What herbicide is best for orchard grass control?

• <div><p>Glyphosate and other non-selective herbicides can kill orchard grass, but they will also kill the surrounding plants. Also, not all areas allow the use of glyphosate due to its environmental impact—<a href="https://www.epa.gov/ingredients-used-pesticide-products/glyphosate">which the EPA describes</a> as a "potential risk to terrestrial and aquatic plants and birds, and low toxicity to honeybees." Consider mechanical removal to target the plants specifically.</p><p></p></div>

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Q: How long does herbicide take to work?

• <div><p>It usually takes between two weeks and a month for weeds to fully die off after you spray them with herbicide, but they will start to wilt within the first week. Different weed sprays produce different results, with some working more quickly and effectively than others. Similarly, some weeds are killed more easily than others. Consult your weed removal pro for an exact timeline based on their weed removal method.</p></div>

Q: Is Johnsongrass hard to kill?

• <div><p>Yes, Johnsongrass is a hard weed to kill. It has the ability to grow fast and spread even quicker, so it requires a detailed plan and thorough application to eliminate it. The best plan of action is to kill Johnsongrass while the weed is establishing itself by <a href="https://www.angi.com/articles/hire-lawn-service-5-signs-good-lawn-care-company.htm">hiring a lawn care professional</a> or following the steps above. </p></div>

Q: Will mowing kill Johnsongrass?

• <div><p><a href="https://www.angi.com/articles/grass-cutting-tips-know-you-mow.htm">Mowing your grass</a> regularly, especially if you&rsquo;re mowing close to the ground, can help kill Johnsongrass. Frequent mowing helps limit the spread of Johnsongrass and can even deplete carbohydrate reserves in rhizomes over time. The more time you leave in between mowing, the more likely Johnsongrass is to regrow and take over your lawn. </p></div>

Q: Does landscaping fabric prevent weed growth?

• <div><p>Landscaping fabric can only help to prevent weed growth in the short term. It's not an ideal long-term solution because dirt will eventually make its way on top of it, causing weeds to sprout. These fabrics can also leave microplastics in the environment for many, many years, so pulling weeds using one of the methods in this guide as soon as you see them is a better long-term prevention strategy.</p></div>

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Verified Reviews for Weed Maintenance pros in Nephi, UT

*The Angi rating for Weed Maintenance companies in Nephi, UT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Weed Maintenance needs.

*The HomeAdvisor rating for Weed Maintenance companies in Nephi, UT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Weed Maintenance needs.

Last update on November 25, 2025

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Weed Services questions, answered by experts

Glyphosate and other non-selective herbicides can kill orchard grass, but they will also kill the surrounding plants. Also, not all areas allow the use of glyphosate due to its environmental impact—which the EPA describes as a "potential risk to terrestrial and aquatic plants and birds, and low toxicity to honeybees." Consider mechanical removal to target the plants specifically.

It usually takes between two weeks and a month for weeds to fully die off after you spray them with herbicide, but they will start to wilt within the first week. Different weed sprays produce different results, with some working more quickly and effectively than others. Similarly, some weeds are killed more easily than others. Consult your weed removal pro for an exact timeline based on their weed removal method.

Yes, Johnsongrass is a hard weed to kill. It has the ability to grow fast and spread even quicker, so it requires a detailed plan and thorough application to eliminate it. The best plan of action is to kill Johnsongrass while the weed is establishing itself by hiring a lawn care professional or following the steps above.

Mowing your grass regularly, especially if you’re mowing close to the ground, can help kill Johnsongrass. Frequent mowing helps limit the spread of Johnsongrass and can even deplete carbohydrate reserves in rhizomes over time. The more time you leave in between mowing, the more likely Johnsongrass is to regrow and take over your lawn.

Landscaping fabric can only help to prevent weed growth in the short term. It's not an ideal long-term solution because dirt will eventually make its way on top of it, causing weeds to sprout. These fabrics can also leave microplastics in the environment for many, many years, so pulling weeds using one of the methods in this guide as soon as you see them is a better long-term prevention strategy.

The Nephi, UT homeowners’ guide to weed maintenance services

From average costs to expert advice, get all the answers you need to get your job done.

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