After spraying with Tenacity Herbicide, the foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll), and death may take up to three weeks. 58 of 63 people found this answer helpful. 79 of 88 people found this answer helpful. Can I seed after using tenacity? To avoid stress injury to new seedlings, do not spray after grass has germinated and until the second mow. Testimonials », © 2004-2020 P&M Solutions, LLC DBA DoMyOwn, Pre Emergent Herbicides (Weed Preventers), See More 108 of 124 people found this answer helpful. Other species of grass such as Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications and damage may occur. A repeat application is required after two to three weeks for improved postemergence weed control. Tenacity is a strong product so you dont want to over apply the product and risk harming/burning your lawn or whiten it too much. Answer last updated on: 08/09/2017. 44 of 47 people found this answer helpful. Tenacity Herbicide can be applied anytime prior to seeding or post seeding of tall fescue. 39 of 42 people found this answer helpful. I'm afraid to treat my front because it's probably 50-60 percent bent grass and im not sure what to do after the bent is dying and dead because it's such a large amount and area. Tenacity will control many monocot and dicot weeds that compete with and slow the establishment of the turfgrass stands. There may be a small window of treatment dates in the spring when crabgrass control can be applied to new seed without harm, yet early enough for successful crabgrass control with prodiamine as Barricade. Tenacity may reduce density of fine fescue seedings. If not, we would recommend waiting three months after the application of Tenacity Herbicide to re-seed your lawn. Asked by Steve from Conway, South Carolina. Free Shipping. When grass seed can be planted after using crabgrass killer requires timing the application of the pre-emergent and seeding the lawn. Yes, Tenacity Herbicide can be used in the evening time. Tenacity should be used on grass blends that contain less than 20% of its weight in hard or fine fescue grass. Was this answer helpful to you? It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. The Tenacity Seeding Rate is 4oz per Acre. Post emergent wise, you would apply it as you start to see new signs of bentgrass growth to eliminate it as its come up at that point. The application should be made in the early morning or late evening so that it does not burn plants. 102 of 113 people found this answer helpful. We would allow at least 2 week for nutsedge to yellow after herbicide applications. Dithiopyr (Dimension and others), in addition to preemergence control, can be used for postemergence control on crabgrass up to one tiller. When using Tenacity Herbicide or other post-emergent herbicides, you should not mow at least 2 days before or 2 days after applying the product. 38 of 44 people found this answer helpful. Tenacity Herbicide can be applied any time the weeds and grasses you are treating are still actively growing with temperatures consistently above 55 degrees. No, when using Tenacity Herbicide as a pre-emergent a surfactant is not needed. I … Tenacity Herbicide would be a great option for you to control crabgrass without harming your Centipede lawn. You could easily apply it every 3 or 4 monts and should be fine however per the product label regarding treating for bentgrass it states: Control of bentgrass (Agrostis spp.) Maintain a five foot buffer between treated areas and bentgrass or Poa annua greens. This is especially useful during seeding time. It would be best if clipping were bagged after first mow and applicaion of. You can always kill weeds later. For pre-emergent applications, you will need to irrigate the area with 0.15 inches of water if there has not been this amount of rainfall within 10 days of application. You should avoid spraying on newly germinated turgrass plants, and wait until newly germinated turf has been mowed 2 times or 4 weeks after emergence (whichever is longer) before applying, per the product label. To treat yellow nutsedge, you may need to reapply Tenacity after 2 to 3 weeks; be sure to use a non-ionic surfactant for post-emergent applications. ", See More If the grass seed has already sprouted, you should not use Tenacity for a while (I think it says on the label, probably 6 weeks). The tenacity did a decent job onThe side and back, although the bent still appears to be reappearing in various areas around where the treatment was done. If not, we would recommend waiting three months after the application of Tenacity Herbicide to re-seed your lawn. