Ortho WeedClear Lawn Weed Killer Ready to Spray - 32 oz

  • Fast-acting, with results in one application
  • Kills weeds to the roots but won't harm the lawn (when used as directed)
  • Apply easily by connecting a garden hose to the attached sprayer treats up to 5,000 sq. ft.
Availability: In stock

Ortho WeedClear Lawn Weed Killer Ready-to-Spray kills all types of weeds (as listed) without harming your lawn (when used as directed). The formula is rainproof in 1 hr and is fast-acting you'll see results in just one application. It kills over 200 weeds down to the roots, including dandelion, chickweed, clover, crabgrass, and foxtail Application is easy: simply connect the garden hose to the attached sprayer. For use on grasses, including Bermudagrass, Buffalograss, Fescues, Kentucky Bluegrass, Ryegrass, and Zoysiagrass. Use Ortho WeedClear Lawn Weed Killer to kill weeds to the roots.

  • Apply easily by connecting a garden hose to the attached sprayer treats up to 5,000 sq. ft.
Active Ingredients
  • 2,4-D, Dimethylamine salt: 0.313%
  • Quinclorac: 0.104%
  • Dicamba, Dimethylamine salt: 0.029%    
How to Use

Ortho WeedClear Lawn Weed Killer Ready-To-Spray is easy to use. Simply connect the sprayer to the garden hose and then turn on the water. Walk to the farthest part in your yard and then work your way back. To spray, slide switch to on. Then spray evenly only until the surface of the lawn is wet. To stop spraying, slide the switch to off. Turn off the water, then relieve water pressure by sliding switch to water. After the water slows to a drip, slide switch back to off and disconnect from the garden hose.

Where to Use

Ortho WeedClear Lawn Weed Killer Ready-to-Spray is intended for the treatment of individual weeds, patches of weeds, or sparse weeds scattered throughout the following established turfgrass types: Kentucky bluegrass, ryegrass, tall fescue, fine fescues, Bermudagrass, zoysiagrass, and buffalograss.

Where Not to Use

This residential outdoor herbicide is not intended for use on the following grasses: St. Augustinegrass, Bahiagrass, Bentgrass, Centipedegrass, Carpetgrass, Seashore paspalum, Lawns with desirable clovers or legumes, Dichondra, ornamental plants (flowers, trees, groundcovers, landscape beds and shrubs), certain Turfgrass species, and gardens including vegetables, fruit trees, vines and berries. This container is nonrefillable.

When to Apply

The best time to apply this weed killer for lawns is when weeds are small and actively growing in the spring or fall. For large and smooth crabgrass, apply in the spring before the weeds are 4" tall or when they're first noticeable in the lawn.

How Often to Apply

Based on the effectiveness of this herbicide, applications are limited to 2 times per year with at least 21 days between treatments for dense weed populations. 

Our Environment

Aim to heighten dedication to the environment by providing valuable user information on how to responsibly eliminate weeds without compromising surrounding ecosystems. Product drift and runoff are main areas of concern. Therefore, ask that customers be mindful of nearby storm drains, drainage ditches, gutters, or surface waters and always follow package directions for application.

Disposal Methods

When the container is empty, dispose of in trash or rinse over the treated area and place in recycling if available. If some herbicide remains in the container, call your local solid waste agency for disposal instructions. Under no circumstances should the unused product be disposed of down any indoor or outdoor drain.

Kids and Pets

It is safe for pets and humans to reenter the space once the herbicide has thoroughly dried.

Mowing Tips

To ensure the absolute best results, delay mowing 2 days before and until 2 days after the application of this product. Taking this extra precaution will enhance the effectiveness of the spray and keep the weed killer off your lawn equipment.

Watering Tips

If your lawn is looking a little thirsty, water 24 hr prior to application. To avoid potential runoff, do not water within 24 hr of treatment.

What to Expect

You can expect to witness results after only one treatment, but please bear in mind that applications made to Bermudagrass may result in temporary yellowing or discoloration. Also, certain hard-to-kill weeds or dense populations may need to be spot treated after 3 weeks.

Special Instructions

Remember to follow instructions when turning off the sprayer so that product does not end up sprayed or dripped onto a surface where you don't want it to go.


When used as directed, this product is completely safe for humans and animals. Please avoid contact with eyes, skin, or clothing by wearing a long-sleeved shirt, pants, socks, shoes, and rubber gloves during application. Following application, wash thoroughly with soap and water and change clothing before resuming normal activities.

  • Type: Ready to Spray
  • Size: 32 oz
  • Coverage Area: 5,000 sq. ft.
  • Package Type: Bottle


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