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What is the Best Weed Killer for Poison Ivy?

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Best Weed Killer for Poison Ivy

If you have poison ivy in your yard or on your property, you probably try to avoid it to prevent an adverse reaction. However, thanks to the best weed killers for poison ivy it’s possible to eliminate the threat so you don’t have to worry about it anymore.

There’s no question that poison ivy has to be destroyed, but what is the best way to do it? The challenge is that poison ivy is very resilient. If you do not kill the roots or remove them by the roots, the plant will grow back and continue to be a problem. 

Here, we’ll cover the best options that will help to make your yard, lawn, or property free of poison ivy. Taking care of this issue is easier than you might expect thanks to the help of these reliable and affordable products.

The products featured here come in different forms and not all of them work the same. We’ve provided detailed descriptions to help you choose the best weed killer for poison ivy that’s right for your property.

Related: The Best Weed Killers for Gravel Paths and Driveways

The Best Weed Killer for Poison Ivy

Poison ivy is extremely difficult to get rid of, but not impossible with the help of the right products. When it has outgrown and occupies large spaces in your yard or garden, the best means to eliminate them is by using brush killers. Brush killers are very powerful and will have a stronger impact than other types of weed killers. Brush killers will kill weeds as well as small plants, so use them only on things that are unwanted. 

Here are some go-to products.

1. Ortho Max Poison Ivy and Tough Brush Killer Concentrate

The Scotts Ortho Max Poison Ivy Tough Brush Killer, 32-OunceScotts Ortho Max Poison Ivy Tough Brush Killer

Ortho Max Poison Ivy and Tough Brush Killer Concentrate is the perfect herbicide for killing tough brush and weeds and which is why it is on our Best Weed Killer for Poison Ivy list. This product can kill over 60 types of plants, including poison ivy, poison oak, kudzu, and wild blackberries. It also kills woody plants including stumps and vines. Ortho Max is rainproof in 2 hours, so you don’t have to worry about it getting washed away.

It comes as a concentrate, so you’ll need to mix it with water and apply it with a sprayer. This is a very powerful product, so be sure that it doesn’t contact any plants that you don’t want to kill.

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2. Roundup Poison Ivy Plus Tough Brush Killer

Roundup 5007410 Weed KillerRoundup 5007410 Weed Killer

Roundup ready-to-use Poison Ivy Plus Tough Brush Killer is the perfect choice for anyone looking for an easy-to-use, reliable weed killer.

This product combines the power of two brush-killing ingredients to kill even the toughest weeds and grasses at the root so they won’t grow back. It also kills ivies and weeds like poison ivy, poison oak, and poison sumac, as well as invasive vines and shrubs like kudzu and wild blackberry.

Roundup Poison Ivy Plus Tough Brush Killer is rainproof in 30 minutes and results can be seen in just 24 hours. Thanks to the ready-to-use formula and the convenient sprayer, you don’t need to mix anything and you don’t need a separate sprayer to apply it. You can start applying it within minutes.


3. Southern Ag CROSSBOW Specialty Herbicide

Southern Ag Crossbow Specialty Herbicide Low Volatile Weed & Brush Herbicide, 128oz - GallonSouthern Ag Crossbow Specialty Herbicide Low Volatile Weed & Brush Herbicide

This product is not specifically made for killing poison ivy, but it’s a powerful formula that can handle poison ivy along with most other types of unwanted weeds, brush, and plants. It’s a commercial-grade product that comes in concentrate format, so you’ll need to mix it with water and apply it with a sprayer.

It’s ideal for large properties where you need to treat a significant area. One container will make up to 96 gallons to use with a sprayer.

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4. Bonide Poison Ivy and Brush Killer Concentrate

Bonide (BND330 - Poison Ivy and Brush Killer BK-32 Concentrate (16 oz.)Bonide (BND330 – Poison Ivy and Brush Killer BK-32 Concentrate

Bonide Poison Ivy and Brush Killer is unique because it kills more than 240 types of weeds, including poison ivy, but it’s specifically made to be safe for grass. If you have poison ivy mixed in with the grass in your yard, this is an excellent product to use. It is intended for use with bluegrass, fescue, rye, bent, bermuda, bahia, and zoysia lawns.

Along with weeds and poison ivy, this product from Bonide also kills brush, woody weeds, and vines that may be too tough for standard weed killers. It can even be used to kill unwanted tree stumps.

As a concentrated formula, this product must be mixed with water and applied with a sprayer.


5. Monterey Brush and Vine Control Concentrate

Monterey LG5367 Brush and Vine Killer Stump and Tree Sprouting Herbicide Control Concentrate, 32 ozMonterey LG5367 Brush and Vine Killer Stump and Tree Sprouting Herbicide Control Concentrate

Monterey Brush and Vine Control Concentrate is a highly effective herbicide that can be used in many different applications. The product can be used to kill stumps as well as prevent resprouting. It is also ideal for the control of woody plants and vines, including poison ivy, alder, blackberry, cottonwood, poison oak, honeysuckle, and more.