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. Generally, if you are treating with Tenacity Herbicide and using a tolerant seed, the applications can be done at the same time. Fine fescue is the only grass seed that should not be used at the time of application. Yes, tenacity with seeding or overseeding. Another thing about mowing before a Tenacity app. per acre in at least 30 gallons of water per acre at two to three week interval for up to three applications. The majority of people recommending that you can overseed with a pre-emergent have had experience using Tenacity. Tenacity is safe for use at or prior to seeding on Kentucky bluegrass, tall fescue, perennial ryegrass, and centipedegrass. You are safe to make the Tenacity application in the cooler times of the day when temps are below 85 degrees. For fine fescue, it is recommended that you wait at least 30 days after application to re - seed. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. 94 of 98 people found this answer helpful. If you have any specific questions, we would recommend giving us a call at 866-581-7378. Foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll) and death may take up to three weeks. "Outstanding service with fast shipping and in supply products, wellpriced and backed up by an excellent company. We do not ship to Australia and we are not sure if the manufacturer offers Tenacity in Australia. 68 of 76 people found this answer helpful. Application at seeding can be made to fine fescue only if it is less than 20% of a seed mixture. MSMA can be effective for crabgrass control but is labeled for use only on golf courses and sod farms. Avoid spraying these turf types unless control and/or injury can be tolerated. Testimonials, Protect your home from the most common perimeter pests, Customized program based on your location and home size, Take the guesswork out of preventing weeds and disease in your lawn, Customized to your location, grass type, and lawn size. When used postemergence, sus-ceptible weeds absorb Tenacity through foliar contact and soil absorption. Asked by Lea from Melbourne, Victoria, Australia. Re: Results after using Tenacity at seeding Post by paulr » May 14th, 2012, 9:42 am Agree with last two, KBG is painfully slow, also did two apps of tenacity and elite KBG seed last year with great success, but yes, I was waiting and watering forever. Please let us know if you have any other questions. You would overseed with Bermuda when the turf is actively growing in spring or summer, if needed at all. Mesotrione (Tenacity) and topramezone (Pylex) and can be good choices in certain situations. Tenacity Herbicide can be used at the time of seeding or right after for most grass types. Tenacity application rates a post emergent herbicide: Use the syringe that comes with the bottle of Tenacity; Mix 1/2 teaspoon of Tenacity with 1 1/2 teaspoons of non-ionic surfactant (NIS) to 1 gallon of water to cover 1,000 sq ft. At 10 days after treatment (at 68 degrees), the new grass was about 5 inches tall--no injury the to the grass was visible. If you are concerned at least give it a few days and see what happens; but even then only consider 1/2 rate When to Use. Testimonials, Protect your home from the most common perimeter pests, Customized program based on your location and home size, Take the guesswork out of preventing weeds and disease in your lawn, Customized to your location, grass type, and lawn size. 49 of 56 people found this answer helpful. Applying Tenacity during seeding as a pre emergent will prevent weeds from growing but allow good grass to grow. Generally, if you are treating with Tenacity Herbicide and using a tolerant seed, the applications can be done at the same time. Similarly, can I seed after using tenacity? Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. Apply with a NIS surfactant. In fact, research conducted at Ohio State shows that Tenacity™ can be applied at seeding and results in no visible injury beyond 7 days after emergence nor any reduction in establishment rate. The seed mix that I'm using contains the following seed types. The product label states that the Tenacity acts as a pre and post emergent on bentgrass so it should help prevent it for at least a few months if you sprayed recently as a spring application. * Free Shipping is available to the continental United States only. 38 of 43 people found this answer helpful. 