A surfactant is recommended with Tenacity to improve weed control and provide a better stick to the leaf surface of the weeds. per season. Consult label for specific turf restrictions. Can temporarily whiten or bleach desired turf but white grass tips can be mowed off. My understanding is it prevents weed from making chlorophyll and they turn white. The “WG” stands for “wettable granule” meaning this is a dry product that you mix in water to crea... Full Product Details. Apply uniformly over area regardless of distribution of the weed. Newly seeded turf should not be treated until after the second or third mowing. Only available as a ready to use spray for certain species of residential lawns (Kentucky bluegrass, perennial ryegrass, and fescues). Simply attach the easy-to-use product to a hose and spray to apply. Size: 10oz Grass Types: St Augustine (including Floratam), Bermuda, Centipede, Zoysia. Does not control chickweed. Used in cool- and warm-season grasses; apply to healthy well-established turf with well-anchored root system. Tenacity is the best kept secret for weed control in lawns. Active through the soil; do not use where roots of ornamental plants may extend into treated area or spray on tree basins. However a repeat application to the same site causes less whitening of the plant tissue. Cursing the day that DSMA and MSMA were banned, as they were good controls for windmill grass. Labeled for use in golf courses, sports fields, residential and commercial lawns, parks, and sod farms. Safe for use in most turfgrass species, however a few cultivars are sensitive. Has postemergence activity on crabgrass seedlings up to the 5-leaf stage. Also suppresses crabgrass and dallisgrass. Tenacity Herbicide is used for weed control in turfgrasses in residential and commercial sites, golf courses (excluding putting greens with a 5 foot buffer), sod farms, athletic fields, parks, cemeteries, airports, and lawns. No, we would recommend making 2 different applications. Controls annual grasses, annual sedges, and many broadleaf weeds by inhibiting root development. It will interfere with overseeding of grasses for 4 to 10 months, depending on the rate used. Tenacity 8oz Mesotrione40%. COMMENTS: Apply to established turfgrass in summer for control of yellow and purple nutsedge, and green kyllinga suppression. We only carry 1 product that is labeled to treat Red Thread (Laetisaria fuciformis) which is Secure Fungicide. Usually requires two applications starting when sedge is in the 3- to 6-leaf stage followed 6 to 10 weeks later with the second application. and 52 answers. How Do I Rid a Lawn of Creeping Bentgrass?. Repeated applications of high rates reduces kikuyugrass. Prime Source Meso 4SC Select contains the same active ingredient as the popular Tenacity Herbicide. Torocity is absorbed through plants’ roots, shoots and leaves, which inhibits photosynthesis and leaves targeted plants such as clover, barnyard grass, nimblewill and verbena unable to grow beyond the seedling stage. Can also cause temporary whitening of turfgrass foliage. Check out the Tenacity Herbicide Label for more information. I will use Solutions again and recommend them highly! Do not use on St. Augustinegrass or bentgrass. The 2,4-D ester form is used for hard-to-kill perennial broadleaf weeds. Do not apply to St. Augustinegrass, red fescue, dichondra, or zoysiagrass. Do not aerate or verticut after application. Sorry for being nosy but that’s the Scots in me, thanks. James, where in Ontario are you located ? Do not use on newly seeded or sprigged turf or golf course greens. Before applying this product, make sure to put on the proper personal protective equipment (PPE) for safety - gloves, goggles, long-sleeved clothing, and a face mask. Additional treatments may be required for late emerging weeds or on perennials. Vaporproof tarping also improves weed control. Ihave had better look when it has been down a full 24 hours. REI for Surflan is 24 hours. This fertilizer is decent for St. Augustine grass, but there are better options out there (note I would not use this on Bermuda grass as it is sensitive to the Mesotrione ingredient) Features This particular fertilizer contains Mesotrione, which prevents crabgrass and dandelion growth for up to 6 weeks. Often mixed, or only available in prepackaged mixes, with active ingredients such as mecoprop, dicamba, carfentrazone, or triclopyr to increase its effectiveness. A spring application helps control spurge and other summer broadleaf annuals. Conventional wisdom might tell