Best Herbicide For Poison Ivy: 10 Options Compared

#1 · Best Overall

1. Ortho GroundClear Poison Ivy Killer

• Form: Spray
• Weight: 8 oz

Best for: For Broad Brush Coverage.

Why it ranks #1: Controls over 60 listed tough weeds and brush, including poison ivy, and comes as a one-gallon spray for treating foliage, stems, and trunks.

Control over 60 listed tough weeds and brush, including poison ivy, poison oak, kudzu, and wild blackberry, with Ortho GroundClear Poison Ivy & Tough Brush Killer3. Its one-gallon spray format suits treating foliage, stems, and trunks when unwanted growth is actively growing and leafed out.

The ready-to-apply spray format avoids a separate mixing step, while the one-gallon container provides a substantial supply for treating brush around a property. Directions focus application on foliage, stems, and trunks during active, leafy growth, giving users a clear timing and coverage target. The listed control range includes over 60 tough weeds and brush, so it can address poison ivy alongside other named invasive growth. Avoid spraying plants or grasses you want to keep.

Skip it if you need a concentrate for mixing; BioAdvanced Poison Ivy Killer Plus Concentrate treats up to 4,000 square feet.

A practical fit for homeowners addressing poison ivy and several kinds of tough brush with a spray product. Apply when growth is active and leafed out, and take care to keep spray off wanted plants and grasses.

Listed on Amazon as: Ortho GroundClear Poison Ivy & Tough Brush Killer3, 1 gal.

#2 · Best Coverage

2. BioAdvanced Poison Ivy Killer Concentrate

• Form: Liquid
• Weight: 2.1 lb

Best for: For Large Brushy Areas.

Why it ranks #2: Its systemic concentrate targets listed poison ivy and brush down to the roots and treats up to 4,000 square feet.

A 32-ounce concentrate treats up to 4,000 square feet, making BioAdvanced Poison Ivy Killer Plus a match for larger patches and outdoor edges. Its systemic formula moves from leaves and stems into roots, targeting poison ivy and more than 70 listed hard-to-kill plants while aiming to stop regrowth.

The concentrate format is intended for coverage across a sizable area, with a stated treatment area of up to 4,000 square feet. That can suit fence lines, wooded edges, and trails where brush extends beyond a small isolated patch. Its systemic action carries through leaves and stems into the root system, addressing the plant below the visible growth. Handling requires protective clothing, gloves, and eye or face protection; keep it away from children and pets.

Skip it if you want a ready-to-use spray without mixing; Ortho MAX Poison Ivy & Tough Brush Killer comes ready to use.

A good fit for buyers treating broad wooded edges, fence lines, or trails who want systemic root action. Its concentrate suits larger coverage, but handling calls for protective clothing, gloves, and eye or face protection.

Listed on Amazon as: BioAdvanced Poison Ivy Killer Plus, Concentrate, 32 oz, 4,000 Sq Ft

#3 · Fast Rainproofing

3. Ortho MAX Ready-To-Use Killer

• Form: Spray
• Weight: 1.1 lb

Best for: For Ready-To-Use Brush Control.

Why it ranks #3: This ready-to-use spray targets poison ivy and over 60 tough brush and weeds, and is listed as rainproof in two hours.

Rainproof in two hours, Ortho MAX Poison Ivy & Tough Brush Killer Ready-To-Use offers a useful weather window for outdoor treatment. The 24-ounce spray targets poison ivy, poison oak, kudzu, wild blackberries, and over 60 types of tough brush and weeds, including woody plants, stumps, and vines.

Because this is a ready-to-use spray, buyers can apply it without mixing a concentrate. The two-hour rainproof claim gives a practical timing reference when planning treatment around the weather. Its listed targets extend beyond poison ivy to woody plants, stumps, vines, and more than 60 tough brush and weed types. Use it in non-garden areas around homes, cabins, buildings, fences, and trails, applying while weeds are actively growing and leafed out.

Skip it if you need a stated large-area concentrate; BioAdvanced Poison Ivy Killer Plus Concentrate covers up to 4,000 square feet.

Choose this for targeted, ready-to-use treatment around buildings, fences, cabins, and trails, especially when a two-hour rainproof window helps with scheduling. Keep application to non-garden areas and avoid wanted plants or grasses.

Listed on Amazon as: Ortho 0475010 MAX Poison Ivy & Tough Brush Killer Ready-To-Use, 24-Ounce

#4 · Largest Spray

4. BioAdvanced Brush Killer Plus Spray

• Form: Spray
• Weight: 10.8 lb

Best for: For Dense Overgrowth Areas.

Why it ranks #4: The 1.3-gallon ready-to-use spray targets poison ivy and more than 70 listed woody plants and weeds, with systemic root action.

