Best Ortho Weed Killers of 2025

Ortho GroundClear Weed & Grass Killer Ready-to-Use is a grass weed killer spray that works on all types of weeds and grasses. It acts on contact and you can see results in 15 minutes. It is rainproof in 2 hours and can be used on hardscapes, landscape beds, and around vegetable gardens. Customers have found it to be easy to use and effective in killing weeds.

Ortho GroundClear Year Long Vegetation Killer1 Concentrate is a fast-acting formula that starts working immediately to kill weeds and grasses. With a single application, it prevents any re-growth for up to 1 year. This concentrate is perfect for use on driveways, sidewalks, gravel areas, rock and desert landscapes, under decks, on parking areas, along fences and curbs, and in unplanted areas. You'll see visible results in 3 hours with Ortho GroundClear Year Long Vegetation Killer1 Concentrate.

Ortho WeedClear Lawn Weed Killer Ready to Spray is a ready-to-use weed killer that kills all major broadleaf weeds, including dandelion, chickweed and crabgrass. It is rainproof in 1 hour and delivers visible results in hours, after just one application. It is suitable for grasses including Bermudagrass, Buffalograss, Tall Fescue, Fine Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass, and can treat up to 5,000 sq. ft. with a garden hose. Customers have found it to be effective on a variety of broadleaf weeds, though it may require multiple applications for full eradication.

Ortho WeedClear Weed Killer for Lawns Ready-To-Spray is a liquid weed killer that kills over 250 common weeds, including dandelions, clover, poison ivy, chickweed, and dollarweed. It contains three proven ingredients that target common lawn weeds, so it won't harm your grass (when used as directed). Visible results can be seen in hours, and it is rainproof in 1 hour upon drying. It is easy to use, just connect your garden hose to the sprayer and set the nozzle to your desired setting.

Ortho Weed Killer is designed to tackle even the most stubborn weeds and grasses, ensuring they are eliminated right down to the root. This means you won't have to worry about them returning. It works quickly, absorbing on contact to start killing weeds immediately and is rainproof just 15 minutes after you apply it. For the best results, use it when weeds are actively growing and temperatures are over 60°F. You can easily apply it in various areas, including flower beds, around trees, and on hard surfaces like patios and driveways, thanks to the convenient trigger sprayer.

Ortho WeedClear Weed Killer is designed to effectively eliminate common lawn weeds such as crabgrass, dandelion, and clover. This fast-acting formula shows results after just one application, allowing you to enjoy a healthier lawn in no time. You can use it safely on various grass types, including Bermudagrass and Kentucky Bluegrass, ensuring it won’t harm your lawn when applied correctly. The product also comes with a convenient battery-powered Comfort Wand for easy, continuous spraying, making it simple to target young, actively growing weeds without the hassle.

Ortho Year Long Weed Killer effectively eliminates weeds, grasses, and all types of vegetation right down to the roots, ensuring they won’t return for up to a year. Its fast-acting formula begins working immediately and becomes rain-resistant within just one hour, giving you peace of mind after application. For optimal results, it's best to apply this product on sunny days when temperatures exceed 60°F. You can use it in a variety of locations, including driveways, sidewalks, and gravel areas, making it a versatile choice for maintaining a tidy outdoor space.

Ortho WeedClear Lawn Weed Killer Ready-To-Spray3 is a powerful solution to kill weeds without harming your lawn. It can kill all major broadleaf weeds, dandelion, clover, oxalis, chickweed, and more. This lawn weed killer is rainproof in 1 hour and delivers visible results in hours, after just one application. It contains herbicides to destroy over 250 types of weeds and won't harm the lawn when used as directed. You can use it on multiple lawn varieties, including Kentucky bluegrass, perennial ryegrass, fescues, common bermudagrass, hybrid bermudagrass, bahiagrass, bentgrass, buffalograss, centipedegrass, zoysiagrass, and St. Augustinegrass (except Floratam). Simply connect the garden hose to the attached sprayer to spot treat weeds with your desired nozzle setting. It treats up to 5,000 sq. ft. when applying with the attached sprayer.

Ortho Weed Killer is a powerful solution that eliminates weeds, grasses, and unwanted vegetation, preventing regrowth for up to a year. Its fast-acting formula gets to work immediately and is rainproof within an hour. Perfect for use on driveways, sidewalks, and other areas where plant growth is not desired, especially on sunny days above 60°F. The concentrate form requires careful application following the product label instructions.

Ortho GroundClear Weed Killer is designed to tackle even the most stubborn weeds and grasses quickly. Its dual-action formula begins working on contact, ensuring you see results in just hours. This fast-acting solution penetrates down to the roots, preventing weeds from returning. You can apply it confidently, as it becomes rainproof just 15 minutes after application. No matter where the weeds are—whether in gravel, mulch beds, or along patios—this product effectively eliminates them, making yard maintenance easier for you.