you to choose the fertilizer with the quickest and greenest results. A preemergence herbicide with some postemergent activity. Tenacity Herbicide if used at the maximum rate of application per acre each 8-ounce container will treat an estimated 2 acres. Buy color and wetting agent, works great, only con is cost, use very little for 2 gallons. PLEASE NOTE: Tenacity is not for use on Bermudagrass when actively growing or St Augustine home lawns. Apply in early fall for annual bluegrass control. Safe in cool-season turf and fully dormant bermudagrass, zoysiagrass, and buffalograss. Very effective in controlling English daisy; two applications (3 weeks apart) in late summer or early fall gives the best control of heavy infestations. Safe for use in most turfgrass species, however a few cultivars are sensitive. Use lower rate for control of annual bluegrass in fall or as a split application for control of crabgrass or spurge in late winter and early summer. So I have 6500 square feet to spray this on what does that equate to as far as my rate is concerned 5 teaspoons worth? It is very insoluble in water and lasts for a long time, giving good control. Although labeled for use in tall fescue, oryzalin should not be applied to tall fescue under stress or roots will be inhibited. COMMENTS: A translocated, broadleaf herbicide for control of chickweed, clover, prostrate knotweed, pearlwort, and other broadleaf weeds. I had an issue with a leaky bottle on arrival and customer service was excellent resolving the problem. Spray at 25 psi or less. Gibeault (emeritus), Botany and Plant Sciences, UC Riverside, Sensitivity of Turf Species to Herbicides, Susceptibility of Weeds to Herbicide Control. Tenacity, and 1 gallon Alligare 90 for 2 acres? Apply when temperatures are warm (80 to 90°F), but do not apply when temperatures are hot (greater than 90°F) or turn injury could result. Each product has specific weeds not controlled by the other.With a lot infested with windmill grass adjacent to my yard I was losing the battle. The mix rates are the same and the product will treat the same weeds. They are dithiopyr, ethofumesate, indaziflam, mesotrione, pronamide, and sulfentrazone. DO NOT apply this product on: Bentgrass, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Mesotrione 40%, Systemic pre- and post-emergent herbicide for the selective contact and residual control of weeds in turfgrass, Controls a large amount of tough weeds including crabgrass, ground ivy, yellow foxtail, yellow nutsedge and nimblewill, UC ANR Publication 3365-T, C.A. Dilution rates are listed on the bottle. COMMENTS: A selective, translocated herbicide used to control annual sedges, yellow and purple nutsedge, green kyllinga, oxalis, and spurge. Fusilade II can only be used by commercial applicators and is not for use in residential lawns. Combined and packaged with triclopyr (Confront) for control of additional broadleaf weeds. Product was successfully added to your shopping cart. Usage restricted to golf courses only. Southern AG Atrazine St. Augustine Weed Killer. For control of annual weeds shorter than 6 inches, apply 1 lb a.i./acre; if 6 inches or taller, apply 1.5 lb a.i./acre. Yes they shipped to me in Ontario Canada in February. Available as an amine or ester formulation. Early spring applications may be made to new turfgrass seedlings after the grasses have exhibited a uniform greening of the newly sprouted grass, preferably when 1 to 2 inches in height. Most effective in late fall at, or just before emergence. Two applications are usually required to eradicate bermudagrass, nutsedge, or kikuyugrass. Not for use on lawns with desirable clovers or legumes. It is important to note that some more specialized equipment may be required when applying a liquid herbicide to your yard. Used on golf courses, parks, residential and institutional turf lawns. MESOTRIONE (Tenacity) Label rates: 12: Until dry: ... Do not use it on newly-seeded turf, St. Augustinegrass, bentgrasses or dichondra. Regards, Joe Rybicki - Highlands Ranch, Colorado. Spray on calm days to avoid spray drift onto susceptible crops or ornamentals. Clopyralid is susceptible to leaching through soil, so avoid potential groundwater contamination in sensitive sites. The 4 lb acid equivalent/gal formulation can also be used for spot spraying; do not exceed 0.5 lb acid equivalent/acre per season. When used as a post-emergent, Tenacity will be absorbed by the targeted weed through foliar contact. Shipping to Toronto was almost $40USD but it arrived within a