Yes—these concentrates tackle stubborn weeds like chickweed, clover, and oxalis without harming most common lawn grasses when used as directed. This guide highlights top options for homeowners and landscape managers seeking effective, root-level control. The top picks cover single-application concentrates, ready-to-use formulas, and gallon-size concentrates for larger lawns. The featured products are best for homeowners managing mixed weed pressure, turf varieties such as fescue, bluegrass, rye, and zoysia, or those needing reliable, fast-acting solutions.
Summary table of selected products:
| Product | Brand | Type | Best for |
|---|---|---|---|
| Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate, 16 fl. Oz | Ortho | Concentrate | Smaller to mid-size lawns needing fast, root-level control |
| Bonide Chickweed, Clover and Oxalis Killer, 16 oz Concentrate | Bonide | Concentrate | Weed lot with many broadleaf pests, roots killed with lawn safety |
| Ortho Chickweed, Clover and Oxalis Killer for Lawns Concentrate, 16 fl. oz | Ortho | Concentrate | Weed pressure up to 3,200 sq ft; spray-ready for DIYers |
| Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 32 Oz. (Pack of 2) | Ortho | Concentrate (pack) | Medium to large lawns needing multiple treatments or bigger area coverage |
| Ortho WeedClear Lawn Weed Killer Concentrate, 1 gal. | Ortho | Concentrate | Broad-spectrum control for many common lawn weeds, large acreage |
Ortho Weed B Gon Chickweed, Clover and Oxalis Killer for Lawns Concentrate
Best for homeowners with small to mid-size lawns looking for a targeted root-kill of chickweed, clover, oxalis, and creeping Charlie without stressing turf grasses. This concentrate claims root-level effectiveness and compatibility with common grasses like buffalograss, fescue, Kentucky bluegrass, ryegrass, and zoysiagrass when used as directed. Caution: follow dilution and application timing to prevent turf stress in extreme heat or drought conditions.
Key features include:
- Kills listed weeds to the roots, including chickweed, clover, creeping Charlie, and oxalis
- Safe for use on several cool- and warm-season grasses when applied as directed
- Suitable for lawns of various turf species
Best for: homeowners prioritizing a dependable, root-targeted solution that integrates with typical U.S. lawns. Limitations: performance can vary with irregular rainfall or high temperatures; apply under appropriate weather windows.
Bonide Chickweed, Clover and Oxalis Killer, 16 oz Concentrate
This concentrate is designed to kill chickweed, clover, oxalis, and other broadleaf weeds with roots intact, while safe for use on many lawn grasses when applied as directed. It is suited for users who want a broader label that covers more weed species beyond chickweed and oxalis. Best for: lawns facing multiple weed challenges, including dandelions and ground ivy. Caution: product requires proper mixing before application; premixed ready-to-use options are available if preferred.
Key features include:
- Eliminates chickweed, clover, oxalis, and over 100 other weeds per label
- Designed to protect lawn grasses when used as directed
- Concentrate that requires dilution before spraying
Best for: gardeners who want a broad-spectrum weed control option that remains safe for lawn grasses. Choose this if you need a versatile weed killer beyond the core trio. Limitation: you must mix before use, which adds a step to application.
Ortho Chickweed, Clover & Oxalis Killer for Lawns Concentrate
This 16 fl. oz. concentrate is formulated to treat up to 3,200 sq ft of lawn with a single container, making it convenient for mid-sized lawns. The product is designed to kill weeds to the roots while remaining safe for turf grasses when used as directed. It also targets creeping Charlie and wild violet as part of its weed spectrum. Best for: users who want a spray-on concentrate with a clearly defined area coverage. Caution: ensure temperature is below 90°F during application for optimal results.
Key features include:
- Controls chickweed, clover, oxalis, creeping Charlie, and wild violet
- Broad lawn safety when used as directed on Buffalograss, fescues, bluegrass, ryegrass, and zoysiagrass
- Treats up to about 3,200 sq ft per bottle
Best for: DIYers who want a straightforward concentrate with predictable coverage. Better for smaller lawns or targeted spot treatments. Limitation: performance depends on correct dilution and weather conditions.
Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns (32 Oz Pack)
In this pack of two, the product targets chickweed, clover, and oxalis with root-level action. It’s best for larger yards or for users who want a supply that lasts through multiple treatments. Best for: homeowners seeking extended coverage and value for routine weed control. Caution: follow label instructions to avoid lime or soil pH interactions that might limit effectiveness in extreme conditions.
Key features include:
- Kills weeds to the roots, including chickweed, clover, and oxalis
- Designed to avoid harm to most common grasses when used as directed
- Pack of 2 for larger-area treatment and cost efficiency
Best for: households with space to manage multiple applications over time or frequent weed pressure. Choose this if you want a cost-effective option for larger lawns. Limitation: ensure you have a sprayer ready to apply concentrated solutions properly.
Ortho WeedClear Lawn Weed Killer Concentrate
Ortho WeedClear is a broad-spectrum lawn weed killer designed to kill over 250 listed weeds, including dandelion and clover, while preserving lawn health when used as directed. It’s appropriate for larger lawns and landscapes where a versatile, fast-acting product is preferred. Best for: users who want a robust weed-control option that can tackle many common lawn invaders in one product. Caution: dilution accuracy and timing are crucial for best results; avoid applying during peak heat or drought stress.
Key features include:
- Kills dandelion, clover, and other common lawn weeds
- Treats large areas; suitable for extensive lawns
- Concentrate designed for use with sprayers or compatible Ortho applicators
Best for: lawn owners needing a flexible, wide-spectrum option that covers many weed species. Choose this if you want a single concentrate capable of handling diverse weed challenges. Limitation: ensure you follow label instructions for dilution and application windows to maximize effectiveness.
Buying Guide: Key Considerations for Chickweed, Clover & Oxalis Weed Killers
What type of product should I choose?
Choose concentrates if you have a sprayer and want control over dilution and coverage. Ready-to-use formats are more convenient but usually require larger volumes for the same area. For larger lawns, consider gallon-size concentrates or multi-pack options to reduce trips to the hardware store.
Will these products harm my lawn?
All recommended products are formulated to spare many common grasses when used as directed. Always read the label for turf compatibility, dilution rates, and application times. Avoid applying during extreme heat, drought, or on stressed turf to minimize damage risk.
What weeds are targeted?
The included products primarily target chickweed, clover, and oxalis, along with related broadleaf weeds. Some formulations also cover creeping Charlie, wild violet, dandelion, crabgrass, and other common lawn invaders. If your weed spectrum is broader, opt for a product advertised as multi-weed or broadleaf coverage.
How much area can I treat?
Coverage varies by product and dilution. Single 16 oz concentrates often cover around 3,200 sq ft, while larger bottles or packs cover more area. For very large lawns, multi-bottle packs or 1-gallon concentrates may be more economical and time-efficient.
What about application timing and weather?
Most products work best when weeds are actively growing and temperatures stay below 90°F. Avoid applying before/after rainfall, and ensure the lawn is not stressed by heat, drought, or compaction. Use a compatible sprayer and calibrate for even distribution to prevent patchy results.
Safety and disposal considerations
Wear protective clothing as recommended by the label. Store products away from children and pets, and clean equipment according to label directions after use. Do not mix with incompatible chemicals unless the label permits such use.
Frequently Asked Questions
- Are these products safe for grass when used as directed? Yes, the products are formulated to kill broadleaf weeds while protecting common lawn grasses when used according to label directions.
- Which product is best for a small lawn? A 16 oz concentrate like Ortho Weed B Gon or Ortho Chickweed, Clover & Oxalis Killer offers targeted control for smaller areas with straightforward mixing and application.
- Can I use these on zoysiagrass or Kentucky bluegrass? Most listed products specify suitability for grasses such as buffalograss, fescues, Kentucky bluegrass, ryegrass, and zoysiagrass when applied as directed.
- Do these kill roots, or just surface weeds? The products are described as killing weeds to the roots when used as directed, providing longer-lasting suppression and preventing quick weed regrowth.
- What if I have a very large lawn? Consider gallon-size concentrates, multi-bottle packs, or combined schedules to cover more square footage efficiently and reduce the total application time.
- Are there any safety tips I should follow? Apply during mild weather, avoid stressed turf, use proper protective gear, and follow label instructions for mixing, application rate, and timing.