BioAdvanced Brush Killer Plus arrives as a 1.3-gallon ready-to-use spray for dense overgrowth around wooded edges, fences, trails, walkways, and buildings. Its systemic formula moves through leaves and stems to the roots, targeting poison ivy and more than 70 listed woody plants and weeds.

The ready-to-use spray avoids concentrate mixing, and the 1.3-gallon container offers a sizable supply for outdoor residential areas. BioAdvanced identifies dense overgrowth and places such as fences, wooded edges, trails, walkways, and buildings as suitable settings. Its systemic action travels through leaves and stems to the root system, while visible results are stated in one to six weeks. That timeline helps set expectations for observing treated growth rather than expecting an immediate visible change.

Skip it if you need a stated treatment area and a concentrate; BioAdvanced Poison Ivy Killer Plus Concentrate treats up to 4,000 square feet.

Consider it for residential overgrowth along wooded edges, fences, trails, walkways, or buildings when ready-to-use root-directed treatment is useful. Allow for the stated one-to-six-week visible-results window, and keep application to listed target areas.

Listed on Amazon as: BioAdvanced Brush Killer Plus Spray – Kills Poison Ivy – 1.3 Gal Bottle

#5 · Lawn Grass Use

5. Bonide Poison Oak & Ivy Killer

• Form: Spray
• Weight: 2.3 lb

Best for: For Lawn-Adjacent Ivy Treatment.

Why it ranks #5: This ready-to-use spray targets poison ivy and poison oak, is rainproof within six hours, and is described as not harming lawn grasses when used as directed.

Bonide Poison Oak & Ivy Killer is a ready-to-use spray that controls poison ivy and poison oak without harming wanted lawn grasses when used as directed. Its no-mixing application keeps preparation simple, while the product starts working overnight and becomes rainproof within six hours of application.

The ready-to-use format lets users aim the spray at actively growing weeds without mixing or pouring, reducing preparation steps. Bonide lists control down to the root and names poison ivy, poison oak, and a variety of broadleaf weeds as targets. Its lawn-grass claim applies when used as directed, making it relevant for weed patches near turf. Avoid windy conditions to reduce drift, and keep spray off wanted plants.

Skip it if you need a two-hour rainproof window; Ortho MAX Poison Ivy & Tough Brush Killer Ready-To-Use has that stated timing.

A fit for buyers treating poison ivy or oak near wanted lawn grass who value a no-mix spray. Follow directions, avoid windy application, and keep it off desirable plants; rain resistance is stated after six hours.

Listed on Amazon as: Bonide Poison Oak & Ivy Killer, 32 oz Ready-to-Use Spray

#6

6. Bonide Poison Ivy & Brush Killer

• Form: Concentrate
• Weight: 1.2 lb

Best for: For Stumps And Mixed Weeds.

Why it ranks #6: The concentrate lists poison ivy among its targets and can also be applied undiluted to a freshly cut stump as directed.

Bonide Poison Ivy & Brush Killer BK-32 can also treat freshly cut tree stumps: apply the undiluted concentrate directly to the entire stump with a paintbrush. Its weed-control range includes poison ivy, poison oak, kudzu, wild blackberries, and more than 240 other tough weeds.

This concentrate serves two distinct jobs: label-directed mixing for brush and weed treatment, plus direct undiluted application to freshly cut stumps. That makes it useful when a property has both invasive growth and recently cut trees. Bonide lists woody weeds, vines, and broadleaf weeds among its targets, while stating that it is designed not to kill lawn grasses. Follow label directions for mixing and use it outdoors only.

Skip it if you want a ready-to-use spray for weeds near turf; Bonide Poison Oak & Ivy Killer is ready to use and lists lawn-grass safety when directed.

A suitable choice when stump treatment and broad weed control are both on the task list. It requires label-directed mixing for weed application, while freshly cut stumps receive undiluted product; reserve use for outdoor settings.

Listed on Amazon as: Bonide Poison Ivy & Brush Killer BK-32, 16 oz Concentrate

#7

7. Roundup Ready-To-Use Brush Killer

• Form: Spray

Best for: For Roundup Spray Shoppers.

Why it ranks #7: The title specifically identifies poison ivy and tough brush, but the supplied details give no coverage, active ingredients, or application directions.

Roundup Ready-To-Use Poison Ivy Plus Tough Brush Killer is identified as a spray for poison ivy and tough brush, giving buyers a direct-use product category to consider. The supplied product details specify its brand, ready-to-use title, and spray form, but no further application specifications.

The ready-to-use wording and spray form indicate a product intended for application without first preparing a concentrate. Its title specifically names poison ivy and tough brush, which helps define the intended target. The supplied specifications do not provide a container size, coverage figure, timing claim, or list of additional target plants, so buyers comparing treatment area or rain timing should rely on information available on the product label rather than assume those details.