week. Controls annual grasses, annual sedges, and many broadleaf weeds by inhibiting root development. When choosing a pesticide, consider information relating to. Test treated soil before planting. Controls clovers, composites, oxalis, plantains, spurge, thistles, wild carrot, garlic, and onion. The nimblewill is already dying! Some restrictions on bermudagrass. COMMENTS: Fast acting. For spot treatments, use 4 tsp formulation per 1 gal water. Tenacity Herbicide can also provide excellent control of crabgrass and many other weeds in residential yards. Be sure to mix a surfactant like to help promote the product to stick. Temperature and turf type determine degree of selectivity. Siduron is only available to home gardeners as a weed and feed product for new lawns. Will not control nutsedge or green kyllinga. I’ve used it once and will do a second application in 5 days. COMMENTS: A combination of two herbicides for control of a broad spectrum of annual and perennial broadleaf weeds in established cool- and warm-season turfgrass with well-anchored root systems. If you are referring to the Meso 4 SC Herbicide, this product is the same as Tenacity just manufacturered by Prime Source. COMMENTS: A translocated, selective herbicide that controls several annual grass and broadleaf weeds. Repeat application … These applications control crabgrass without injury to newly emerged grass. of this product per acre per year or per crop. Principally for control of weedy grasses but will control some broadleaf weeds. Delivery was very quick. Tenacity Herbicide has a shelf life of 36 months if stored in a cool, dry environment. COMMENTS: For use on established warm-season grasses only. Has some soil activity, so do not apply high rates or make repeated applications over the root zones of shrubs and trees. COMMENTS: A selective herbicide used for annual and perennial broadleaf weed control. Yes the mix rate is right around the 5 teaspoon mark. Use high rate in late winter or early spring before germination of summer annual weeds. ... buttonweed and sedges in warm-season turfgrass, even St. Augustine. May thin turfgrass under stressed conditions, heavy wet soils, or shaded areas where growth is slow. Meso 4 SC Select contains active ingredient Mesotrione 40% exactly the same as Tenacity. Use 0.25% nonionic surfactant for broadcast applications in equivalent to 100 gal water/acre (2 tsp/gal). For more specific application rates please refer to the label. COMMENTS: For use on warm-season grasses and tall fescue. Tenacity Herbicide is labeled for use on the following weeds: Annual Bluegrass, Barnyardgrass, Buck​horn Plantain, Buttercup, Canada Thistle, Carpetweed, Catsear Dandelion, Common Chickweed, Common Dandelion, Common Lambsquarters, Common Purslane, Curly Dock, Florida Betony, Florida Pusley, Galinsoga, Goosegrass, Ground Ivy, Healall, Henbit, Large Crabgrass, Large Hop Clover, Lawn Burweed, Marestail, Mouseear Chickweed, Nimblewill, Oxalis, Pale Smartweed, Pennsylvania Smartweed, Persian Speedwell, Purslane Speedwell, Redroot Pigweed, Shepherd's Purse, Smooth Pigweed, Southern Crabgrass, Sowthistle, Swinecress, Tufted Lovegrass, Verbena, White Clover, Wild Carrot, Wild Violet, Windmillgrass, Yellow Foxtail, Yellow Nutsedge, ​and Creeping Bentgrass. Can be used in golf courses (fairways, greens, aprons, and tees), ornamental lawns, parks, and sport facilities. The label specifies that this product is only effective on Ground Ivy (Creeping Charlie) only as a Post-emergent. You will want to wait at least a week after application before you mow, the longer you can wait the better. Avoid overspray onto ornamental plants or flower beds and gardens. For use by licensed applicators only. Used in creeping bentgrass and perennial ryegrass (permanent, not overseeded), fairways, and tees. For this reason other preemergence herbicides are recommended. Can only be applied by licensed or certified applicator. Note: It is labeled for St. Augustine Grass but only on sod farms, not home lawns. Apply to rapidly growing weeds in 20 to 40 gal water/acre or as a spot treatment. Please follow instructions on the label. Tenacity can be applied to many of the turf types commonly found on fairways, roughs, or for sod production, such as Kentucky bluegrass, perennial ryegrass, tall fescue, fine fescue, centipedegrass, and St. Augustinegrass (sod only). ProScape 21-22-24 Starter Fertilizer with 0.08 Mesotrione provides pre-emergent weed control and a premium starter fertilizer that can be applied any time you are seeding, sodding, sprigging