10 Best Pre Emergent For Zoysia Grass 2025 in the United States

Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food is a comprehensive solution for those looking to protect their zoysia grass from crabgrass while also fertilizing their lawn. One of the standout features is its dual function, combining a crabgrass preventer and a lawn food, which stops crabgrass before it can invade while also feeding your lawn for a quick green-up after winter. This is particularly beneficial for zoysia grass which can sometimes struggle to regain its lush appearance after colder months.

Additionally, the product's performance is not affected by rain, snow, or freezing conditions post-application, providing peace of mind in variable weather conditions. For optimal results, it’s recommended to water the lawn with 1/4 to 1/2 inch of water within 2-3 days of application. However, it's important to note that this product is not suitable for use on dichondra or bentgrass lawns.

The granule form makes it easy to apply, and with a coverage area of up to 15,000 square feet per pack (two packs included), it's a cost-effective option for larger lawns. On the downside, potential users should be cautious about the environmental impact and safety measures associated with chemical lawn treatments. Always follow the manufacturer's guidelines to minimize any adverse effects. This product is designed for a specific type of lawn care need and performs well in that niche.

The Preen Garden Weed Preventer is a granular product that comes in a 22 lb. bag, which can cover up to 3,520 square feet. It is designed to stop weeds from sprouting for up to three months, which can save a lot of time and effort on hand-weeding.

This weed preventer is versatile as it can be used around over 200 established flowers, vegetables, trees, and shrubs. One convenient aspect is that it can serve as a refill for a flip-top applicator, making it easy to apply. Additionally, it can be applied at any time during the spring, summer, or fall, offering flexibility in scheduling your garden maintenance.

It is important to note that this product is not suitable for use on lawns, so it wouldn't be appropriate for zoysia grass if you were looking to apply it directly on the lawn. In terms of safety and environmental impact, users should follow the manufacturer's guidelines to ensure it's used correctly around desirable plants and to minimize any negative effects. While highly effective, potential buyers should be aware that it may not address all types of lawn weeds, given its restriction against use on lawns.

The Scotts Halts Crabgrass & Grassy Weed Preventer is a granular pre-emergent weed killer designed to prevent various types of weeds, including crabgrass, foxtail, and chickweed. One of its main strengths is its broad coverage area of up to 10,000 sq. ft., making it suitable for large lawns. Additionally, it can be applied in either early spring or fall, providing flexible application times. This product is safe for most grass types, including Zoysia grass, which makes it versatile for different lawns.

However, it should not be used on Dichondra or Bentgrass, limiting its use for some specific lawns. Another advantage is its resistance to weather conditions; rain, snow, or freezing temperatures won't impact its effectiveness once applied. On the downside, as with many chemical-based products, environmental impact and safety concerns should be considered, particularly around pets and children. The 20.12 lbs. bag may also be cumbersome for some users to handle.

This product is ideal for users looking to maintain a weed-free lawn with minimal hassle, provided they adhere to safety guidelines and correct application timing.