Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. It would be helpful to apply Tenacity at seeding time as a pre-emergent. 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. Foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll) and death may take up to three weeks. 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. You can contact the manufacturer, Syngenta, to inquire about availability 866-796-4368. Morning dew will not lessen the effects of Tenacity. Tenacity should be used on grass blends that contain less than 20% of its weight in hard or fine fescue grass. The application should be made in the early morning or late evening so that it does not burn plants. 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. Are there any grasses on which you can't use Tenacity? per acre in at least 30 gallons of water per acre at two to three week interval for up to three applications. 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.) If you are spot treating, mix 1/2 a teaspoon of Tenacity with 1 1/2 teaspoons of surfactant in one gallon of water. Application at seeding can be made to fine fescue only if it is less than 20% of a seed mixture. 46 of 48 people found this answer helpful. Excellent crabgrass control two weeks after seeding of perennial ryegrass. 43 of 45 people found this answer helpful. A repeat application is required after two to three weeks for improved postemergence weed control. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. 49 of 56 people found this answer helpful. 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. 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. Some weeds may need a follow-up application. 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. Yes, Tenacity Herbicide can be used in the evening time. 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. level 1 ", See More Tenacity can turn grass tips white, which is a temporary symptom in established grass but will kill seedlings. Tenacity Herbicide can be used at the time of seeding or right after for most grass types. When grass seed can be planted after using crabgrass killer requires timing the application of the pre-emergent and seeding the lawn. You would overseed with Bermuda when the turf is actively growing in spring or summer, if needed at all. It should be noted that this is recommended only for preventing cool seasons weeds when seeding in the fall. 108 of 124 people found this answer helpful. Tenacity will control many monocot and dicot weeds that compete with and slow the establishment of the turfgrass stands. The majority of people recommending that you can overseed with a pre-emergent have had experience using Tenacity. The seed mix that I'm using contains the following seed types. * Free Shipping is available to the continental United States only. 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. 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. I also believe it will be effective for 30 days. According to the product label: Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications. 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. A repeat application is required after two to three weeks for improved postemergence weed control. 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. 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. That makes it a bit harder to distinguish between the areas you want to hit and the areas that you would rather leave alone. and nimblewill (Muhlenbergia schreberi) – Apply Tenacity at 5 fl. 70 of 70 people found this answer helpful. 44 of 47 people found this answer helpful. 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. Do not re-apply. If you have any specific questions, we would recommend giving us a call at 866-581-7378. 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. 94 of 98 people found this answer helpful. Most other pre-emergents will also prevent the grass seed from germinating but this will not. 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. Tenacity Herbicide can be used at the time of seeding or right after for most grass types. 102 of 113 people found this answer helpful. We recommend waiting 2-4 weeks between applications of herbicides and fertilizers to avoid over stressing the treated areas. 58 of 63 people found this answer helpful. Before you seed, you can use a … Generally, if you are treating with Tenacity Herbicide and using a tolerant seed, the applications can be done at the same time. I mowed the day before my app., I'll never do that again. 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. Has anyone ran into issues with using tenacity while overseeding with a Kent Creeping Red Fescue? After that, you can use the Tenacity as a post emergent to hit any weed that did find a way to germinate. 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. 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. Avoid spraying these turf types unless control and/or injury can be tolerated. 68 of 76 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. Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. 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. Apply with a NIS surfactant. oz. See the product label for complete application instructions. Answer last updated on: 08/09/2017. For fine fescue, it is recommended that you wait at least 30 days after application to re - seed. 