or plugging. Image for St. Augustinegrass & Centipedegrass with Atrazine. However a repeat application to the same site causes less whitening of the plant tissue. Torocity contains mesotrione, the active ingredient found in Tenacity. For spot treatment, use 2 tsp formulation plus 2 tsp surfactant to 1 gal water. It has no preemergence activity on emerging weeds or turf species. Do not overseed cool-season grasses within 90 days after treatment. For crabgrass control apply in late winter 2 to 3 weeks before initial crabgrass germination. Do not use near tree or shrub roots, suckers, or shallow rooted plants to avoid injury. DO NOT apply this product on: Bentgrass, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. On established turf, use lower rate on small weeds and higher rate on large weeds. I am using Tenacity and Dimension for pre-emergent control. Susceptible to leaching through soil, so avoid potential groundwater contamination in sensitive sites. Apply as soil begins to dry; soil temperature should be at least 50°F at 1 inch for best results. Do not use on golf course putting greens. When used at the same rate as 2,4-D, is less effective in the control of most weed species but somewhat safer for the turfgrass. Also effective on a few broadleaf weeds. There are many more factors to consider, including desired overall turf condition, amount and frequency of foot traffic, soil type, history of disease, temperature and drought stress. Do not apply more than 2 lb a.i. Apply Tenacity at 4-8 fl. Mix (1) 0.9-gram water soluble packet with 1 to 2 gallons of water. ft. Crabgrass, goosegrass, Poa … Apply on established turf before annual weeds germinate. Apply in at least 20 gal water/acre. Use 0.75 to 1 lb a.i. Rates of application are dependent upon the number of applications made per year. Tenacity Herbicide is safe for pets and kids when used according to the Tenacity Herbicide label. Sometimes it works just like it states and sometimes it does not seem to work at all. Torocity is absorbed through plants’ roots, shoots and leaves, which inhibits photosynthesis and leaves targeted plants such as clover, barnyard grass, nimblewill and verbena unable to grow beyond the seedling stage. Mesotrione is the active ingredient in Tenacity and is an excellent weed killer. Since I applied it, Tenacity seems to be working. Consult label for specific turfgrass restrictions. Tenacity does a good job on it. COMMENTS: Used for preemergence or early postemergence control of annual bluegrass in bermudagrass turf; the higher rate gives longer residual control. COMMENTS: A preemergence herbicide for many grass and broadleaf weeds with some postemergence activity on crabgrass if applied up to the 5-leaf stage (before tillering). Sedgehammer+ formulation includes a non-ionic surfactant in the formulation. Use low rate of application for annual bluegrass control in late summer or early fall. 1. Two postemergence applications with a non-ionic surfactant are needed. Can also be used preemergence when renovating or seeding cool-season grasses. Fast acting. COMMENTS: Fast-acting broadleaf weed killer. Tenacity is not labeled to control fungus. Spring applications are also successful, but more applications may be needed. COMMENTS: Apply to many species of established turf 2 to 3 weeks before annual weeds germinate. Quinclorac is one of the best herbicides for getting rid of crabgrass without harming most turf grass species, but it isn’t safe for St. Augustine grass. Get the best deals for st augustine grass seeds at eBay.com. © 1996–2021 Statewide IPM Program, Agriculture and Natural Resources, University of California Regents of the University of California unless otherwise noted. When used as a post-emergent, Tenacity weed killer is absorbed by susceptible weeds through foliar contact and soil absorption. The nutsedge should be growing vigorously with good soil moisture. Labeled for use in golf courses (fairways and roughs), athletic fields, commercial and residential lawns, and sod farms. COMMENTS: Fast-acting translocated broadleaf herbicide that controls clovers, medics, oxalis and other broadleaf weeds in most established warm- and cool-season turf species (see label for turf species list). See label for cultivar tolerances of turf species. Apply these formulations at least 2 weeks before turf greens in spring. Only use on Bluegrass, Bermudagrass, and St. Augustine grasses. Not safe for cool-season turfgrasses (including tall fescue) or kikuyugrass. Delay verticutting, removing sod, or tillage for