Scotts Turf Builder Halts Crabgrass Preventer with Lawn Fertilizer

In this review of Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food, the bottom line is simple: this product is for homeowners who want a one-step early-spring treatment that both stops crabgrass and gives a fast green-up. The reviewer found it most useful when applied to a dry lawn before the third or fourth mowing, delivering season-long prevention against listed grassy and broadleaf weeds while supplying fertilizer to help grass recover from winter. The single biggest reason to buy is the combined pre-emergent and fertilizer formula that protects and feeds in one application.

Key Features

• Pre-emergent weed control: Prevents crabgrass and other listed weeds before they sprout so the lawn stays cleaner throughout the growing season.
• Added fertilizer: Feeds grass for a fast green-up after winter, helping established turf regain color and vigor quickly.
• Broad weed protection: Stops not only crabgrass but listed weeds such as barnyard grass, foxtail, Poa annua, chickweed, and oxalis for wider control.
• Easy spring timing: Apply in early spring to a dry lawn prior to the 3rd or 4th mowing when daytime temperatures are routinely below the 80s for reliable performance.
• Weather-tolerant after application: Rain, snow, or a brief freeze after spreading will not reduce effectiveness, so the schedule is flexible around spring weather.

Who It's For

Scotts Turf Builder Halts is aimed at homeowners with cool- or warm-season lawns who want a preventive approach rather than chasing crabgrass later in the season. It is especially useful for those who prefer a single early-season pass that also feeds the turf and who plan to use a broadcast or drop spreader for uniform coverage.

It is not appropriate for lawns dominated by Dichondra or Bentgrass, where application should be avoided, or for gardeners who need a post-emergent crabgrass killer. If you need treatment for existing, mature crabgrass or have those sensitive turf types, look for a product formulated for post-emergent control or safe use on those species.

Pros & Cons

Pros

• Combines a pre-emergent with fertilizer so you prevent weeds and feed grass in one application.
• Covers a full 5,000 sq ft from a single 13.35 lb bag, making it convenient and cost-effective for many yards.
• Prevents a useful list of grassy and broadleaf weeds, reducing the need for multiple products.
• Works reliably even if spring weather includes rain or a late freeze after application.

Cons

• Not safe for Dichondra or Bentgrass lawns, so homeowners with those grass types must avoid it.
• Only a preventive product, so it will not control established crabgrass already visible.

Specifications

Our Verdict

Scotts Turf Builder Halts Crabgrass Preventer with Lawn Food is a practical choice for most homeowners seeking a preventive spring treatment that also feeds the lawn. It offers good coverage, broad weed prevention, and convenient application settings for Scotts spreaders, making it a solid value if you want to avoid crabgrass before it starts and encourage an early green-up.

Frequently Asked Questions

When should I apply this product?
Apply in early spring to a dry lawn prior to the third or fourth mowing and before daytime temperatures regularly reach the 80s.

Will rain affect performance after application?
No, rain, snow, or a short freeze after application will not affect the product's performance.

Can I use this on Bentgrass?
No, do not apply this lawn care product to Bentgrass or Dichondra.