This concentrated formula comes in liquid form and requires you to mix the chemical with water before applying it. Freshly cut tree stumps will require an undiluted application. Simply use a paintbrush to apply the undiluted formula to the tree stump.


6. Gordon’s Brush Killer For Large Property

GORDON'S Brush Killer for Large PropertyGORDON’S Brush Killer for Large Property

Do you have a large area that needs to be treated? If so, this product may be right for you. It comes as a concentrate in a large package (one gallon) so it will cover a sizeable area and is another great option on our Best Weed Killer for Poison Ivy list.

This is a powerful formula that can handle poison ivy, poison sumac, poison oak, thistle, black locust, as well as many other tough weeds and brush. Be careful when applying it, because it can also kill other plants and grasses.

You’ll need to mix it with water and apply it with a sprayer.

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How to Identify Poison Ivy

Poison Ivy Leaves

Poison ivy (Toxicodendron radicans) is a climbing or trailing vine that is found in wooded areas, as well as gardens and yards. It can grow up to 50 feet long and can climb trees, fences, and other structures. The leaves are small and have three leaflets. The leaflets are glossy with serrated edges. The leaves are green in the spring and summer, and they turn red or orange in the fall. Poison ivy produces small white or greenish-white berries.

If you come into contact with poison ivy, you may develop a rash. The rash is caused by an oily substance called urushiol. This substance is found in all parts of the plant, including the leaves, stems, and berries. The rash usually begins to appear within 12-24 hours after contact. It can be very itchy and uncomfortable. In severe cases, the rash can blister and lead to infection.

How to Control Poison Ivy

Poison ivy can be difficult to control because it’s a climbing vine. The best way to control it is to cut it down and treat the area with one of our best weed killer for poison ivy options listed above. Be sure to wear gloves and long sleeves when handling poison ivy plants.

If you don’t kill or remove the roots, the plant will grow back. The weed killers featured in this article should kill the roots to prevent regrowth. However, poison ivy may pop up in other places, so you may need to treat it as frequently as a few times per year.

When is the Best Time to Kill Poison Ivy?

The best time to kill poison ivy is in the spring or early summer before the plant has a chance to produce berries. The berries can spread the plant’s seeds, making them more difficult to control.

If you wait until fall to treat poison ivy, the leaves will be changing color and may be less susceptible to herbicides.

Concentrate vs. Ready-to-Use Formulas

When shopping for a weed killer, you’ll notice that some products come in concentrated form while others are ready-to-use. Ready-to-use formulas are more expensive, but they’re also more convenient. You don’t have to mix them with water before using them.

Concentrated formulas are less expensive and can be more effective because you can customize the dilution ratio. For example, if you’re dealing with a particularly tough weed, you may want to use a higher concentration of herbicide.

Which type of formula is right for you? It depends on your needs and preferences. If you want a product that’s easy to use, go with a ready-to-use formula. If you’re looking for a more affordable option, go with a concentrate. The affordability may be a more important factor if you have a large area to treat.

Related: How to Kill Weed Trees

Frequently Asked Questions

Does weed killer kill poison ivy?

Some weed killers will kill poison ivy, but not all of them. Poison ivy and other invasive vines can be more stubborn than some other types of weeds. If you’re looking for a product that will kill poison ivy, there are a number of weed killers made specifically for this purpose. Check the product label to see if poison ivy is listed as one of the weeds that can be treated with the product.

Is it safe to use weed killers on poison ivy?

Yes, it is safe to use weed killers on poison ivy. However, you should take precautions when handling the plant, as the oil from the plant can cause a rash. Be sure to wear gloves and long sleeves when handling poison ivy plants. If you come into contact with the oil, wash the affected area immediately with soap and water.

What kills poison ivy permanently?

The only way to kill poison ivy permanently is to kill or remove the roots completely. Otherwise, it will grow back. Even if you do kill it completely, other plants are likely to sprout up in the future. If you have issues with poison ivy on your property, you’ll probably need to treat it occasionally for the best results. A one-time application is usually not possible or effective for long-term results.

How do you stop poison ivy from growing back?

To stop poison ivy from growing back, you need to kill or remove the roots. This can be difficult to do, as the plant is a climbing vine. The best way to control it is to cut it down and treat the area with a weed killer.

If you don’t kill or remove the roots, the plant will grow back. The weed killers featured in this article should kill the roots to prevent regrowth. However, poison ivy may pop up in other places, so you may need to treat it as frequently as a few times per year.

How long does it take weed killer to work on poison ivy?

It depends on the product you’re using. Some weed killers work quickly, while others may take a few days or weeks to show results. Be sure to read the product label for specific instructions.

Best Weed Killer for Poison Ivy: Final Thoughts

Poison ivy can be a difficult weed to control. If you’re looking for a product that will kill poison ivy, there are a number of options available. The best weed killer for poison ivy is the one that works best for your needs.

Consider the type of formula you want, the size of the area you need to treat, and how often you need to apply the product. With so many products on the market, finding the right one may take some trial and error. But once you find a product that works well for you, controlling poison ivy will be much easier.

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