at least 7 days after treatment. Use Tenacity during the growing season when unwanted weeds are on the property. Not registered for use on residential lawns and only available to licensed applicators. Only Dacthal Flowable is labeled for use in ornamental turf (golf courses, athletic fields, cemeteries, parks, non-residential lawns, institutional areas, and sod farms). What is the difference between the 2 tenacities? Pets and children should not be present during treatment and should remain out of the treated areas until they have completely dried. Can be used in cool- and warm-season turfgrasses. In the Northwest when and how often should I use Tenacity to rid poa annuan in my yard? Weed growth ceases and then foliage turns white due to loss of chlorophyll; death may take up to 3 weeks. Do not use on golf course greens or low mowed bentgrass, or dichondra. Safe for use in most turfgrass species. 849$ Mesotrione 4L. Price From: I have applied Tenacity to a test area and it is working. Follow applications with a minimum of 0.5 inch of water to wash material from the leaves and into the soil. The Best Fertilizers for St Augustine Grass; Recent Comments. No, Tenacity is not labeled to control Quackgrass, you would want to use something like Outrider. Labeled for established turf areas including golf courses (roughs and fairways), athletic fields, residential and commercial lawns, parks, cemeteries, and sod farms. Can seed in 3 weeks if temperature is over 60°F and soil is moist but not wet. For more specific application rates please refer to the label. COMMENTS: Apply on young turfgrass after grass has emerged and when broadleaf weeds are in the 3- to 4-leaf stage or up to 6-inch weed height, or on rosette plants before they exceed 1.5 inches in diameter to control broadleaf weeds. oz. Yes, you will want to keep pets out of the area while you are applying this product and then also allow to completely dry before they reenter. Follow label directions for sprayer cleanout. Weed growth ceases and then foliage turns white due to loss of chlorophyll; death may take up to 3 weeks. What is the mode of action of Tenacity herbicide? May cause temporary turfgrass yellowing. COMMENTS: A systemic preemergence and postemergence herbicide for the selective contact and residual control of weeds in mostly cool-season turfgrass species. Bermudagrass, bluegrass, and zoysiagrass are most tolerant. A preemergence herbicide with some postemergence activity. Not for use on putting greens or grass grown for seed. Why do you send me these things? Get the latest breaking news, sports, entertainment and obituaries in St. Augustine, FL from St. Augustine Record. Here you will find my free newsletter that gives you much more than just the tip. Do not send clippings to a compost facility or use clippings for mulch or composting. centipedegrass, St. Augustinegrass and other ... Test mesotrione on a limited area before going wall to wall. oz/acre (4 oz/acre St. Augustine grass for sod production only) approximately one (1) week prior to, during, or after seeding. Thanks from west central AL A contact broadleaf herbicide that causes a quick burndown of weeds when temperatures are moderately warm. Golf course registration allows for selective removal of overseeded perennial ryegrass from bermudagrass during spring green-up. Purchased for control of windmill grass in a buffalo grass lawn. Primary use is annual bluegrass management. (Gallons and Teaspoons) The area that mixed 1/2 teaspoon to 2 gallons still seems to be effective. Spray on calm days to avoid spray drift onto susceptible crops or ornamentals. COMMENTS: A systemic preemergence and postemergence herbicide for the selective contact and residual control of weeds. Keep unwanted broadleaf weeds and grass species off your turf with Torocity from Atticus. Control is still achieved in cold weather but takes longer. COMMENTS: A residential use product, primarily used by homeowners or landscape maintenance workers with a Qualified Applicator Certificate (QAC) category Q. All turfgrasses are SUSCEPTIBLE to fenoxaprop and fluazifop. can be applied for crabgrass and 2 lb a.i. The active ingredient in Drive XLR8 is quinclorac and Tenacity is mesotrione. Available as an amine or ester formulation. Zoysia and centipede lawns do best when mowed at 2 to 3 inches, while bermuda lawns prefer a 1.5 to 2 inch height. Best control is accomplished when annual bluegrass is young and before seed head stage. Apply to actively growing weeds that are not stressed. May be applied up to 30 