Has anyone ran into issues with using tenacity while overseeding with a Kent Creeping Red Fescue? Yes, Tenacity Herbicide can be used in the evening time. 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. A There is no wait time after applying Tenacity Herbicide to re - seed unless you are re - seeding with fine fescue. Herbicides can target weeds before they germinate from seed - pre-emergent - or as developed plants - post-emergent. Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. Tenacity pre-emergent applications must be done in the fall and early spring. 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. Maintain a five foot buffer between treated areas and bentgrass or Poa annua greens. 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. 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. Some weeds may need a follow-up application. 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. We recommend waiting 2-4 weeks between applications of herbicides and fertilizers to avoid over stressing the treated areas. 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. When used postemergence, sus-ceptible weeds absorb Tenacity through foliar contact and soil absorption. Other species of grass such as Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications and damage may occur. No. Tenacity will control many monocot and dicot weeds that compete with and slow the establishment of the turfgrass stands. 94 of 98 people found this answer helpful. 69 of 75 people found this answer helpful. The application should be made in the early morning or late evening so that it does not burn plants. 39 of 45 people found this answer helpful. 56 of 60 people found this answer helpful. Only when you are using it as a post-emergent. You can contact the manufacturer, Syngenta, to inquire about availability 866-796-4368. Spread evenly across lawn. 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. Tenacity Herbicide can be applied any time the weeds and grasses you are treating are still actively growing with temperatures consistently above 55 degrees. 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. Tenacity Herbicide can be used at the time of seeding or right after for most grass types. When to Use. ", See More 49 of 56 people found this answer helpful. Regarding watering, Tenacity is rainfast within a few hours of application, so I would avoid watering within about 3 hours of post-emergent applications. A great post emergent to ponder over is called. ", See More Mesotrione (Tenacity) and topramezone (Pylex) and can be good choices in certain situations. 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 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. 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. If temps rise above 85 degrees after the product has dried it should not reduce effectiveness. 58 of 63 people found this answer helpful. 42 of 44 people found this answer helpful. oz. Please let us know if we can be of any more assitance. 108 of 124 people found this answer helpful. 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. 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. Please let us know if we may further assist you. Are there any grasses on which you can't use Tenacity? Fine fescue is the only grass seed that should not be used at the time of application. While Tenacity is not labeled to kill zoysia it will most likely do so. 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. Asked by Lea from Melbourne, Victoria, Australia. 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.) This is especially useful during seeding time. Fine fescue is the only grass seed that should not be used at the time of application. At 10 days after treatment (at 68 degrees), the new grass was about 5 inches tall--no injury the to the grass was visible. level 1 There are no restrictions on fertilizing schedules. 55 of 62 people found this answer helpful. Tenacity is rainfast in 4 hours. If you have any specific questions, we would recommend giving us a call at 866-581-7378. To avoid stress injury to new seedlings, do not spray after grass has germinated and until the second mow. Safety Information We would allow at least 2 week for nutsedge to yellow after herbicide applications. If it is an established lawn, we recommend waiting to mow your lawn 2-3 days after application and 2 days prior to application. A repeat application is required after two to three weeks for improved postemergence weed control. You can always kill weeds later. Tenacity may reduce density of fine fescue seedings. Avoid spraying these turf types unless control and/or injury can be tolerated. 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. It is recommended that you wait 2-4 weeks after an application of Tenacity Herbicide to reseed with fine fescue. Eliminating crabgrass before planting new grass seed … According to the product label: Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum and bermudagrass are sensitive to Tenacity applications. 38 of 43 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. If you are spot treating, mix 1/2 a teaspoon of Tenacity with 1 1/2 teaspoons of surfactant in one gallon of water. 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. per acre in at least 30 gallons of water per acre at two to three week interval for up to three applications. Free Shipping. 3.67% Provost Perennial Ryegrass 2.2% Kent Creeping Red Fescue 0.74% Blue Devil Kentucky Bluegrass 0.73% … Similarly, can I seed after using tenacity? 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. Asked by Peter from Oklahoma City, Oklahoma, Nut sedge is a summer weed that is hard to control using a pre emergent. 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. 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. Yes, tenacity with seeding or overseeding. Tenacity should be used on grass blends that contain less than 20% of its weight in hard or fine fescue grass. Use Tenacity during the growing season when unwanted weeds are on the property. 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. Another thing about mowing before a Tenacity app. For fine fescue, it is recommended that you wait at least 30 days after application to re - seed. Apply at grass seeding or close to seeding for best performance. I also believe it will be effective for 30 days. 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. 39 of 42 people found this answer helpful. 43 of 45 people found this answer helpful. 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. Dithiopyr (Dimension and others), in addition to preemergence control, can be used for postemergence control on crabgrass up to one tiller. I … Applying Tenacity during seeding as a pre emergent will prevent weeds from growing but allow good grass to grow. It should be noted that this is recommended only for preventing cool seasons weeds when seeding in the fall. Tenacity will begin working to kill weeds immediately, but you may not see a difference for two or three weeks. Tenacity Herbicide is labeled for use on Tall Fescue, Kentucky Bluegrass, Centipedegrass, Buffalograss, Perennial Ryegrass, Fine Fescue, St. Augustine Grass. 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. Application at seeding can be made to fine fescue only if it is less than 20% of a seed mixture. 38 of 44 people found this answer helpful. Foliage of treated weeds cease growth after application, then turn white (loss of chlorophyll) and death may take up to three weeks. See the product label for complete application instructions. Tenacity will control clover as both pre and post emergent. You are safe to make the Tenacity application in the cooler times of the day when temps are below 85 degrees. 102 of 113 people found this answer helpful. © 2004-2020 P&M Solutions, LLC DBA DoMyOwn, Pre Emergent Herbicides (Weed Preventers), See More If you are concerned at least give it a few days and see what happens; but even then only consider 1/2 rate People also ask, will tenacity herbicide kill Bermuda grass? In the untreated controls there was as much as 70% crabgrass, purslane, and yellow nutsedge. 151 of 163 people found this answer helpful. Excludes Alaska, Hawaii, Puerto Rico, and all other U.S. territories. * Free Shipping is available to the continental United States only. 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. How long after you sprayed did it start raining? Asked by Steve from Conway, South Carolina. 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