Skip it if you need a stated coverage area; BioAdvanced Poison Ivy Killer Plus Concentrate lists treatment up to 4,000 square feet.

A basic fit for buyers seeking a Roundup ready-to-use spray identified for poison ivy and tough brush. Check the product label for application specifics relevant to your area, since supplied details do not state coverage or rain timing.

Listed on Amazon as: Roundup® Ready-To-Use Poison Ivy Plus Tough Brush Killer

#8

8. Ortho MAX Poison Ivy Killer

• Form: Liquid
• Weight: 13 lb

Best for: For Large Ready-To-Use Supply.

Why it ranks #8: This 1.33-gallon ready-to-use product lists poison ivy, kudzu, and wild blackberry among its targets, but provides few application specifics.

The 1.33-gallon ready-to-use format gives Roundup Max Poison Ivy/Tough Brush Killer a substantial supply without concentrate mixing. It targets poison ivy, kudzu, wild blackberries, and other tough weeds and vines, with the listing stating control across more than 60 types of brush and weeds.

A ready-to-use liquid simplifies application by avoiding the need to mix a concentrate, while the 1.33-gallon container provides a larger supply than a small spot-treatment bottle. The listed target range includes poison ivy, kudzu, wild blackberries, and more than 60 types of tough brush and weeds. Apply when no rain is forecast for at least two hours, and keep people and pets away from sprayed areas until dry.

Skip it if you need a smaller ready-to-use bottle with rainproofness stated at two hours; Ortho MAX Poison Ivy & Tough Brush Killer comes in 24 ounces.

A fit for buyers treating substantial tough brush and vines who want ready-to-use product rather than concentrate. Plan around the two-hour no-rain guidance, and keep people and pets away from treated areas until dry.

Listed on Amazon as: Scotts Ortho Roundup Ortho 0435140 Max Poison Ivy/Tough Brush Killer, 1.33-Gallon

#9

9. Bonide Poison Ivy and Oak Killer

• Form: Liquid
• Weight: 16 oz

Best for: For Two-Pack Ready-To-Use Needs.

Why it ranks #9: The two-pack supplies ready-to-use poison ivy and oak killer, with lawn compatibility stated, but its product details offer less differentiation than higher-ranked options.

Two 32-ounce ready-to-use containers give this Bonide poison ivy and oak treatment a convenient supply for repeated or separate outdoor applications. The formula is listed for poison ivy and poison oak without harming lawns, with effects beginning after a few days and weeds dying gradually.

The ready-to-use format removes the concentrate-mixing step, and the two-container pack gives buyers separate containers for different treatment areas or occasions. Bonide lists poison ivy, poison oak, and kudzu as uses, with a three-way herbicide that targets weeds to the roots. Effects begin after a few days, then weeds gradually die, so it suits buyers who can allow time for visible progress. The product is rainfast upon drying.

Skip it if you want systemic root action and a stated large coverage area; BioAdvanced Poison Ivy Killer Plus Concentrate treats up to 4,000 square feet.

This pack fits buyers wanting ready-to-use treatment for poison ivy, oak, or kudzu and a second container for another application. Expect gradual progress rather than instant results, and wait until the spray dries for rainfastness.

Listed on Amazon as: Bonide B07CG8XHC3 Products 506 Poison Ivy and Oak Killer, 32-Ounce-2 Pack, Multicolor

#10

10. Pulverize Weed Brush and Vine Killer

• Form: Liquid
• Weight: 8.5 lb

Best for: For Fast Visible Weed Burn.

Why it ranks #10: It lists poison ivy among its targets and claims results within 20 minutes, but its non-selective formula makes avoiding desirable plants especially important.

Pulverize Weed Brush and Vine Killer claims results within 20 minutes, a quick-response option for poison ivy, vines, brush, and weeds. Its concentrate uses ammoniated soap of fatty acids and maleic hydrazide, and the non-staining formula is listed for concrete and pavement as well as outdoor growing areas.

The fast-acting claim gives buyers a stated early-results timeframe, while the concentrate format requires mixing before spraying foliage until wet for thorough coverage. Its non-staining claim makes application relevant to concrete and pavement, and the product is also described for cultivated areas such as gardens and flowerbeds. It is identified as a non-selective herbicide, so avoid desirable plants and use protective clothing and eyewear as directed.

Skip it if you want systemic treatment described as killing roots to stop regrowth; BioAdvanced Poison Ivy Killer Plus Concentrate lists that root-directed action.

Consider it for buyers seeking fast-acting treatment across weeds, vines, and brush, including near pavement where non-staining matters. It is a concentrate and non-selective, so mix as directed and protect desirable plants.

Listed on Amazon as: Weed Brush and Vine Killer, Fast Acting, Non-Staining, Safe for People and Pets, All Year Round, Herbicide for Poison Ivy, Vines, and Weeds, Concentrate – 1 Gallon