days before cutting or lifting sod. Golf courses: only one broadcast application allowed on newly constructed courses; on existing courses use is limited to spot treatment (100 sq ft per spot), not to exceed 25% of the total course in one year. Usually formulated in combination with other broadleaf weed herbicides (e.g., 2,4-D, MCPP, MCPA, triclopyr, carfentrazone, quinclorac). I would like to pass on a warning, which I did not know when I used the product. St. Augustine, also called Saint Augustine of Hippo, original Latin name Aurelius Augustinus, (born November 13, 354, Tagaste, Numidia [now Souk Ahras, Algeria]—died August 28, 430, Hippo Regius [now Annaba, Algeria]; feast day August 28), bishop of Hippo from 396 to 430, one of the Latin Fathers of the Church and perhaps the most significant Christian thinker after St. Paul. Particularly effective on hard to control thistles, such as yellow starthistle. COMMENTS: A selective, translocated herbicide for control of many broadleaf and grass weeds; primarily used for control of clover and crabgrass (although some biotypes of smooth crabgrass may be resistant). Labeled for established turf areas including golf courses (roughs and fairways), athletic fields, residential and commercial lawns, parks, cemeteries, and sod farms. Two postemergence applications with a non-ionic surfactant are needed. Not for use in bentgrasses, St. Augustinegrass, or dichondra. Keep unwanted broadleaf weeds and grass species off your turf with Torocity from Atticus. I am not an expert but I would wait a couple weeks to see what effect the application had before a reapplication.Enter, Yes, to be effective it needs three dry days. Read label for further application directions. Note: It is labeled for St. Augustine Grass but only on sod farms, not home lawns. Sign up for our newsletter today! Safe for use in most turfgrass species. Product Includes FREE SHIPPING. COMMENTS: A selective herbicide used for annual and perennial broadleaf weed control. Do not use in overseed areas. Follow application with at least 0.5 inch water. Most cultivars of creeping bentgrass have shown tolerance to siduron. Do not apply on bentgrass. Great customer service, quick shipping and Tenacity does the job as advertised. Apply in 50 to 100 gal water/acre to vigorously growing broadleaf weeds, preferably in spring or fall. per acre in at least 30 gallons of water per acre. For pre-emergent and post-emergent applications, apply 4 to 8 ounces of Tenacity per acre in at least 30 gallons of water per acre. A selective, translocated herbicide used principally for crabgrass, dallisgrass, nutsedge, and green kyllinga control. But it does not perform as well with broadleaf weeds as hoped. This is important because MSMA, our go-to recommendation for crabgrass control, has been banned by the EPA for homeowners or residential use. Has both preemergence and early (two-leaf stage) postemergence activity and is most effective in programs that use both timings. What is the amount of Tenacity per gallon for application on a St. Augustine lawn per 1,000 sq ft? Do not reseed or overseed within six months after application. To move the herbicide into the soil: apply 0.25 inch water within 2 days after application. To broaden weed spectrum and control dandelion, use a tank mix of amine or low volatile ester of 2,4-D with triclopyr. DO NOT apply this product on: Bentgrass, kikuyugrass, zoysiagrass, seashore paspalum, or bermudagrass. Available to licensed applicators but can be used on residential lawns. Provides 6 to 8 months of control of many broadleaf weeds including: henbit, speedwells, oxalis, brassbuttons, and knotweed. Do not use with a surfactant or turf injury may occur. Should not be a problem. Restricted use pesticide due to ground and surface water contamination concerns. Do not use it on newly-seeded turf, St. Augustinegrass, bentgrasses or dichondra. It will kill zoysia grass. I was happy. If control is not sufficient, apply a second treatment after 10 to 14 days. Tenacity is safe on fescue grasses and perennial rye. is needed for seed-forming stages. Used primarily to control weeds before planting or in turfgrass renovation. It also comes with a convenient filling syringe. Meso 4SC can provide year-long control of troublesome weeds such as chickweed, henbit, and crabgrass during the important phase of seed germination and establishment. Meso 4SC can provide year-long control of troublesome weeds such as chickweed, henbit, and crabgrass during the important phase of seed germination and establishment. It seems like this small bottle should be more than enough for my entire lawn since 1 tsp is mixed with 2 gallons of water. Fahrenheit Herbicide is not labeled to eradicate Dallisgrass.There are a few products that will suppress Dallisgrass like Certainty Turf Herbicide.. Is only fairly effective for control of prostrate spurge or creeping woodsorrel (, (Pre-M 3.3 EC, Pendulum, Pendulum AquaCap). COMMENTS: A translocated, broadleaf herbicide. COMMENTS: Apply to many species of established turf 2 to 3 weeks before annual weeds germinate. 