Lily, we're sorry to hear Ortho WeedClear Lawn Weed Killer didn't work as expected. It can take up to 4 weeks for complete control. For best results, temperatures should be consistently between 60-90 degrees. Reach out to us here for assistance with our product guarantee: https://www.ortho.com/en-us/help-center

We're sorry to read about your disappointment with Ortho WeedClear Lawn Weed Killer and appreciate your feedback. This product takes a minimum of 3 weeks to completely kill weeds. However, it has proven to be much more effective than faster-acting weed controls. Drought stressed plants can not readily absorb the herbicide. We recommend watering them first, wait 24 hr. When leaves are dry, spray again. We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please reach out to us at 866-324-9192 if we can further assist.

We're sorry to read about your disappointment with Ortho Weedclear Lawn Weed Killer Ready-to-use and appreciate your feedback. Visible results can be seen after 24 hours. This product takes a minimum of 3 weeks to completely kill weeds. However, it has proven to be much more effective than faster-acting weed controls. Temperatures below 60 degrees or above 90 degrees may cause weeds to be dormant, slowing their control. Mowing 2 days before or after application reduces the leaf surface and the plant's ability to absorb the herbicide. Do not apply when rain is expected within 24 hours of application. We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please reach out to us at 866-324-9192 if we can further assist.

We're sorry to read about your disappointment with Ortho WeedClear Lawn Weed Killer Ready-to-Use and appreciate your feedback.Visible results can be seen after 24 hours. This product takes a minimum of 3 weeks to completely kill weeds. However, it has proven to be much more effective than faster-acting weed controls. Temperatures below 60 degrees or above 90 degrees may cause weeds to be dormant, slowing their control. Mowing 2 days before or after application reduces the leaf surface and the plant's ability to absorb the herbicide. Do not water for 24 hours after application nor apply the product when rain is expected within 24 hours.We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please reach out to us at 866-324-9192 if we can further assist.

We're sorry to hear this happened after using Ortho WeedClear Lawn Weed Killer and we'd like to help. Reach out to us at 866-324-9192 for assistance with our product guarantee.

We're sorry to read about your disappointment with Ortho Weedclear and appreciate your feedback. This product takes a minimum of 3 weeks to completely kill weeds. However, it has proven to be much more effective than faster-acting weed controls. Certain hard to kill weeds may need spot treated in 14 days. For best results, apply when daytime temperatures are consistently between 65-85 degrees. Mowing 2 days before or after application reduces leaf surface and plant's ability to absorb the herbicide. We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please reach out to us at 866-324-9192 if we can further assist.

We're sorry the sprayer on your Ortho WeedClear Lawn Weed Killer didn't work as expected. We have troubleshooting steps and replacement sprayers available at no cost. Reach out to us here for further assistance: https://www.ortho.com/en-us/help-center

We are concerned to hear this. We would like the opportunity to gather some additional information and offer assistance. Please reach out to our Consumer Services team at 877-220-3089 for assistance.

We apologize that you're unsatisfied with Ortho WeedClear Lawn Weed Killer. You'll need consistently warm weather for this product to be effective against weeds. Ideal temperatures would be in the 60 to 80°F range. If you would like to discuss this or discuss our guarantee, contact us. We are available here: http://tinyurl.com/npw4xxd