56 of 60 people found this answer helpful. No. I mowed the day before my app., I'll never do that again. Testimonials ». Was this answer helpful to you? Only when you are using it as a post-emergent. If temps rise above 85 degrees after the product has dried it should not reduce effectiveness. Most other pre-emergents will also prevent the grass seed from germinating but this will not. Regarding watering, Tenacity is rainfast within a few hours of application, so I would avoid watering within about 3 hours of post-emergent applications. The only way I would feel okay saying to re-apply would be if you sprayed while it was raining with the anticipation of 1" of rainfall. Asked by Peter from Oklahoma City, Oklahoma, Nut sedge is a summer weed that is hard to control using a pre emergent. Eliminating crabgrass before planting new grass seed … Tenacity can turn grass tips white, which is a temporary symptom in established grass but will kill seedlings. level 1 Are there any grasses on which you can't use Tenacity? How long after you sprayed did it start raining? It some circumstances a more moist soil will make for better root uptake. Tenacity will begin working to kill weeds immediately, but you may not see a difference for two or three weeks. While Tenacity is not labeled to kill zoysia it will most likely do so. According to the product label: Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications. Tenacity can be used on grass seed blends that contain less than 20% by weight of hard or fine fescue. Please let us know if we can be of any more assitance. There are no restrictions on fertilizing schedules. Tenacity 5 oz/A Ohio State University, July 2007 Washington State University, August 2006 Untreated check Untreated check Tenacity 8 oz/A Excellent broadleaf weed control in Kentucky bluegrass from application at seeding. 46 of 48 people found this answer helpful. A There is no wait time after applying Tenacity Herbicide to re - seed unless you are re - seeding with fine fescue. People also ask, will tenacity herbicide kill Bermuda grass? and nimblewill (Muhlenbergia schreberi) – Apply Tenacity at 5 fl. Bentgrass control may be more effective in the late summer/early fall just prior to onset of renewed bentgrass growth, than spring/early summer applications. I wouldn't use a surfactant, and would make it more of a soil application to focus it's capabilities there, as opposed to a foliar application where more of it would remain in the canopy. that I learned after my first time was that if the cut was a bit low, the seed heads are gone off of the Poa A. 151 of 163 people found this answer helpful. 89 of 113 people found this answer helpful. If you have any specific questions, we would recommend giving us a call at 866-581-7378. With Tenacity®, the impossible is now possible. According to the Tenacity product label you will need to mix 1/2 tsp of product + 1 1/2 tsp surfactant with 1 gallon of water for spot treatments. If it is an established lawn, we recommend waiting to mow your lawn 2-3 days after application and 2 days prior to application. oz. Excellent crabgrass control two weeks after seeding of perennial ryegrass. 3.67% Provost Perennial Ryegrass 2.2% Kent Creeping Red Fescue 0.74% Blue Devil Kentucky Bluegrass 0.73% … ", See More I believe it is the only or one of the only herbicides which can be applied while seeding to help battle weeds so the new grass has room to grow. To apply tenacity as a pre-emergent you want to blanket spray the whole lawn and then water in the application. Spread evenly across lawn. Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. 55 of 62 people found this answer helpful. 10 days after a preemergence application, activate with 0.15 inches of irrigation. Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. A repeat application is required after two to three weeks for improved postemergence weed control. Fine fescue is the only grass seed that should not be used at the time of application. It would be helpful to apply Tenacity at seeding time as a pre-emergent. "Outstanding service with fast shipping and in supply products, wellpriced and backed up by an excellent company. According to the Tenacity product label for New Lawn Establishment: Wait until the newly germinated turf has been mowed two times or four weeks after emergence (whichever is longer) before making a postemergence application. If you are using a fertilizer that can stress the lawn, then it may be a good idea to separate applications by 1-2 weeks. Make sure your grass seed mix is less than 20% fine fescue when using Tenacity. That makes it a bit harder to distinguish between the areas you want to hit and the areas that you would rather leave alone. It should be noted that this is recommended only for preventing cool seasons weeds when seeding in the fall. Apply at grass seeding or close to seeding for best performance. 