Oxalis, commonly known as yellow wood sorrel, can be stubborn in lawns. The right weed killer targets oxalis at the root while protecting your turf. Below are five well-regarded products designed to control oxalis and other broadleaf weeds, with practical guidance on use, safety, and lawn compatibility.
| Product | Brand | Type | Form | Approx. Coverage |
|---|---|---|---|---|
| Ortho Weed B Gon Chickweed, Clover & Oxalis Killer | Ortho | Killer (Concentrate) | Concentrate | Depends on dilution |
| Bonide Chickweed, Clover & Oxalis Killer | Bonide | Killer | Concentrate | Varies by mix |
| Bonide Chickweed, Clover & Oxalis Killer | Bonide | Killer | Ready-to-Use | 1 gallon spray |
| Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns | Ortho | Killer | Concentrate / Pack | Pack of 2; dilution applies |
| Ortho WeedClear Weed Killer for Lawns with Comfort Wand | Ortho | Killer | Ready-to-Use | 1 gallon |
Ortho Weed B Gon Chickweed, Clover and Oxalis Killer for Lawns Concentrate
Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns is designed to tackle tough broadleaf weeds such as oxalis, chickweed, and clover. The product claims to kill weeds to the roots without harming many lawn grasses when used as directed. It’s suitable for various grass types, including Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass. This concentrate allows for customized mixing for lawns of different sizes, offering flexibility for homeowners with diverse turf.
Bonide Chickweed, Clover and Oxalis Killer, 16 oz Concentrate
Bonide’s Chickweed, Clover and Oxalis Killer is a broadleaf weed killer that targets several tough weeds including oxalis, chickweed, and clover. It is a concentrate that must be mixed prior to application, and is formulated to kill weeds at the root while being safe for grass when used as directed. A larger ready-to-use option is also offered by the same line for convenience. This product emphasizes broad weed control across a lawn without harming desirable turf when properly applied.
Bonide Chickweed, Clover & Oxalis Killer (128 oz) Ready-to-Use
This Bonide Ready-to-Use 128 oz spray is designed for ease of use, providing broad-spectrum control of chickweed, clover, oxalis, and more. The ready-to-use format eliminates mixing, and the spray nozzle is designed for straightforward application. It’s intended to kill weeds at the roots while sparing established lawns when used as directed, making it a practical option for homeowners seeking quick results with minimal preparation.
Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns, 32 Oz. (Pack of 2)
This pack of two 32 oz bottles provides broader coverage for larger lawns. It targets weeds such as chickweed, clover, and oxalis down to the roots, while designed to avoid harming lawn grasses when used as directed. The concentrate format allows households to tailor dilution to their lawn size, making it a versatile choice for varying turf areas.
Scotts Liquid Turf Builder with Plus 2 Weed Control
Scotts Liquid Turf Builder with Plus 2 Weed Control combines weed control with lawn fertilization. It acts on a range of broadleaf weeds listed in its label, including clover, dandelion, and ground ivy, which makes it a practical option for ongoing lawn maintenance. Application timing is important—apply when weeds are actively growing for best results, and follow label directions for lawn type compatibility to protect your turf.
Ortho WeedClear Weed Killer for Lawns with Comfort Wand
Ortho WeedClear is designed to kill over 250 listed weeds, including dandelion and clover, down to the root without harming the lawn when used as directed. The Comfort Wand provides ease of use for spot treatment on lawns of warmth-tolerant grasses. This option is suitable for targeted control and rapid results, especially for homeowners managing mixed weed populations across their turf areas.
Buying Guide: Key Purchase Considerations
- Weed Spectrum: If oxalis is your primary goal, select products labeled to target oxalis and related broadleaf weeds (e.g., chickweed and clover). Consider whether you want a broad-spectrum solution or a more targeted formula.
- Lawn Type Compatibility: Always verify whether the product is safe for your grass type (Bermudagrass, Kentucky bluegrass, fescue, etc.). Some formulas are designed for certain grasses and may harm others if misapplied.
- Form and Application: Concentrates offer customization for large lawns, while ready-to-use sprays provide instant convenience. Consider your lawn size, storage space, and willingness to mix.
- Application Timing: Weed control is most effective when weeds are actively growing. Plan applications in spring or fall as appropriate for your climate and turf.
- Safety and Re-entry: Check whether treated areas require waiting periods before people, pets, or lawn equipment can re-enter the space after spraying. Some products dry quickly and are rainfast sooner than others.
- Environmental Impact: Follow label instructions to minimize runoff and protect nearby plants, water sources, and beneficial insects. OMRI-listed products may have specific organic-use considerations.
- Coverage and Dilution: For concentrates, gauge the correct dilution rate based on weed density and lawn area. For ready-to-use options, ensure the capacity matches your lawn size to avoid repeated applications.
- Storage and Handling: Store products in a cool, dry place away from children and pets. Use appropriate protective gear during mixing and application as recommended by the label.
- Cost per Square Foot: Compare per-square-foot costs, factoring in concentrate dilution versus ready-to-use volume to determine long-term affordability.