some common ground cover plants to consider:

  1. Creeping Juniper:
    • A dense evergreen that tolerates poor soil, drought, and strong layers that weeds cannot penetrate.
    • Recognizable by needle-shaped leaves and blue-colored berries.
    • Ideal for covering large surface areas and preventing weed growth.
  2. Ajuga (Bugle):
    • Thrives in shade and steadily creeps over the soil, placing roots in its path.
    • Leaves knit together to cover every inch, effectively suppressing weeds.
  3. Lily of the Valley:
    • Fragrant, bell-shaped white flowers.
    • Spreads rapidly, forming a lush ground cover.
    • Prefers partial to full shade.
  4. Creeping Thyme:
    • Low-growing herb with aromatic leaves.
    • Creates a fragrant carpet and prevents weed establishment.
    • Thrives in full sun.
  5. Mondo Grass:
    • Dark green, grass-like foliage.
    • Forms dense clumps and suppresses weeds.
    • Suitable for both sun and shade.
  6. Dead Nettle:
    • Colorful foliage with silver or variegated patterns.
    • Grows well in shade and inhibits weed growth.
  7. Creeping Phlox (Phlox Subulata):
    • Produces masses of colorful flowers in spring.
    • Spreads horizontally, covering the ground and preventing weeds.
    • Prefers full sun.

Remember to choose ground cover plants based on your specific conditions (sunlight, soil type, and climate) to ensure successful weed prevention. Happy gardening! 🌿🌱

What are some common pests that affect Zoysia grass lawns?

Zoysia grass is a hardy warm-season turfgrass, but it’s not immune to pests. Here are some common ones that can impact Zoysia lawns:

  1. Brown Patch:
  2. Chinch Bugs:
    • Description: Chinch bugs are tiny insects that can cause considerable damage to your lawn.
    • Effects: They inject a toxin into the grass, preventing it from absorbing water. This leads to yellow patches and eventual browning and death.
    • Prevention: Keep Zoysia healthy by fertilizing only when needed and watering in the morning after dew has dried. Fungicides are available for further control.
  3. White Grubs:
    • Description: White grubs are beetle larvae that feed on grass roots, leading to wilting and death.
    • Prevention: Regular maintenance, proper watering, and avoiding thick thatch help prevent white grub infestations.
  4. Hunting Billbugs:
    • Description: These weevils feed on grass roots, causing damage.
    • Prevention: Maintain a well-maintained lawn with minimal thatch to discourage billbugs.
  5. Sod Webworms:
    • Description: Larvae of lawn moths that chew grass blades.
    • Effects: They create brown patches and thinning areas.
    • Prevention: Proper lawn care and monitoring can help control sod webworms.
  6. Mole Crickets:
    • Description: Burrowing insects that disrupt grass roots.
    • Effects: They create tunnels and weaken the lawn.
    • Prevention: Use insecticides if mole crickets become a problem.

Remember to monitor your Zoysia lawn regularly and take preventive measures to keep these pests in check! 🌿🐜

What is the best way to control chinch bugs in my lawn?

Chinch bugs can indeed wreak havoc on your Zoysia grass lawn. Here are effective strategies to control them:

  1. Healthy Lawn Practices:
    • Regular Fertilization: Apply slow-release granular fertilizer 2 to 3 times a year between April 15 and October 1. Healthy grass is more resistant to pests.
    • Proper Watering: Water your lawn no more than 2 times a week, preferably less, based on need. Skip watering if you receive 1/2 inch or more of rain in a week.
    • Dethatching: Have your lawn dethatched about once every 2 years or when the thatch layer reaches 1/2 inch thick. Thatch buildup can attract chinch bugs.
  2. Choose Resistant Varieties:
    • Consider EMPIRE® Zoysia, which is resistant to chinch bugs.
    • Selecting resistant grass varieties can significantly reduce pest problems.
  3. Scout Regularly:
    • Inspect your lawn for signs of stress or damage.
    • Identify pests promptly and take action if needed.
  4. Natural Methods:
    • Insecticidal Soap: Use insecticidal soap or diatomaceous earth for small infestations.
    • Leaf Blower Removal: For minor infestations, use a leaf blower to dislodge chinch bugs.
    • Beneficial Insects: Attract beneficial insects by diversifying your landscape with native or Florida-friendly plants.
  5. Chemical Control (As a Last Resort):
    • Apply pyrethroid-based insecticides labeled for turf use.
    • Use chemicals only when chinch bugs are confirmed in high numbers and damage is evident.
    • Avoid overuse of broad-spectrum pesticides to prevent resistance.

Remember, a combination of these methods will help keep chinch bugs in check and maintain a healthy Zoysia lawn! 🌿🐜


Maintaining a lush Zoysia grass lawn requires effective weed control strategies. By combining pre-emergent herbicides, proper lawn care practices, and targeted treatments, you can keep your Zoysia lawn healthy and weed-free. Remember to choose the right products and follow best practices for optimal results.


What can I spray on Zoysia grass to kill weeds?

Consider using PBI/Gordon’s Speed Zone Lawn Weed Killer, a selective herbicide effective against common lawn weeds. It provides both post-emergent and pre-emergent control.

Will glyphosate kill Zoysia?

Yes, glyphosate (commonly found in products like Roundup) is a non-selective herbicide that will kill both weeds and Zoysia grass. Use it carefully to avoid damaging your lawn.

Can you spray 2,4-D on Zoysia grass?

2,4-D is a broadleaf herbicide that can harm Zoysia grass. Avoid using it directly on Zoysia lawns to prevent damage.

Will vinegar kill Zoysia grass?