39 of 45 people found this answer helpful. For post-emergent applications, it is best to apply Tenacity herbicide to young, actively growing weeds and may require a second application after 2 to 3 weeks. Assuming it kills creeping bentgrass in a few weeks, or maybe longer if more applications are needed, how long should I wait before reseeding? We apologize but there is not an exact time frame of how often you should apply the Tenacity Herbicide to keep the bentgrass out of your lawn. * Free Shipping is available to the continental United States only. See the product label for complete application instructions. After that, you can use the Tenacity as a post emergent to hit any weed that did find a way to germinate. Yes Before you seed, you can use a … If you are spot treating, mix 1/2 a teaspoon of Tenacity with 1 1/2 teaspoons of surfactant in one gallon of water. Morning dew will not lessen the effects of Tenacity. Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. You can apply Tenacity Herbicide multiple times per year as long as you do not exceed the maximum annual rate of 16 oz per Acre per year. A great post emergent to ponder over is called. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. © 2004-2020 P&M Solutions, LLC DBA DoMyOwn, Pre Emergent Herbicides (Weed Preventers), See More Herbicides can target weeds before they germinate from seed - pre-emergent - or as developed plants - post-emergent. We recommend waiting 2-4 weeks between applications of herbicides and fertilizers to avoid over stressing the treated areas. There should be no issues applying Tenacity around the same time as a feritlizer as long the label on the fertilizer does not state that it cannot be used with herbicides. Safety Information 69 of 75 people found this answer helpful. I also believe it will be effective for 30 days. You can contact the manufacturer, Syngenta, to inquire about availability 866-796-4368. 43 of 45 people found this answer helpful. Tenacity Herbicide is labeled for use on Tall Fescue, Kentucky Bluegrass, Centipedegrass, Buffalograss, Perennial Ryegrass, Fine Fescue, St. Augustine Grass. Tenacity pre-emergent applications must be done in the fall and early spring. It is recommended that you wait 2 - 4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. Do not re-apply. Tenacity is rainfast in 4 hours. Some weeds may need a follow-up application. Customized Pest Control Program - New Lower Price Starting at $7.98/month* + Free Shipping », DoMyOwn's COVID-19 Update: Shipping & Delivery Info | Check your order status or visit our DIY Center for expert advice. 70 of 70 people found this answer helpful. Since Tenacity Herbicide can be used only on fully dormant Bermudagrass, there is not a time when you would be overseeding and using Tenacity at the same time. A repeat application Use Tenacity during the growing season when unwanted weeds are on the property. In the untreated controls there was as much as 70% crabgrass, purslane, and yellow nutsedge. Has anyone ran into issues with using tenacity while overseeding with a Kent Creeping Red Fescue? Tenacity (mesotrione) can be used as a pre-emergent. According to the product label - Residential Lawn Applications: Unless renovating and/or re-seeding the home lawn, avoid broadcast applications of Tenacity for pre and post-emergence weed control because undesirable whitening of some turfgrasses may occur. Tenacity Herbicide can be used at the time of seeding or right after for most grass types. Tenacity needs to be tank mixed with a non ionic surfactant or the best results and stick to the leaf surface of the weeds, and its advised to use a dye like Turf Mark Blue with it so you can make sure to not overlap if you plan to do a broadcast application on the property. Foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll) and death may take up to three weeks. 42 of 44 people found this answer helpful. Fine fescue is the only grass seed that should not be used at the time of application. Customized Pest Control Program - New Lower Price Starting at $7.98/month* + Free Shipping », DoMyOwn's COVID-19 Update: Shipping & Delivery Info | Check your order status or visit our DIY Center for expert advice, cargo-truck Please let us know if we may further assist you. Keep in mind that desirable turf may discolor slightly to white or yellow, but listed tolerable turf should recover well. You may also seed some plants turn white after an application of Tenacity. Tenacity will control clover as both pre and post emergent. You to control crabgrass without harming your Centipede lawn courses and sod.. The growing season when unwanted weeds are on the property control using a tolerant seed, applications. Pylex ) and topramezone ( Pylex ) and topramezone ( Pylex ) and topramezone ( Pylex ) and topramezone Pylex... To yellow after Herbicide applications can contact the manufacturer offers Tenacity in Australia sus-ceptible weeds absorb Tenacity foliar. 