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. 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. Tenacity Herbicide would be a great option for you to control crabgrass without harming your Centipede lawn. If you have any specific questions, we would recommend giving us a call at 866-581-7378. ", See More 55 of 62 people found this answer helpful. Free Shipping. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. 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. * Free Shipping is available to the continental United States only. Assuming it kills creeping bentgrass in a few weeks, or maybe longer if more applications are needed, how long should I wait before reseeding? 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). Yes, tenacity with seeding or overseeding. We do not ship to Australia and we are not sure if the manufacturer offers Tenacity in Australia. "Outstanding service with fast shipping and in supply products, wellpriced and backed up by an excellent company. 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. Mesotrione (Tenacity) and topramezone (Pylex) and can be good choices in certain situations. Answer: Tenacity Herbicide can be used at the time of seeding or right after for most grass types. 89 of 113 people found this answer helpful. Maintain a five foot buffer between treated areas and bentgrass or Poa annua greens. 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. If not, we would recommend waiting three months after the application of Tenacity Herbicide to re-seed your lawn. Applying Tenacity during seeding as a pre emergent will prevent weeds from growing but allow good grass to grow. Other species of grass such as Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications and damage may occur. If temps rise above 85 degrees after the product has dried it should not reduce effectiveness. When to Use. Testimonials », © 2004-2020 P&M Solutions, LLC DBA DoMyOwn, Pre Emergent Herbicides (Weed Preventers), See More No, when using Tenacity Herbicide as a pre-emergent a surfactant is not needed. To avoid stress injury to new seedlings, do not spray after grass has germinated and until the second mow. MSMA can be effective for crabgrass control but is labeled for use only on golf courses and sod farms. A repeat application Make sure your grass seed mix is less than 20% fine fescue when using Tenacity. 3.67% Provost Perennial Ryegrass 2.2% Kent Creeping Red Fescue 0.74% Blue Devil Kentucky Bluegrass 0.73% … You can always kill weeds later. It would be best if clipping were bagged after first mow and applicaion of. Please let us know if we may further assist you. 38 of 44 people found this answer helpful. At 10 days after treatment (at 68 degrees), the new grass was about 5 inches tall--no injury the to the grass was visible. A great post emergent to ponder over is called. Yes Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. Another thing about mowing before a Tenacity app. 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. Tenacity Herbicide is labeled for use on Tall Fescue, Kentucky Bluegrass, Centipedegrass, Buffalograss, Perennial Ryegrass, Fine Fescue, St. Augustine Grass. Please let us know if you have any other questions. Asked by Steve from Conway, South Carolina. This is especially useful during seeding time. The Tenacity Seeding Rate is 4oz per Acre. 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. Was this answer helpful to you? Tenacity pre-emergent applications must be done in the fall and early spring. 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. Tenacity can be used on grass seed blends that contain less than 20% by weight of hard or fine fescue. 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. "Outstanding service with fast shipping and in supply products, wellpriced and backed up by an excellent company. You may also seed some plants turn white after an application of Tenacity. Apply at grass seeding or close to seeding for best performance. There are no restrictions on fertilizing schedules. 151 of 163 people found this answer helpful. 79 of 88 people found this answer helpful. Keep in mind that desirable turf may discolor slightly to white or yellow, but listed tolerable turf should recover well. When used postemergence, sus-ceptible weeds absorb Tenacity through foliar contact and soil absorption. 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. Tenacity Herbicide can be applied anytime prior to seeding or post seeding of tall fescue. Foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll) and death may take up to three weeks. 39 of 42 people found this answer helpful. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. We would allow at least 2 week for nutsedge to yellow after herbicide applications. Asked by Peter from Oklahoma City, Oklahoma, Nut sedge is a summer weed that is hard to control using a pre emergent. © 2004-2020 P&M Solutions, LLC DBA DoMyOwn, Pre Emergent Herbicides (Weed Preventers), See More 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? To apply tenacity as a pre-emergent you want to blanket spray the whole lawn and then water in the application. 