For homeowners with St. Augustine grass, a weed-and-feed fertilizer can simplify lawn care by combining weed control with fertilizer. The right product helps suppress common weeds while feeding St. Augustine varieties like Floratam, ensuring a thick, healthy turf. The following selections highlight blends designed for St. Augustine lawns, offering ease of use, proven results, and coverage options for medium to larger yards. The list below compares key features to aid in choosing an effective weed-and-feed solution.
Summary of chosen products
| Product | Brand | Coverage / Size | Notable Feature |
|---|---|---|---|
| Sunniland St.Augustine Weed & Feed Lawn Fertilizer | Generic | 5000 sq ft | Two seasonal applications, easy granules |
| LESCO 50 lb. St. Augustine Grass Weed and Feed | LESCO | 50 lb bag, 13,000 sq ft | Professional-grade formulation, slow release |
| Southern Ag 006130 Atrazine St. Augustine Weed Killer | Southern Ag | 1 quart treats 3,720 sq ft | Targeted weed control for St. Augustine |
| GreenView Fairway Formula Spring Fertilizer Weed and Feed | Greenview | 5,000 sq ft (18 lb bag) | Crabgrass preventer included |
| Ferti-Lome Winterizer and Weed Preventer II | VPG | For southern grasses, coverage varies | Crabgrass control with nutrient mix |
Sunniland St.Augustine Weed & Feed Lawn Fertilizer
Sunniland St.Augustine Weed & Feed is designed specifically for St. Augustine lawns. The product features easy-to-spread granules that simplify application and can be used on all St. Augustine varieties. The kit supports two applications—one in the spring and one in the fall—helping to manage broadleaf weeds while providing essential nutrients to the turf. The formulation aims to improve lawn vigor and suppress common weeds without damaging the grass when used as directed.
LESCO 50 lb. St. Augustine Grass Weed and Feed
LESCO’s St. Augustine Weed and Feed is a professional-grade solution, available in a 50 lb bag to cover large areas, up to about 13,000 sq ft. The formulation includes a balanced nutrient mix and is designed for St. Augustine turf, including Floratam varieties. It provides slow-release nitrogen for extended feeding, with a focus on delivering visible results within roughly two weeks after application. The product’s packaging emphasizes compatibility with wet-turf conditions and subsequent drying periods to maximize efficacy.
Southern Ag Atrazine St. Augustine Weed Killer
This product focuses on weed control specifically for St. Augustine and centipede grasses. The container is a quart, treating approximately 3,720 sq ft, with a focus on effectiveness against common broadleaf and grassy weeds. Atrazine-based formulations require careful application according to label directions to protect desirable turf and nearby ornamentals. This option is suitable for targeted weed management in established lawns.
GreenView Fairway Formula Spring Fertilizer Weed and Feed
GreenView’s Fairway Formula blends fertilizer, weed control, and a crabgrass preventer in one easy application. It covers up to 5,000 sq ft and is designed to kill over 200 broadleaf and grassy weeds while feeding the lawn. The product’s crabgrass preventive properties help reduce new weed growth for several months, offering long-lasting protection for St. Augustine grass. The formula emphasizes a balanced nutrient profile to promote healthy turf density and root development.
Ferti-Lome Winterizer and Weed Preventer II
Ferti-Lome Winterizer and Weed Preventer II is a Southern grasses product line that includes options suitable for St. Augustine lawns. It emphasizes a blend of nutrient delivery with crabgrass control and pre-emergent properties, helping to maintain lawn health through the off-season and into warmer periods. The formulation includes essential micronutrients and a standard nitrogen component intended to support a vigorous green lawn while limiting weed establishment.
The Andersons Premium Weed and Feed 24-0-16
The Andersons Premium Weed and Feed delivers both quick- and slow-release nitrogen to support rapid green-up and extended feeding. It covers up to 5,000 sq ft and claims broad-spectrum weed control against dandelions and numerous other broadleaf weeds. This product is designed for routine lawn maintenance and aims to balance weed suppression with steady nutrient supply for St. Augustine turf.
Spectracide Weed And Feed 20-0-0 (6 pack)
Spectracide’s 20-0-0 weed-and-feed family includes a quickflip hose-end sprayer option, allowing convenient application across multiple lawn areas. The formulation emphasizes a dual-action approach: weed control while fertilizing the lawn, targeting broadleaf weeds such as dandelion and chickweed, and similar turf nuisances. The 20% nitrogen content provides a steady nutrient supply to supported St. Augustine turf.
Buying Guide: Key Purchase Considerations
- Grass type compatibility: Confirm the product is formulated for St. Augustine varieties (Floratam, Seville, etc.).
- Weed targets: Identify the predominant weeds in your lawn (dandelions, clover, crabgrass) and select a product with proven efficacy against those species.
- Application timing: Some products are designed for spring/fall use, others for year-round or off-season protection. Adhere to label guidelines regarding grass moisture, temperature, and mowing conditions.
- Coverage and bag size: Choose a product that matches your lawn size to minimize waste and ensure even distribution.
- Nitrogen and nutrient balance: Consider nitrogen content and micronutrients to optimize turf color, health, and resilience without encouraging excessive growth or runoff.
- Crabgrass prevention: If crabgrass is a concern, look for formulations that include pre-emergent or prevention properties for extended protection.
- Safety and compatibility: Check for safety for children and pets after application, and ensure compatibility with any adjacent ornamentals or nearby grasses.
When selecting a weed-and-feed product for St. Augustine turf, homeowners should balance weed control strength with turf safety, ensure compatible coverage for their yard size, and follow label directions for the best results. Considering products with a track record for St. Augustine grasses can help achieve a denser, healthier lawn while managing common weed challenges.