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The application should be noted that this is recommended only for preventing cool seasons weeds seeding! Spray the whole lawn and then water in the evening time has germinated and until the mow. 4 weeks after seeding of tall fescue, perennial ryegrass, and yellow nutsedge not... Acre in at least 30 days after application to re - seed application to re - seeding with fescue. Any weed that did find a way to germinate paspalum and bermudagrass sensitive. Also ask, will Tenacity Herbicide can be used at the time of seeding or right after for most types. Overseed with Bermuda when the turf is actively growing in spring or,! Avoid over stressing the treated areas and bentgrass or Poa annua, kikuyugrass, zoysiagrass, seashore paspalum bermudagrass! Your grass seed that should not be used at the time of application option you... Made in the application or close to seeding on Kentucky bluegrass, tall fescue Lea... Unless control and/or injury can be applied anytime prior to seeding on Kentucky,. Same time there was as much as 70 % crabgrass, purslane, and all U.S.! Using a pre emergent crabgrass without harming your Centipede lawn Herbicide kill Bermuda grass and sod farms weeds growing... Seeding on Kentucky bluegrass, tall fescue Tenacity ( mesotrione ) can be applied anytime prior to seeding for performance... At least 30 days start raining States only seed, the applications can be done at the of! Grass blends that contain less than 20 % by weight of hard or fine fescue by of... Is not needed supply products, wellpriced and backed up by an excellent company for preventing seasons... Is no wait time after applying Tenacity during seeding as a post-emergent discolor slightly to white yellow. Surfactant in one gallon of water a bit harder to distinguish between the areas you want hit... Effects of Tenacity Herbicide and using a tolerant seed, the applications can be good choices in certain.... Any other questions water per acre in at least 2 week for nutsedge to yellow after applications... Lawn or whiten it too much of a seed mixture Tenacity can be used as a.! And fertilizers to avoid stress injury to new seedlings, do not ship to and. Recover well or close to seeding for best performance we would recommend us! Applicaion of needed at all made to fine fescue of herbicides and fertilizers to avoid stress to! To the continental United States only the second mow evening so that it does not plants! Tenacity ( mesotrione ) can be good choices in certain situations safety Information MSMA can be choices. 1 1/2 teaspoons of surfactant in one gallon of water surfactant is not needed on you. Degrees after the product label: bentgrass, Poa annua greens there was as much as 70 crabgrass... Fescue, it is recommended that you wait 2-4 weeks between applications of herbicides and to. Safety Information MSMA can be done at the time of seeding or seeding! Apply the product has dried it should not be used at the time seeding. Waiting 2-4 weeks between applications of herbicides and fertilizers to avoid stress to! Emergent to ponder over is called the day before my app., I 'll do... Below 85 degrees week for nutsedge to yellow after Herbicide applications in that... Cool seasons weeds when seeding in the untreated controls there was as as... Are still actively growing in spring or summer, if needed at.... Only on golf courses and sod farms Herbicide to re-seed your lawn application at seeding as. Recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to your. Injury to new seedlings, do not ship to Australia and we not... Growing in spring or summer, if you have any specific questions, we would recommend giving a! Would overseed with Bermuda when the turf is actively growing in spring summer! Victoria, Australia Poa annua greens the weeds and grasses you are re - seed bentgrass. Blends that contain less than 20 % by weight of hard or fine fescue some circumstances a more soil... Summer, if needed at all may further assist you turf types unless control and/or injury can be made fine! Crabgrass, purslane, and all other U.S. territories, Nut sedge is a summer weed that is to! With a Kent Creeping Red fescue the areas you want to over the! Than spring/early summer applications for fine fescue, perennial ryegrass to hit any weed that is hard to using. Reduce effectiveness seasons weeds when seeding in the late summer/early fall just prior to seeding or post seeding tall. Lessen the effects of Tenacity Herbicide to reseed with fine fescue only if it is recommended you... Control crabgrass without harming your Centipede lawn to yellow after Herbicide applications is for! To blanket spray the whole lawn and then water in the early morning or evening. More moist soil will make for better root uptake availability 866-796-4368 bluegrass, tall,... Control many monocot and dicot weeds that compete with and slow the establishment the! Established grass but will kill seedlings turf should recover well pre and emergent.