Bindweed is the stubborn house guest of the weed world — its roots plunge 20 feet deep and snap when you pull, leaving a fragment that regrows stronger. Standard sprays only singe the leaves, but this category of chemical weapon targets the sprawling root system underground, giving you a real chance at elimination.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. I spend my time buried in herbicide labels, comparing active ingredient concentrations, and cross-referencing thousands of owner experiences to find which formulas actually translocate through bindweed’s complex root network.
Whether you’re battling morning glory look-alikes in your flower beds or field bindweed taking over the vegetable patch, this review of the best weed killer for bindweed breaks down the concentrates and ready-to-use sprays that deliver systemic control without wasting your time or money.
How To Choose The Best Weed Killer For Bindweed
Bindweed is biologically designed to survive — its rhizomes store immense energy and remain dormant until conditions worsen. A contact killer that merely burns leaves will never fix the problem. You need a systemic herbicide that moves through the phloem into the root system.
Active Ingredient Strategy
Glyphosate at 41% concentration is the gold standard for bindweed in non-lawn areas, but it works slowly — expect 7 to 14 days for complete root death. For lawns, look for dicamba and triclopyr combinations like those in Fertilome Weed Free Zone. These selective agents bind to broadleaf tissue without harming turf grasses, and dicamba’s soil activity provides longer residual control against regrowth.
Concentrate vs. Ready-to-Use
Concentrates (Ortho GroundClear, Spectracide, Control Solutions Eraser) give you control over mixing ratios and cost far less per square foot than ready-to-use sprays. For bindweed infestations covering large areas, a 32-ounce concentrate bottle often treats over 1,000 square feet. Ready-to-use formulas like Bonide Chickweed & Oxalis Killer are convenient for spot treatment but become expensive on heavy infestations.
Application Timing
Bindweed is most vulnerable in late spring to early summer when it begins flowering — that is when the plant is translocating sugars downward to the roots, pulling the herbicide along with it. Apply when air temperatures are between 60°F and 80°F, with no rain forecast for 24 hours. Adding a non-ionic surfactant (or a few drops of dish soap) improves leaf adhesion and penetration through bindweed’s waxy cuticle.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Fertilome Weed Free Zone | Selective | Lawn-safe bindweed control | Dicamba-based; fast leaf injury | Amazon |
| Ortho GroundClear Super Concentrate | Non-Selective | Patios and non-lawn areas | 2,4-D + Dicamba; rainfast 15 min | Amazon |
| Control Solutions Eraser | Non-Selective | Deep systemic root kill | 41% Glyphosate; low odor | Amazon |
| Bonide Chickweed & Oxalis Killer | Selective | Clover/oxalis + creeping charlie | Triclopyr + Dicamba; 128 oz RTU | Amazon |
| Spectracide Concentrate | Non-Selective | Fast visual results | Diquat; results in 3 hours | Amazon |
In‑Depth Reviews
1. Fertilome Weed Free Zone (32 oz)
Fertilome’s Weed Free Zone is the standout pick for homeowners who need to kill bindweed without destroying their Kentucky Bluegrass or Zoysia lawn. The dicamba-based formula shows visible injury within hours of application, yet it spares desirable turf grasses when mixed at the recommended rate. Owner reports confirm it kills creeping charlie and bindweed overnight where other products barely stunt growth.
The concentrate format provides flexibility — mix 1 ounce per gallon for general broadleaf control, or bump to 2 ounces per gallon for established bindweed. Adding a few drops of dish soap as a surfactant improves adhesion on waxy bindweed leaves. The 32-ounce bottle covers roughly 4,000 square feet, making it cost-effective for full-yard sprays.
Beware of drift — dicamba is volatile above 80°F and can damage ornamentals and vegetables. Use a dedicated pump sprayer with a fan nozzle on calm mornings for precision. The slow systemic action means full root death takes about 10 to 14 days, but the payoff is a lawn that stays bindweed-free for months.
What works
- Selective — kills bindweed without harming common turf grasses
- Fast visible injury within hours of application
- Dicamba provides residual soil activity against regrowth
What doesn’t
- Volatile above 80°F — can drift and damage nearby plants
- May require double concentration for heavy clover infestations
2. Ortho GroundClear Weed and Grass Killer Super Concentrate
Ortho’s GroundClear Super Concentrate combines 2,4-D and dicamba in a non-selective formula that kills bindweed down to the root system while also handling crabgrass, dandelion, and clover. The 32-ounce bottle treats up to 1,120 square feet when mixed at full strength. Users report visible wilting within 24 to 48 hours, and the 15-minute rainfast window means you can spray confidently even in unpredictable weather.
This is a total vegetation killer — it will damage or kill any grass, flower, or shrub it touches, so use it only on patios, sidewalks, driveways, and paths. The concentrate mixes easily in a tank sprayer and has minimal odor compared to sulfur-based herbicides. For bindweed growing through cracks in pavement, this is the most efficient solution available.
Price fluctuates significantly on Amazon, so check multiple listings before buying. Some users found it slightly less potent than commercial-grade products from tractor supply stores, but for residential use it delivers consistent results without requiring a license to purchase.