Vinegar can be used as a natural weed killer, but it may also harm Zoysia grass. Exercise caution and apply it selectively to avoid damaging your lawn.

When can you put weed killer on Zoysia grass?

Apply pre-emergent herbicides in early spring before weed seeds germinate. For post-emergent control, treat actively growing weeds during their growth season.

How do you keep Zoysia grass from spreading?

Regular mowing, proper watering, and maintaining a dense turf can help prevent Zoysia grass from spreading excessively.

Is Zoysia weed-resistant?

While Zoysia grass is hardy, it is not completely immune to weeds. Proper care and weed control are essential for maintaining a healthy Zoysia lawn.

What are common weeds in Zoysia grass?

Common weeds in Zoysia lawns include crabgrassdandelions, and cloverRegular monitoring and targeted treatments are crucial for weed management.

Can you use Roundup on Zoysia grass?

Roundup (glyphosate) will kill both weeds and Zoysia grass. Use it selectively and avoid direct application to Zoysia lawns.

Is Image weed killer safe for Zoysia grass?

Image is a selective herbicide that targets broadleaf weeds. Follow label instructions carefully to avoid harming Zoysia grass.

Will Baking Soda Kill Zoysia Grass?

es, baking soda can kill zoysia grass. Baking soda, also known as sodium bicarbonate, is a natural herbicide. When applied to plants, it slows growth, damages leaves, and draws moisture away, making it difficult for the plant to thrive. Zoysia grass is susceptible to these effects due to its structure12.

How Do I Make My Zoysia Grass Greener?

To achieve lush, green zoysia grass:
Water Regularly: Provide about an inch of water per week during the growing season.
Use Zoysia-Specific Fertilizer: Apply a fertilizer designed for zoysia grass to enhance nutrient absorption.
Mow at the Right Height: Regular mowing at the recommended height promotes healthy growth.
Aerate the Soil: Aerating the soil helps nutrients reach the roots more effectively.
Mulch Bare Spots: Mulching prevents weed growth and maintains soil moisture.

What Is the Best Thing to Spray on Grass to Kill Weeds?

For spot treatment, consider using vinegar, which is a powerful and inexpensive weed killer. Apply it directly to weeds on a sunny day. Alternatively, use glyphosate-based herbicides for larger areas.

How Do You Kill Weeds in Dormant Zoysia Grass?

During dormancy, use non-selective herbicides like glyphosate to treat the entire lawn area. Apply while the grass is still green. Repeated applications may be necessary.

How Do You Keep Zoysia Grass From Spreading?

Install lawn edging (plastic or aluminum) to create boundaries.
Use non-selective herbicides to treat the entire lawn area.
Remove zoysia grass with a sod cutter if needed.

What Killed My Zoysia Grass?

Various factors can harm zoysia grass, including diseaseinsectsimproper care, or environmental stress. Identifying the specific cause requires closer examination.

What Is the Problem With Zoysia Grass?

While zoysia grass has many benefits, it can become invasive and spread rapidly. Its aggressive growth can invade neighboring lawns and gardens, requiring containment or removal.

Let’s dive into the related topics and address your queries about Zoysia grass, weed control, and fertilization:

  1. Best Weed Killer for Zoysia Grass:
    • PBI/Gordon’s Speed Zone Lawn Weed Killer: This fast-acting herbicide controls a wide range of common lawn weeds, including dandelion, clover, and creeping charlie. It provides both post-emergent and pre-emergent control.
    • The Andersons Barricade Professional-Grade: A granular pre-emergent weed control product that prevents weed seeds from germinating. Ideal for establishing new Zoysia lawns or maintaining existing ones.
  2. Common Weeds in Zoysia Grass:
    • Dandelion: Recognizable by its yellow blossoms, fluffy white seeds, and broad leaves. Hand-pulling is effective for removal.
    • Clover: Perennial broadleaf weed with deep taproots. Maintain thick Zoysia grass to prevent clover growth.
    • Lamb’s Tongue (Plantain): Resembles an animal’s tongue. Pull it out by hand to prevent spreading.
  3. Pre-Emergent Herbicides for Zoysia Grass:
    • Prodiamine: Effective water-soluble pre-emergent for herbicide sprayers.
    • The Andersons Barricade: Professional-grade granular pre-emergent suitable for broadcasting with any spreader.
  4. Fertilization for Zoysia Grass:
    • Scotts Green Max Lawn Food: Provides essential nutrients for a lush Zoysia lawn.
    • Miracle-Gro Water Soluble Lawn Food: Economical water-soluble option.
    • Simple Lawn Solutions Advanced 16-4-8 Balanced NPK: Balanced formula for overall lawn health.
    • Scotts Turf Builder Weed and Feed 3: Combines weed control with feeding.
    • The Andersons Professional PGF Complete 16-4-8: Ideal for alkaline soil.
    • Milorganite 32 lb. Slow-Release Nitrogen Fertilizer: Slow-release option with micronutrients.

Remember to choose the right products based on your specific lawn needs and follow label instructions for optimal results! 🌿🌱


The information shared in the previous responses is intended for general guidance and educational purposes only. While efforts have been made to ensure accuracy, individual circumstances may vary, and specific situations may require professional advice. Always consult with a qualified expert or specialist for personalized recommendations related to your specific lawn care, pest control, or other related matters. The use of any products or methods mentioned should be done at your own discretion and risk. Neither the assistant nor any affiliated parties are responsible for any consequences arising from the implementation of the suggestions provided.

Remember to exercise caution and seek professional advice when dealing with lawn care, pest control, or any other related activities. 🌿🌱

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