Maintaining a healthy Zoysia grass lawn requires effective prevention of weeds before they emerge. Pre emergent herbicides are essential for stopping pesky weeds like crabgrass and broadleaf weeds early on. This article reviews the best pre emergent products specifically beneficial for Zoysia grass. Below is a summary table highlighting key features of selected top-rated products for convenient comparison.
| Product | Brand | Target Weeds | Coverage Area | Formulation |
|---|---|---|---|---|
| Scotts WeedEx Prevent with Halts | Scotts | Crabgrass, chickweed, henbit, Poa annua | 5,000 sq. ft. | Granular |
| Prodiamine 65 WDG Pre-emergent | Quali-Pro | Crabgrass, Poa annua, goosegrass, henbit, and more | Varies | Water dispersible granule |
| Syngenta Barricade 4FL Herbicide | Syngenta | Crabgrass, chickweed, oxalis, Poa annua, spurge | Varies | Liquid concentrate |
| Mesotrione Weed Killer Concentrate | Petra | Crabgrass, dandelion, clover, yellow nutsedge | Varies | Liquid concentrate |
| Liquid Harvest Mesotrione Herbicide | Liquid Harvest | Crabgrass, chickweed, clover, dandelion | Varies | Liquid concentrate |
Scotts WeedEx Prevent with Halts – Pre-Emergent Crabgrass Control
Scotts WeedEx Prevent with Halts is designed to keep crabgrass from invading your Zoysia lawn throughout the season. Its granular formula prevents grassy weeds before they start growing. Best applied in early spring, it can also be used in the fall to tackle winter annual weeds like Poa annua, henbit, and chickweed. The product covers up to 5,000 sq. ft., making it suitable for medium-sized lawns. It is effective when applied before weeds germinate and provides season-long protection. The granular application ensures even distribution over dry lawns, promoting healthy grass growth without harmful chemicals.
Prodiamine 65 WDG Pre-Emergent Weed Control by Quali-Pro
This Prodiamine 65 WDG pre-emergent herbicide provides broad-spectrum weed control for both grassy and broadleaf weeds. It targets a long list of weed species including crabgrass, barnyardgrass, chickweed, Poa annua, and henbit, ideal for well-established turfgrass like Zoysia. The water dispersible granule formulation allows for easy mixing and application with standard sprayers. It is suitable for use on turf, ornamentals, perennials, and sod nurseries. Its versatility and wide pest control spectrum make it a strong candidate for managing weeds across multiple landscapes.
Syngenta Barricade 4FL – Long Lasting Pre-Emergent Herbicide
Syngenta Barricade 4FL offers a long-lasting solution to prevent a wide range of weeds before their germination. It controls crabgrass, chickweed, oxalis, Poa annua, spurge, and more, with one application providing season-long protection. Best applied before soil temperatures reach 55°F, this liquid concentrate is effective on residential lawns, production ornamentals, and landscape shrubs. Its selectivity and prolonged residual activity make it ideal for homeowners desiring extensive control with minimal applications.
Petra Mesotrione Concentrate – Post & Pre Emergent Lawn Weed Killer
Petra Mesotrione Weed Killer Concentrate serves both pre-emergent and post-emergent functions, targeting stubborn lawn weeds such as crabgrass, dandelion, clover, and yellow nutsedge. Its liquid formulation allows easy spray application ensuring uniform coverage. It helps keep spring seeding zones free from unwanted weeds and offers broad-spectrum control for established lawns. This herbicide is beneficial for those needing a versatile product capable of addressing ongoing weed issues alongside preventive care.
Liquid Harvest Mesotrione Herbicide – Concentrated Pre & Post Emergent
Liquid Harvest Mesotrione offers a potent herbicide formula effective against 46 broadleaf species and grassy weeds like crabgrass, chickweed, clover, and dandelion. This liquid concentrate is suitable for use on multiple turf grass types, though it is not recommended for Zoysia. It delivers rapid absorption and requires activation by water for optimal results. Its versatility includes use on Kentucky Bluegrass, Buffalo grass, and others, providing both pre-emergent and post-emergent weed control capabilities for a healthy lawn.
Buying Guide for Pre Emergent Herbicides for Zoysia Grass
Choosing the right pre emergent weed killer for your Zoysia grass lawn involves several important factors to consider:
1. Compatibility With Zoysia Grass
Not all pre emergent herbicides are safe for Zoysia grass. Verify that the product specifically mentions suitability for Zoysia or warm-season grasses to avoid damage.
2. Targeted Weeds
Effective prevention depends on the specific weed species around your lawn. Look for products that target common pests such as crabgrass, Poa annua, chickweed, and oxalis, which commonly infiltrate Zoysia lawns.
3. Application Timing
Apply pre emergents when soil temperatures reach critical thresholds (generally 50-55°F) before weed seed germination. Early spring is usually the best time, but fall application may be needed for winter weeds.
4. Coverage Area and Formulation
Consider the size of your lawn and select a product with sufficient coverage. Granular forms are easy for homeowners to spread evenly, while liquid concentrates might provide more precise application via sprayers.
5. Duration of Effectiveness
Long-lasting control reduces the need for repeated applications. Some products offer residual control for a season, while others require multiple treatments during the growing season.
6. Ease of Use
Choose formulations and packaging that match your application tools and lawn care schedule. Granules often need dry lawn surfaces, while liquids require dilution and spraying.
7. Safety and Environmental Impact
Review product labels for safety instructions regarding pets, children, and water sources. Opt for certified products with minimized environmental risks and follow recommended application rates.
By examining these factors, lawn care enthusiasts can select the best pre emergent herbicide tailored to their Zoysia grass lawn’s unique conditions and weed control needs.