Emerald Zoysia is prized for its dense, vibrant turf, but maintaining its pristine appearance requires effective weed control. Choosing the right weed killer ensures unwanted plants are eliminated without damaging this fine-textured grass. This guide provides targeted solutions for Emerald Zoysia lawns.

Emerald Zoysia is sensitive to many herbicides, so selective products are essential to preserve turf health.

From pre-emergent options to post-emergent sprays, we explore safe and effective solutions. Learn application timings, active ingredients, and performance expectations.

Below are the top 10 best weed killers for Emerald Zoysia, selected for their safety and efficacy. We assess each product’s strengths, ease of use, and suitability for Emerald Zoysia grass.

Whether you have broadleaf weeds, grassy weeds, or a mix, there’s a solution tailored for your lawn.

Top 10 Best Weed Killers for Emerald Zoysia

1. Tenacity Herbicide

Tenacity contains mesotrione and can be used both pre- and post-emergently on Emerald Zoysia. It controls a wide range of weeds without harming the turf. Temporary bleaching of grass blades may occur.

Apply with a non-ionic surfactant during early spring or fall. Follow dilution rates carefully. Rainproof in 1 hour.

Ideal for mixed weed infestations. Great for overseeding situations. Temporary discoloration fades within weeks.

2. Ortho Weed B Gon Lawn Weed Killer

This selective herbicide targets broadleaf weeds such as clover and dandelions. Contains 2,4-D, dicamba, and MCPP. Safe for Emerald Zoysia when used as directed.

Apply during active growth in spring or early summer. Rainproof in one hour. Visible results in a few days.

Use a hose-end sprayer for large areas. Avoid mowing 1–2 days after application. Keep children and pets off treated lawn until dry.

3. Southern Ag Amine 2,4-D Weed Killer

This concentrate is ideal for controlling broadleaf weeds without harming Emerald Zoysia. Dilute and apply with a tank sprayer. Best used in calm, daytime temperatures.

Rainproof in 6 hours and visible results in 7–10 days. Avoid use during drought or extreme heat. Mix well before application.

Keep pets off treated areas until dry. Wear protective gear during use. Store away from food and water sources.

4. Spectracide Weed Stop for Lawns

Contains 2,4-D, dicamba, and MCPP for broadleaf weed control. Safe for Emerald Zoysia when applied on sunny spring or fall days. Comes in trigger-spray or concentrate form.

Rainproof in 6 hours with visible decline in weeds within days. Spot treat or broadcast spray over weeds. Works well on large lawns.

Do not mow two days before or after treatment. Store out of direct sunlight. Use gloves and eye protection.

5. Illinois State Lab Q4 Plus Herbicide

This professional-strength selective herbicide is formulated for fine turf like Emerald Zoysia. Controls tough broadleaf weeds and dollarweed. Use with a low-pressure sprayer.

Wait for optimal growing conditions before applying. Do not apply when turf is under stress. Rainproof in 4 hours.

Requires certification for purchase. Retailers specializing in turf care stock it. Excellent for integrated weed programs.

6. Strawberries & Clover (2,4-D + Dicamba)

A targeted broadleaf weed killer safe for Emerald Zoysia. Treats clover, chickweed, and dandelions. Typically mixed with water before application.

Apply in cool morning or evening hours. Visible results within 3–5 days. Rainproof timeframe may vary.

Great for maintaining turf integrity. Less risk of turf burn. Repeat as needed for persistent weeds.

7. Gordon’s SpeedZone Lawn Weed Killer

Fast-acting formula that controls tough weeds within 24 hours. Includes carfentrazone, 2,4-D, MCPP, and dicamba. Works well on Emerald Zoysia in spring and fall.

Use in temperatures below 85°F to avoid stress. Mix with water in a sprayer tank. Keep area free of rain during application.

May cause slight turf whitening. Excellent for quick spot treatment. Read label thoroughly before use.

8. BioAdvanced All-in-One Lawn Weed & Crabgrass Killer

This dual-action formula kills broadleaf and grassy weeds without harming Emerald Zoysia. Contains quinclorac, 2,4-D, and dicamba. Best for mixed weed infestations.

Apply under mild temperatures below 85°F. Rainproof in one hour. Avoid use on newly seeded areas.

Use a hose-end sprayer for whole lawn coverage. Keep treated grass clear for 24 hours. Excellent for spring treatment.

9. Green Gobbler 20% Vinegar Weed & Grass Killer

Natural and OMRI-listed broad-spectrum option. Safe for spot treatments on Emerald Zoysia when used carefully. Best on younger weeds.

Apply on sunny days for higher effectiveness. Visible burning in hours. Not rainproof.

Multiple applications recommended. Avoid spraying turf directly. Use protective gloves.

10. Preen Garden Weed Preventer

Pre-emergent that stops weed seeds from germinating around Emerald Zoysia beds. Works up to three months. Safe when applied properly.

Apply after weeding and before new growth. Lightly water for activation. Not effective on existing weeds.

Great as part of turf management routine. Use in early spring. Gloves recommended during application.

Buyer’s Tips for Emerald Zoysia Weed Control

1. Match the Herbicide Type: Use selective broadleaf herbicides for Emerald Zoysia. Non-selective products will harm your turf.
2. Timing is Key: Apply post-emergent products in spring and early fall when the grass is actively growing.
3. Use Proper Equipment: Use low-pressure sprayers with drift guards for precise application.
4. Monitor Lawn Stress: Avoid application during drought or heat stress to prevent turf damage.
5. Follow Label Instructions: Always adhere to mixing rates, safety PPE, and re-entry intervals.
6. Combine Methods: Use pre-emergent options in spring and post-emergent treatments as needed.
7. Keep Pets and Kids Safe: Restrict access until products have fully dried on lawn.

Best Weed Killer For Emerald Zoysia (FAQs)

1. Can Tenacity damage Emerald Zoysia? Temporary whitening can occur, but it recovers within a few weeks.
2. Is 2,4-D safe on Emerald Zoysia? Yes, when used at recommended rates and timing.
3. Should I overseed after treatment? Overseed only in fall when grass is recovering from weed pressure.
4. How often should I apply? Spot treatments may require multiple applications every 4–6 weeks.
5. Can I mix pre- and post-emergent? Yes—just wait until pre-emergent has settled before spraying post-emergent.
6. Will vinegar kill weeds without turf damage? Only surface weeds; systemic roots may survive.
7. When is the best time to treat? Early spring and early fall are the safest and most effective.

Conclusion

Maintaining Emerald Zoysia requires weed control products that are both safe and effective. Selective solutions like Tenacity and Lawn Weed B Gon are the best options for tackling broadleaf weeds and crabgrass without damaging your turf.

Use correct timing, equipment, and safety precautions to ensure optimal results. Regular monitoring and targeted treatments will help your Emerald Zoysia stay lush, healthy, and weed-free all season long.