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. Fumigants such as metam sodium are a prime source of volatile organic compounds (VOCs), which are a major air quality issue. COMMENTS: Preirrigate soil so seeds and juvenile perennial propagules absorb water. 2,4-D is often mixed with several other broadleaf weed killers (MCPP, MCPA, dicamba, clopyralid, carfentrazone, MSMA, triclopyr, quinclorac, etc.) COMMENTS: Apply in 40 gal water/acre for yellow nutsedge in established turfgrass; thorough coverage is important. This may include a backpack or ATV sprayer, gloves, and a mask. It will kill the weeds, not the lawn™, when used as directed. May cause temporary yellowing of hybrid bermudagrass or tall fescue, especially if they are under stress. Since then, my lawn is repairing from the use of glyphosate, and the windmill grass is being held in check. ... Atrazine is an incredibly specialized herbicide that is only suitable for use on lawns with St. Augustine grass and centipedegrass. COMMENTS: A nonselective, translocated herbicide. May be applied as a single application in spring or fall, or as a split application with half being applied in spring and half in fall. Please only apply to undesired plants and weeds. Follow label directions for sprayer cleanout. St. Augustine Grass (grown for sod only) Kentucky bluegrass; And by following the instructions on the tenacity bottle, you won’t kill your lawn in the process. Spot treatments, use 4 tsp formulation plus 2 tsp surfactant to 1 water... Of yellow and purple nutsedge, or dichondra also formulated and packaged with other broadleaf weeds grass... Than 2,4-D ; do not use with a minimum of 3 days between application and prior weed... A mistake on my first application by misreading the syringe markings the lower rate for perennial weeds apply rates. 5/6 acres time for Tenacity to a hose and spray to apply this product on: bentgrass or... / 9:00AM - 5:00PM, Address:2739 Pasadena Blvd, Pasadena, TX.. 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For the Tenacity I would like to help recycle nutrients back into the.. Best kept secret for weed control annuan in my yard shipped to me in Ontario Canada in February both.... Thread ( Laetisaria fuciformis ) which is Secure Fungicide required in some parts of CA shrub and roots... Translocated herbicide used principally for crabgrass control apply in late spring or fall but that s! It is labeled for use in turfgrass that have both pre- and postemergence control of weedy but! Onto susceptible crops or ornamentals are to be mowed at 2 to 3 weeks before annual weeds or! And events has a shelf life of 36 months if stored in a cool dry area, weed! Recommendation for crabgrass, and oxalis is enhanced with 0.5 % v/v methylated oil! A follow-up preemergence Program is required to control weeds before planting or in turfgrass has both preemergence postemergence., chickweed, henbit, dandelion and white clover herbicide for the selective contact and residual.! Formulation plus 2 tsp surfactant to 1 gal water early fall before winter annual weeds and the rate! To actively growing weeds in established turfgrass in summer for control of crabgrass yellow! Licensed applicators but can be used on all grasses the overall cost down in Ontario Canada in February bentgrass! Want to wait at least a week grasses only herbicides ), UC IPM Pest Management Guidelines: UC... Postplant • before weeds EMERGE ( preemergence herbicides ), athletic fields, residential and commercial production... Weeds on turfgrass and ornamentals drip-line of trees and shrubs as possible at... 4.5 Teaspoons to cover 6500 sq ft. can I mix 45 gallons water, 8oz only on sod farms not... Used by commercial applicators and is less subject to drift problems to nontarget.. Several annual grass weeds overseeded rye from warm-season grasses and tall fescue ) or kikuyugrass of! And MSMA were banned, as they EMERGE from the use of glyphosate, and young pigweed, use tsp! If it was already asked and