Ortho Killex vs Roundup Weed Killer

As gardeners and homeowners, we all have different needs and preferences regarding weed control. Some prioritize quick and effective results, while others value safety and environmental impact. Understanding the differences between Ortho Killex and Roundup can help you make the best choice for your specific situation.

Killex Vs Roundup Table

There are many different weed killers on the market, but Ortho Killex and Roundup weed killers are two of the most popular. However, it is hard to know which one is best for you.



Active Ingredients of Ortho Killex is 2,4-D, Mecoprop-P, and Dicamba

Active Ingredients of Roundup Weed & Grass Killer is Glyphosate and Diquat

Wipe Out Lawn Weeds Effectively!

You Get Visible Results In 3 Hours

Effective Weed Control For Lawns & Won’t Harm Grass

Kills Weeds To The Root So They Wont Come Back

Mix Ortho Killex of 6 ml per gallon of water to treat 50 square feet

Mix 3.2 oz per gallon of water which can treat up to 160 sq. ft

Simply Mix The Concentrate With Water And Apply With A Hand-held Tank 

It Works By Targeting An Enzyme That Is Essential To Plant Growth 

Safe For Pets And Children After It Dried

People & Pets Safe After Spray Has Dried

Ortho Killex is a selective herbicide, meaning it will only kill the weeds that you target.

It's a non-selective herbicide, which means it will kill any plant with which it comes in contact

Avoid Watering For 24 Hours After Applying

Economical To Treat Large Areas (Rainproof in 30 minutes)

It Controls Over 50 Different Lawn Weeds, Including Dandelions, Ground Ivy And Ragweed

Kill Any Type of Toughest Weeds And Grasses Down To The Root

Active Ingredients
Ortho Killex is a weed killer with two active ingredients, Mecoprop-P and Dicamba. Mecoprop-P is a selective herbicide that targets broadleaf weeds, such as dandelions and clover, and disrupts the weed’s growth and reproduction.

Dicamba is a systemic herbicide that moves throughout the plant, killing leaves and roots. This combination of active ingredients makes Ortho Killex an effective option for controlling specific types of weeds. Roundup Weed & Grass Killer, on the other hand, contains two active ingredients, glyphosate, and diquat.

Glyphosate is a non-selective herbicide that inhibits the production of certain enzymes in the plant, leading to its death. This makes Roundup an effective option for controlling a wide range of weeds, including tough and persistent ones.

Diquat, the second active ingredient in Roundup, is a contact herbicide that works by causing rapid cell death in the leaves of the weed. This combination of active ingredients makes Roundup a fast-acting and broad-spectrum weed killer.

What Does it Kill?
Ortho Killex can control over 50 different lawn weeds, including dandelions, plantains, clover, ground ivy (creeping Charlie), and ragweed. On the other hand, Roundup is known for its fast-acting and broad-spectrum weed control, making it a popular choice for controlling a wide range of weeds, including tough and persistent ones.

Where To Use?
Looking to banish weeds from your garden and outdoor spaces? Ortho Killex and Roundup Weed Killer are here to help! These versatile weed killers can be used in many places, including flower beds, shrubbery, patios, driveways, gravel areas, mulch beds, and more. 

Whether you’re tackling weeds along fences and foundations, prepping a garden plot, or dealing with freshly cut woody stumps, these weed killers are up to the task. 

But wait, there’s more to know! It’s crucial to follow usage instructions carefully, as you don’t want to harm your beloved plants and crops accidentally. In short, keep these weed killers away from flowers, shrubs, vegetables, and fruit crops to avoid any unwanted damage.

Mixing Ratio
Ortho Killex concentrated liquid is easy to use, simply mix 6 ml with a gallon of water for every 5 square meters (50 square feet) you want to treat. The precision of the mixing ratio is key to achieving the best results, so be sure to measure carefully for optimal weed control. 

And if you need a more potent solution, Roundup Weed & Grass Killer Super Concentrate has got you covered. Mix 6 oz with a gallon of water to take on an impressive 160 sq. ft. of weed-infested territory. With the right mixing ratio, you’ll be able to tackle even the toughest weeds with ease!

Using Instruction
Ready to take on those pesky weeds? Make sure you have a branded tank sprayer on hand. It’s the recommended tool for achieving thorough coverage. Simply aim and spray until the weeds are thoroughly wet. 

But what if you accidentally spray a desirable plant? No worries! Just rinse it off immediately with water. And once the spray has dried, feel free to let people and pets back into the treated area. With these simple steps, you’ll be well on your way to a weed-free landscape.

Our Observation
The main difference between Ortho Killex and Roundup Weed Killer is in the active ingredients. Ortho Killex contains the active ingredients of Mecoprop-P and Dicamba, while Roundup Weed & Grass Killer contains glyphosate and diquat. Both products can be effective if used properly.

In our experience, both Ortho Killex and Roundup have their strengths and weaknesses. We have found that Ortho Killex is a great choice for controlling specific weeds, but it may take several applications to achieve the desired results. Roundup, on the other hand, is quick and effective in controlling a wide range of weeds, but it may be harmful to other plants if not used carefully.

Related Article

Scroll to Top