What works
- Rainfast in 15 minutes — works in unpredictable weather
- Kills to the root fast; visible results in 24–48 hours
- Good value concentrate; covers over 1,000 sq ft
What doesn’t
- Non-selective — damages nearby grass and ornamentals
- Price fluctuates significantly on Amazon
3. Control Solutions Eraser Weed & Grass Killer Concentrate
Control Solutions Eraser packs 41% glyphosate — the same active ingredient concentration found in professional-grade Roundup, but at a fraction of the cost. For bindweed, this is the heavy artillery. Glyphosate is fully systemic, meaning it travels from leaf tip to root tip over 7 to 14 days, collapsing the entire root network. Users with 17 years of repeat purchases attest to its reliability.
The low-odor, water-based formula is comfortable to spray even on warm days, and it has no residual soil activity — you can replant treated areas within days. Mix 8 ounces per gallon for standard weeds, or increase for woody vines and established bindweed. The slow action (no visual change for the first 2 days) often makes impatient users think it failed, but yellowing appears by day 4 and full death by day 10.
This is strictly for non-lawn areas — flower beds, fence lines, foundation edges, and vegetable garden borders. Add a surfactant like liquid Castille soap to improve leaf coverage on bindweed’s waxy surface. The affordability per gallon makes it ideal for large acreage bindweed battles.
What works
- 41% glyphosate — highest consumer concentration for deep root penetration
- No residual soil activity — replant within days
- Cost per gallon far below brand-name alternatives
What doesn’t
- Very slow visual results — 4 to 7 days before yellowing appears
- Requires surfactant for maximum bindweed leaf adhesion
4. Bonide Chickweed, Clover & Oxalis Killer
Bonide’s Chickweed, Clover & Oxalis Killer is a ready-to-use selective spray that excels at controlling broadleaf weeds in lawns without harming grass. The triclopyr and dicamba combination makes short work of creeping charlie (ground ivy) and clover — two weeds often mistaken for bindweed — while also tackling true bindweed. The 128-ounce bottle covers about 10,000 square feet, though heavy infestations may require a second application.
Users report that dandelions brown in a single spray, and clover wilts within 3 days. The formula is nearly odorless and clear, making it comfortable to apply around the yard. However, the included hand sprayer is poor for large lawns — most experienced users decant it into a backpack pump sprayer for better coverage and pressure control.
Wait for two consecutive dry days before application; rain within 24 hours reduces effectiveness. This product is not a pre-emergent, so it won’t prevent new bindweed seeds from germinating. For ongoing maintenance on established lawns, it pairs well with a spring fertilizer program.
What works
- Selective — safe on common turf grasses
- Excellent on creeping charlie, clover, and dandelions
- Large 128 oz bottle covers up to 10,000 sq ft
What doesn’t
- Bottle sprayer is inadequate for large lawns
- Not a pre-emergent — bindweed seeds can germinate after application
5. Spectracide Weed and Grass Killer Concentrate
Spectracide’s concentrate uses diquat dibromide — a contact herbicide that produces visible browning in as little as 3 hours. This is not a systemic killer, so it won’t translocate to bindweed’s deep roots. However, for quick cleanup of bindweed foliage on driveways and walkways before a weekend event, it is unmatched in speed. The Accumeasure cap simplifies mixing, though many users eventually replace it with a standard lid.
Because diquat kills only what it touches, bindweed will regrow from the roots within 2 to 3 weeks, requiring repeat applications. This makes it a poor standalone solution for eradication, but an excellent tool for spot treatment in areas where you don’t want soil residues. The 32-ounce bottle covers about 1,350 square feet and is rainfast in 15 minutes.
For bindweed specifically, combine this with a systemic glyphosate application: use Spectracide for instant foliage removal, then follow up two weeks later with Control Solutions Eraser to kill the roots. This two-phase approach gives both visual satisfaction and long-term control.
What works
- Visible results in 3 hours — fastest in this lineup
- Rainfast in 15 minutes
- No soil residual — safe near desirable plant roots
What doesn’t
- Contact-only — bindweed regrows from roots within weeks
- Accumeasure cap is awkward; many users discard it
Hardware & Specs Guide
Active Ingredient Type
Bindweed requires systemic herbicides that translocate through the phloem. Glyphosate (41%) is the strongest option for non-lawn areas, while dicamba + triclopyr combinations provide selective control on turf. Contact killers like diquat are fast but require repeat applications.
Concentration vs. Ready-to-Use
Concentrate formulas (32 oz bottles) treat 1,000 to 4,000 square feet and cost 40-60% less per application than ready-to-use sprays. RTU formats like Bonide 128 oz are convenient for small lawns but become expensive for large bindweed patches. Mix ratios vary from 1 oz/gal for selective sprays to 8 oz/gal for glyphosate total kill.
FAQ
Will weed killer for bindweed also kill my grass?
How long does it take for bindweed to die after spraying?
Do I need a surfactant for bindweed sprays?
Final Thoughts: The Verdict
For most gardeners, the best weed killer for bindweed winner is the Fertilome Weed Free Zone because it combines selective lawn safety with dicamba’s powerful systemic action against deep-rooted broadleaf weeds. If you need a non-selective total kill for patios and driveways, grab the Ortho GroundClear Super Concentrate for its fast-acting 2,4-D and dicamba mix. And for large-scale eradication on a budget, nothing beats the Control Solutions Eraser with its 41% glyphosate concentration that delivers professional-grade root kill at a consumer-friendly price.