Finding an effective dollar weed killer involves balancing efficacy, coverage, and lawn safety. The following selections focus on products that target dollarweed and common broadleaf weeds while considering Southern and general lawn types. Use as directed and follow label instructions for best results. Below is a quick product snapshot, followed by in-depth sections and a practical buying guide.
| Product | Brand | Size/Area | Notes |
|---|---|---|---|
| BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns | BioAdvanced | 10 LB, treats 4,000 sq ft | Kills listed broadleaf weeds; prevents grassy and broadleaf weeds up to 6 months; optimized for Southern lawns |
| Fertilome Dollar Weed Control | ferti-lome | 17 lbs | Selective broadleaf weed control; treats about 5,000 sq ft |
| Southern Ag Atrazine St. Augustine Weed Killer | Southern Ag | 32 oz | Controls weeds in St. Augustine lawns; easy quart-size application |
| Ortho WeedClear Lawn Weed Killer Ready-to-Spray | Ortho | 32 fl oz | Kills 250+ listed weeds; safe on many grasses when used as directed |
| BioAdvanced Weed Killer for Lawns (Concentrate) | BioAdvanced | 32 oz | Kills over 200 broadleaf lawn weeds; root-killing action |
Note: Always read the product label for turf type, application rates, and safety guidelines to ensure compatibility with your lawn’s species (e.g., St. Augustine, Centipede, Bermudagrass). This guide presents a range of options to address dollarweed and related weeds in American lawns.
BioAdvanced Season Long Lawn Weed Killer + Preventer for Southern Lawns
BioAdvanced Season Long Lawn Weed Killer + Preventer targets listed broadleaf weeds such as Dandelion, Clover, Chickweed, Dollarweed, and Henbit for up to six months. It also provides weed preventer benefits for up to six months, including protection against Crabgrass and several other grassy weeds. The product is designed specifically for Southern lawns, treating up to 4,000 square feet of St. Augustinegrass and Floratam varieties. When used as directed, it offers broad weed control with extended residual protection, making it a convenient option for homeowners seeking a season-long solution.
Fertilome Dollar Weed Control
Fertilome Dollar Weed Control is designed as a selective broadleaf weed herbicide effective against annual, biennial, and perennial weeds in lawns. It targets weeds like Chickweed, Clover, Dandelion, Dollar Weed, and English Lawn Daisy, with a 17-pound bag capable of treating approximately 5,000 square feet. This option emphasizes targeted weed-killing action without broad lawn damage, suitable for homeowners seeking a sizeable bag and broad-spectrum broadleaf control.
Southern Ag Atrazine St. Augustine Weed Killer
Southern Ag Atrazine Weed Killer is a selective herbicide designed for St. Augustine and Centipede grasses. The quart-sized formula treats approximately 3,720 square feet and targets a range of weeds commonly found in warm-season lawns. Atrazine-based products are known for their effectiveness against grassy and some broadleaf weeds, making this an attractive option for homeowners with St. Augustine lawns seeking a reliable, easy-to-apply solution.
Ortho WeedClear Lawn Weed Killer Ready-to-Spray
Ortho WeedClear Lawn Weed Killer Ready-to-Spray is a fast-acting solution that targets dandelion, dollarweed, chickweed, clover, and more. It’s formulated to kill over 250 listed weeds while minimizing damage to established lawns when used as directed. The product supports broadcast applications across many warm- and cool-season grasses, including common turf types in American homes. Results can appear within hours, providing a quick route to a weed-free lawn without extensive reseeding or reseeding concerns.
BioAdvanced Weed Killer for Lawns, Concentrate
BioAdvanced Weed Killer for Lawns, Concentrate provides broad-spectrum control, with claims of killing over 200 broadleaf lawn weeds, including clover and dandelion, and offering root-killing action. The concentrate form supports a customizable application based on lawn size, enabling homeowners to scale usage to their yard. Easy application is highlighted, with emphasis on effective weed elimination while aiming to protect the desired turf.
Image Weed Killer Concentrate 32 Oz.
Central Garden & Pet Co’s Image Weed Killer Concentrate targets the toughest weeds down to the root, including Dandelion, Chickweed, Clover, Dollarweed, and Spurge. It provides quick action with visible results in hours and is designed for broadleaf weed control across established warm- and cool-season turfgrasses. This option emphasizes versatile use and rapid feedback for homeowners seeking efficient weed management with a concentrate format.
Roundup Weed and Grass Killer with Pump N Go
Roundup Weed and Grass Killer is a broad-spectrum option designed to kill tough weeds and grasses to the root, including dandelion, crabgrass, poison ivy, and clover. The Pump ‘N Go sprayer provides convenient application, and the product offers a relatively fast rainproof window and quick results. It is suitable for use around flower beds and trees, though lawn compatibility should be confirmed per label directions.
Hi-Yield Atrazine Weed Killer
Hi-Yield Atrazine Weed Killer targets Annual Bluegrass and Chickweed in St. Augustine and Centipede grasses. Atrazine-based products offer effective control for specific turf classes, though users should ensure compatibility with their lawn variety and follow label instructions to minimize any potential turf stress. This option suits those with St. Augustine or Centipede lawns seeking targeted control with Atrazine chemistry.
Buying Guide: Key Purchase Considerations
- Grass type compatibility: Confirm the product is labeled for your lawn variety (St. Augustine, Centipede, Bermudagrass, etc.) to avoid turf damage.
- Weed spectrum: Identify whether you need broadleaf weed control (dandelion, clover, dollarweed) or grass weeds, and choose a product with the appropriate spectrum.
- Residual effect: Some products offer season-long prevention (e.g., up to 6 months) while others provide immediate knockdown. Decide which aligns with your goals.
- Application method: Ready-to-spray solutions are convenient, while concentrates require mixing. Consider ease of use, equipment, and coverage area.
- Safety and reentry: Review labels for any reentry intervals and required protective gear to protect children, pets, and wildlife.
- Environmental impact: Some herbicides may affect nearby ornamentals or water sources. Apply with caution and follow buffer guidelines where provided.
- Cost efficiency: Compare coverage per square foot and bag size to determine long-term value for your lawn size.
- Resistance management: Rotate among chemistries when possible and follow label rotations to reduce weed resistance risks.
In selecting a product, homeowners should balance immediate weed control with long-term lawn health. For southern lawns with Floratam or St. Augustine varieties, products explicitly labeled for Southern grasses may offer improved performance and reduced turf stress. Always read and follow label directions, including application timing, humidity, and irrigation requirements, to achieve the best outcomes without compromising lawn health.