Answer: For controlling henbit and other common lawn weeds, use selective broadleaf weed killers designed for turfgrass. These products kill henbit at the root without harming warm- or cool-season grasses when used as directed. This guide highlights five proven options and who should use them, including handy cautions to avoid harming your lawn.
| Product | Best For | Size / Coverage | Notes |
|---|---|---|---|
| Scotts Weed Control for Lawns | Homes with diverse weeds including henbit | Up to 5,000 sq ft | Fast contact action; avoid certain turf types |
| Ortho Weed B Gon Chickweed, Clover & Oxalis Killer | Lawns with challenging broadleaf weeds | Concentrate, varies by mix | Kills listed weeds to the roots; safe on many grasses |
| Scotts Halts Crabgrass & Grassy Weed Preventer | Pre-emergent protection for spring/fall | Up to 10,000 sq ft | Prevents germination of crabgrass and others |
| Ortho WeedClear Lawn Weed Killer Ready-to-Spray | Southern lawns with dandelion, clover, etc. | 1 gallon ready-to-use spray | Fast-acting; spray-on convenience |
| BioAdvanced Season Long Lawn Weed Killer + Preventer | Southern lawns needing long-term control | Up to 4,000 sq ft | Kills and prevents for up to 6 months |
Scotts Weed Control for Lawns – 5,000 sq ft
Features: Kills over 200 listed weeds, including henbit, with fast contact action. Not recommended for Dichondra, Carpetgrass, Floratam St. Augustinegrass, Creeping Bentgrass, or lawns with desirable clovers.
Best for: Homeowners dealing with multiple common lawn weeds and seeking quick, root-level control. Why chosen: Broad-spectrum effectiveness targets henbit and other tough broadleaf weeds in one treatment.
Limitations: Avoid use on certain turf types and clover-dominated lawns; follow label for best results.
Ortho Weed B Gon Chickweed, Clover & Oxalis Killer for Lawns Concentrate
Features: Kills chickweed, clover, creeping Charlie, oxalis, wild violet, and other listed weeds to the roots, without harming lawn grasses when used as directed. Works on Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass.
Best for: Lawns with stubborn broadleaf weeds like henbit-related competitors. Why chosen: Creative blend targeting a wide range of common lawn intruders while preserving turf health.
Limitations: Product data suggests following directions closely for optimal root kill and to avoid stressing sensitive grasses.
Scotts Halts Crabgrass & Grassy Weed Preventer
Features: A pre-emergent that prevents germination of crabgrass, foxtail, spurge, barnyardgrass, moss (California excepted), Poa annua, henbit, corn speedwell, and chickweed. Apply in early spring or fall; weather after application does not affect performance.
Best for: Preventing henbit and other annual weeds before they establish. Why chosen: Pre-emergent action complements post-emergent controls for comprehensive weed management.
Limitations: Requires timing with soil temperature and seasons for maximum effectiveness.
BioAdvanced Season Long Lawn Weed Killer + Preventer
Features: Kills broadleaf weeds including dandelion, clover, chickweed, and henbit, with preventive action for up to 6 months. Treats up to 4,000 square feet in southern lawns and supports Floratam St. Augustinegrass tolerance.
Best for: Southern lawns needing both immediate weed control and extended prevention. Why chosen: Dual-action formula addresses current henbit presence and future germination.
Limitations: Effectiveness may vary by region and turf variety; follow application guidelines for best results.
Ortho WeedClear Lawn Weed Killer Ready-To-Spray
Features: Ready-to-spray weed killer for Southern lawns, kills dandelion, dollarweed, chickweed, and clover without harming the lawn when used as directed. Fast-acting results in hours.
Best for: Quick, spot-treatment of actively growing weeds in warm-season or mixed lawns. Why chosen: Convenience of ready-to-use spray aids rapid containment of henbit-friendly invaders.
Limitations: Best used when daytime temps are below 90°F for effective control; avoid hot day usage.
Bonide Chickweed, Clover and Oxalis Killer
Features: Concentrate that kills chickweed, clover, dandelions, ground ivy, oxalis, wild violet, and over 100 other weeds, including those in lawns. Safe for grass when used as directed; roots and all.
Best for: Homeowners preferring a versatile concentrate that tackles a broad weed list, including henbit-related competitors. Why chosen: Comprehensive weed control option when blended with lawn care routines.
Limitations: Must mix prior to application; premixed Ready-to-Use versions are also available.
Buying Guide: Key Purchase Considerations for Henbit Control
What to consider when choosing a lawn weed killer for henbit:
- Target weeds: Confirm the product lists henbit among its controlled weeds or offers broadleaf weed control that includes henbit.
- Turf compatibility: Check whether the product is safe for your grass type (cool-season vs warm-season) and any special turf restrictions.
- Pre-emergent vs post-emergent: Use pre-emergents to prevent henbit germination alongside post-emergents that kill existing plants for a complete strategy.
- Application method: Choose ready-to-use sprays for spot treatments or concentrates if you need to treat larger areas.
- Season timing: Align treatment with weed life cycle and local climate; some products perform best in spring, others in fall or during warm seasons.
- Safety and usage: Follow label directions, including watering, mowing intervals, and restricted areas (e.g., around blossoms or water features).
FAQ
- What is henbit, and why is it common in lawns?
Henbit is a broadleaf weed that often appears in cool-season lawns and disturbed soils, thriving in early spring and after wet periods.
- Can I use one product for all henbit control needs?
No single product covers every scenario. A combination of pre-emergent and post-emergent treatments is often most effective for both prevention and active infestation.
- Is it safe to mix weed killers with fertilizer?
Do not mix unless the label explicitly permits it. Mixing can alter effectiveness or damage your lawn.
- How soon will you see results after applying a weed killer?
Many products show visible results within hours to a few days, depending on weather and weed size. Always refer to the product label for expected timelines.
- Should I reseed after weed treatment?
Reseeding decisions depend on turf damage and weed pressure. Wait until the lawn has recovered and follow label guidance for reseeding windows.
- Do these products also prevent future henbit growth?
Several options include pre-emergent prevention that reduces future weed emergence, but effectiveness varies by product and timing.