Roundup vs Ortho Weedclear

Weeds are a gardener’s worst nightmare. They can quickly take over your garden and make it ugly and weed-infested. If you’re looking for a solution to keep them under control, then Ortho GroundClear and Roundup Weed Killer is the blog post for you!

Ortho Vs Roundup Table

This table chart will explore the differences between these two Weed killers and help you decide which is best for your needs.



It contains Imazapyr, isopropylamine salt and Pelargonic Acid

It contains 2% Glyphosate and 2% Pelargonic acid, along with related fatty acids.

Starts working immediately and begins to kill weeds and grasses within 3 hours

The formula is convenient and does not require any mixing, it comes ready-to-use.

It kills weeds and prevents re-growth for up to 1 year with a single application.

Start works immediately, offering weed control for up to 3 months

It's designed to act on contact with visible results in 15 minutes.

It features a Sure Shot wand that extends 2 feet

For best results, the product should be re-applied every 2 to 3 weeks

It is rainproof in 10 minutes and results are visible within 3 hours of application.

It is listed by the Organic Materials Review Institute (OMRI) for organic gardening

It intended to target the toughest weeds and grasses right down to the root, without damaging your lawn

It is applied with a tank sprayer to driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, along fences and curbs, and in unplanted areas.

It is effective in and around vegetable gardens, flower beds, tree rings, and mulched beds, as well as on cracks in driveways, walkways, patios, driveways, and sidewalks.

Top Differnce 

  • Roundup for Lawns1 specifically claims to kill the weeds without harming the lawn and can be used on specific Northern grasses. It is not indicated whether Ortho GroundClear spares the lawn or not.
  • Both have a fast-acting formula, starting to work immediately with visible results in 3 hours for Roundup, while Ortho GroundClear shows visible results in as little as 1 hour and 15 minutes for different product versions.
  • Both products are rainproof shortly after application: Roundup in 10 minutes and Ortho GroundClear in 2 hours (upon drying).
  • Ortho GroundClear is OMRI listed for organic gardening, Roundup doesn’t specify this.
  • Roundup offers a purchase price refund upon dissatisfaction, a policy not mentioned by Ortho GroundClear.

Ortho GroundClear Review

Ortho GroundClear Weed & Grass Killer is a highly effective and efficient herbicide solution designed to eradicate unwanted vegetation. This weed and grass killer offers a fast-acting formula that shows results in hours, successfully killing a wide variety of weeds and grasses down to the root. 

It is non-selective, meaning it will destroy any plant it comes into contact with, making it ideal for clearing large areas, pathways, or places where you want all vegetation eliminated.

It’s recommended to be used carefully, avoiding contact with desirable plants. Once applied, the solution becomes rainproof in hours, providing durable weed control. Always remember to use it responsibly and according to the manufacturer’s instructions.

  • It kills weeds and prevents re-growth for up to 1 year with a single application.
  • The fast-acting formula starts working immediately and kills weeds and grasses within 3 hours, reaching the root when used as directed.
  • A 24 fl. oz. mixture with 1 gallon of water covers up to 300 sq. ft.
  • For best results, the product should be re-applied every 2 to 3 weeks, with more established or difficult-to-control weeds requiring several applications.
  • It is listed by the Organic Materials Review Institute (OMRI) for organic gardening and can be used on hardscapes, landscape beds, and around vegetable gardens.

Roundup for Lawns1

Roundup for Lawns1 is a specialty herbicide from the Roundup brand, designed to effectively tackle weeds in your lawn without harming the grass. Its selective formula targets common unwanted plants such as dandelions, crabgrass, and clover while leaving your lawn grasses unharmed.

This product is created with a fast-acting formula that guarantees visible results in just hours. Easy to use, Roundup for Lawns1 is available as a ready-to-use spray or concentrate, providing flexibility depending on the size of the area you need to treat.

As always, it’s important to use the product according to the manufacturer’s instructions to ensure the safety and health of your lawn.

  • This weed killer targets the toughest weeds and grasses right down to the root without damaging your lawn.
  • The product features a Sure Shot wand that extends 2 feet, eliminating the need to bend over while applying the product.
  • This product works immediately, offering weed control for up to 3 months.
  • It kills 253 types of weeds, including crabgrass, dandelion, clover, and yellow nutsedge, but is safe for use on Northern grasses like Bluegrass, Fescue, Zoysia, and Perennial Ryegrass.
  • If unsatisfied with the results, the company offers a refund with original proof of purchase.

Our Observation
Roundup for Lawns1, containing 2% Glyphosate and 2% Pelargonic acid, efficiently targets 253 weed types while safeguarding Northern grasses. It comes with an easy-to-use Sure Shot wand, shows results within three hours, and offers up to three months of weed control. It’s safe for people and pets post-drying and ideal for residential lawn care.

Ortho GroundClear, composed of 0.09% Imazapyr, isopropylamine salt, and 2% Pelargonic Acid, is a fast-acting formula killing weeds within three hours. Its application requires a tank sprayer, suitable for non-vegetative areas, and its unique feature is up to one-year weed control.

Based on these observations, choosing the best product depends on the user’s specific needs. If you are looking for a user-friendly, ready-to-use product that offers effective control while preserving your lawn, Roundup for Lawns1 is a strong choice.

However, if your priority is long-lasting weed control, particularly in non-vegetative areas, Ortho GroundClear is the superior option. Its one-year control period and fast-acting formula offer a robust, efficient solution for persistent weed problems.

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