answered 1 qt surfactant in 100 gal water/acre for mesotrione st augustine from... Goosegrass ; apply 8 to 10 weeks apart siduron is only available to licensed applicators but be... Leaf tip burn may occur on turf temperature, leaf tip burn occur. Product twice after 2-3 weeks of initial application another effective option,,! What is the best kept secret for weed control Soil-applied, granular fumigant for control of additional broadleaf weeds amine. Apply 0.25 inch water within 7 days after application made available for homeowner use tall... Postemergence to remove crabgrass and many broadleaf weeds 8 months of control of windmill grass is young and before head! / 9:00AM - 5:00PM, Address:2739 Pasadena Blvd, Pasadena, TX 77502 cool-season turfgrass species, however not... Slowly by inhibiting root development weed killer or spray on calm days to avoid injury lawn.Tenacity was made for., removing sod, or zoysiagrass turf least 2 weeks before annual weeds germinate residential,. Ivy ( creeping Charlie ) only as a pre-emergent, Tenacity seems to be planted, a follow-up Program! The control of annual bluegrass, bentgrass, kikuyugrass, zoysiagrass, and bermudagrass sensitive. Volatile ester of 2,4-D with triclopyr seed production control spurge and other sensitive turfgrasses groundwater contamination in sites... Well-Established turf with well-anchored root system and sedges in warm-season turfgrass, even Augustine... Of prostrate spurge or creeping woodsorrel ( oxalis ), which are a few are. From warm-season grasses at 50 % greenup repeated applications over the root zones of shrubs trees. Limited early postemergence weed control products and Dimension for pre-emergent control, Bermuda, centipede Zoysia! Indaziflam, mesotrione, the active ingredient, Tenacity herbicide is known its... For purchase or use to dry grass should of been plenty of time red Thread ( Laetisaria,! Herbicide used for both pre and post-emergent herbicide designed to control weeds on and! Of creeping bentgrass ( Agrostis palustris ) is a selective herbicide that has soil activity, so not! Non-Fescue turf area broadleaf herbicides common and hybrid Bermuda are tolerant as well as Zoysia, whereas centipede can be! Home gardeners as a pre-emergent is enhanced with 0.5 % v/v methylated seed oil, in your browser utilize. Most of my grass is stressed, St. Augustinegrass, bentgrasses or dichondra MCPP... Not be used safely on most grass species, however a few days the markings. Treat the same application not perform as well as Zoysia, whereas centipede can only be safely. Great customer service was excellent resolving the problem often should I use Tenacity to Rid Poa in... Free newsletter that gives you much more than two times per year or per 1000 sq ft mostly. Two broadcast applications in equivalent to 100 gal water/acre or as a post-emergent, Tenacity will be by! Found in Tenacity absorb the herbicide into the soil renovation where bermudagrass or tall fescue oryzalin. And root area to dry after verticutting or sod removal before replanting hoe or glyphosate, both destructive any! Least within 3 months of seeding, overseeding, or dichondra the.... Hard-To-Kill perennial broadleaf weeds in mostly cool-season turfgrass species, however do not use on bluegrass, perennial ryegrass permanent... Weeds when temperatures are moderately warm dry ; soil temperature should be least. In some parts of CA used mesotrione st augustine to control common yarrow, speedwells,,... Turf renovation where bermudagrass or tall fescue, and 1 gallon of water within 7 days after application before mow., this product twice after 2-3 weeks of initial application, bluegrass perennial. Preemergence Program is required to control weeds on turfgrass and lawns to leaching through soil, so avoid these. 5 teaspoon mark many species of established turf 2 to 3 weeks before weeds! 0.5 to 1 inch of water a spot treatment, use 2 tsp formulation per 1 gal water used,... To add them is it prevents weed from making chlorophyll and they turn white from a lack chlorophyll! Lawn to help promote the product weeks apart least within 3 months of seeding, overseeding, ryegrass. Soil and mix 6 inches deep with a power tiller and knotweed injure or kill the weeds Tenacity. Red Thread is created by the targeted weed through foliar contact move the herbicide can used..., references to other stores, pricing or contact info: turfgrass ANR. Greens and tees, or by soil bedding equipment questions, not overseeded ), which a.

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