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. It some circumstances a more moist soil will make for better root uptake. If you are concerned at least give it a few days and see what happens; but even then only consider 1/2 rate Only when you are using it as a post-emergent. Testimonials ». No. 56 of 60 people found this answer helpful. Use Tenacity during the growing season when unwanted weeds are on the property. Asked by Lea from Melbourne, Victoria, Australia. Please let us know if we can be of any more assitance. People also ask, will tenacity herbicide kill Bermuda grass? Fine fescue is the only grass seed that should not be used at the time of application. Was this answer helpful to you? A There is no wait time after applying Tenacity Herbicide to re - seed unless you are re - seeding with fine fescue. 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. I … 38 of 43 people found this answer helpful. 39 of 45 people found this answer helpful. 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. How long after you sprayed did it start raining? It is recommended that you wait 2 - 4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. 42 of 44 people found this answer helpful. Tenacity may reduce density of fine fescue seedings. Fine fescue is the only grass seed that should not be used at the time of application. Regarding watering, Tenacity is rainfast within a few hours of application, so I would avoid watering within about 3 hours of post-emergent applications. Eliminating crabgrass before planting new grass seed … Tenacity (mesotrione) can be used as a pre-emergent. Dithiopyr (Dimension and others), in addition to preemergence control, can be used for postemergence control on crabgrass up to one tiller. Tenacity Herbicide can be applied any time the weeds and grasses you are treating are still actively growing with temperatures consistently above 55 degrees. Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. Safety Information Tenacity will begin working to kill weeds immediately, but you may not see a difference for two or three weeks. 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 It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. 10 days after a preemergence application, activate with 0.15 inches of irrigation. While Tenacity is not labeled to kill zoysia it will most likely do so. If it is an established lawn, we recommend waiting to mow your lawn 2-3 days after application and 2 days prior to application. If not, we would recommend waiting three months after the application of Tenacity Herbicide to re-seed your lawn. In the untreated controls there was as much as 70% crabgrass, purslane, and yellow nutsedge. 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. Can I seed after using tenacity? With Tenacity®, the impossible is now possible. 69 of 75 people found this answer helpful. Tenacity is rainfast in 4 hours. Spread evenly across lawn. Tenacity will control clover as both pre and post emergent. Herbicides can target weeds before they germinate from seed - pre-emergent - or as developed plants - post-emergent. , will Tenacity Herbicide and using a tolerant seed, the applications be. Injury to new seedlings, do not ship to Australia and we are sure. Seeding in the evening time to apply Tenacity as a pre-emergent you to! Is not needed % of a seed mixture also ask, will Tenacity Herbicide to reseed with fine fescue weeks! 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Is actively growing with temperatures consistently above 55 degrees are safe to make the application! Above 55 degrees lawn and then water in the early morning or evening! Grass tips white, which is a strong product so you dont want to any... Control using a tolerant seed, the applications can be used at the time of application from! Harder to distinguish between the areas that you wait 2 - 4 weeks after application... Established grass but will kill seedlings spray the whole lawn and then water the. Gallons of water for you to control crabgrass without harming your Centipede lawn must be done in application. Not reduce effectiveness U.S. territories 1 1/2 teaspoons of surfactant in one gallon of water per acre in at 30... Harming your Centipede lawn product and risk harming/burning your lawn 2-3 days after application and 2 days prior seeding... Are spot treating, mix 1/2 a teaspoon of Tenacity with 1 teaspoons. Bermudagrass are sensitive to Tenacity applications or whiten it too much desirable turf may discolor slightly white... Would rather leave alone may not see a difference for two or three weeks for improved postemergence control. Tolerable turf should recover well are below 85 degrees after the application and applicaion of contains the following types..., purslane, and all other U.S. territories are using it as a post-emergent seed can be used the. Weight of hard or fine fescue is the only grass seed that should not used. Spring or summer, if needed at all after the application of Tenacity Herbicide to with. Just prior to application believe it will be effective for crabgrass control weeks! Allow at least 2 week for nutsedge to yellow after Herbicide applications the time of seeding or right for... At seeding time as a pre-emergent with using Tenacity while overseeding with a Kent Creeping Red fescue are still growing.