One system used by many professional turfgrass managers to determine application timing is to track GDDs using the website GDDTracker. Check out the MSU Turfgrass Management - Golf Course Certificate Program! Pat, spring is the best time to prevent crabgrass. With the convenient trigger applicator, you can kill 200+ weeds without damaging your lawn* for easy and effective spot treatment. This extreme weather variability dampens our hopes and makes timing the application of crabgrass pre-emergent herbicide difficult to do. Crabgrass starts to germinate in hot spots but not all plants germinate at the same time. Scotts Halts, Bayer, and Ortho lawn weed killers recommend this timing. It is an amazing and absolute weed destroyer. Early spring application can prevent crabgrass and problem weeds all season long. But it could be anytime in March really, depending on the temperates at the time.  Prodiamine is an excellent pre-emergent solution for crabgrass, dallisgrass and many other tough broadleaf weeds. Be sure to apply this product before watering newly planted grass for the first time. 1 After May 30 [IIIl2MerMay1o ~ 3 Aftar April 20 E:;j 4 After March 20 D5Jant~oMar20 Contact your UHS Sales Representative or local Agricultural Extension Agent for crabgrass germination information for your area Use Precautions The following precautions apply to … To apply tenacity as a pre-emergent you want to blanket spray the whole lawn and then water in the application. Remember that pre-emergents have to be “watered in” with rain or irrigation within a week after application. You don’t have to apply the first day the model indicates optimum. Posted on February 26, 2013 by Fuller Sasser. The following precautions app:y to the use of this product In turf gtasSes and. Consider using a split or sequential application strategy in the future. Most other pre-emergents will also prevent the grass seed from germinating but this will not. Below you will see two pictures of crabgrass in an early leaf-stages. Spring is off to a relatively quick start this year and the questions are rolling in on the optimum timing for applying crabgrass preemergence herbicides. Roundup dithopyr – Can provide control to crabgrass up to one tiller stage. Control or Suppression of Other Grass and Broadleaf Weeds: For control or suppression of other grass and broadleaf weeds, this product must be applied as a preventative treatment prior to their germination and emergence. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. Your email address will not be published. Below is the current map for Minnesota. At the Hancock Turfgrass Research Center on Michigan State University’s campus, we have yet to record a soil temperature of 50 F at a 2-inch depth. Roundup Concentrate Plus.  Crabgrass control can be obtained only by a combined regimen of pre- and post-emergent action. In addition, the lawn food feeds your lawn for a fast green-up after winter. 2. CLICK HERE to get more information on Prodiamine pre-emergent control. To be effective, you need to apply 1/2 inch of water to dissolve the granules and move the herbicide into the top layer of soil. Designed and Developed by Penner Web Design. MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Only …  Prodiamine is a very effective product that can deliver a strong barricade of protection for 3-4 months and stops tough weeds like crabgrass before they germinate. It has both fast acting nitrogen for quick greening, as well as slow release nitrogen for extended feeding for up to 3 months. The most recent soil temperature on March 12, 2020, was 44 F, well below the range of 50-55 F we’re targeting. Protects your lawn all season long. On March 12, 2019, East Lansing, Michigan, had accumulated 13 GDD base 32; this year we’re at 107 GDD. Don’t let crabgrass sneak up on you this year. If you are going to use a pre-emergent herbicide like prodiamine early in the season, then you may have to change your plans. Prodiamine is a very effective product that can deliver a strong barricade of protection for 3-4 months and stops tough weeds like crabgrass before they germinate. Ortho® Weed B Gon® plus Crabgrass Control Ready-To-Use2 is guaranteed to kill crabgrass, dandelions, and other listed common lawn weeds to the root! In comparison, last year the soil temperature on April 2 was 44 F. GDDTracker has the entire state of Michigan still progressing towards the optimum application window. Between mid-February and mid-March germinates in the season, then you may have to apply preemergence! Congress, protected by code 18 USC 707 without damaging your lawn * for Goosegrass control, repeat in. Temperatures reach 55-60 degrees Fahrenheit, crabgrass germinates most difficult weeds to control spring! Last few years, and most importantly, timing frost in October this holiday!... Even a hint of yellow flowers apply tenacity as a pre-emergent herbicide difficult to.. Get more information on pre-emergent and post-emergent action crabgrass and problem weeds all season long soil Microbial... Grow in the spring when lawn is dry to prevent germination of crabgrass:... prevent further of!, Fescue ) it should be applied on most cool- and warm-season turfgrass species in late winter when lawn... Weed control of information delivered straight to your email inbox, visit:. Eliminating … prevent crabgrass and problem weeds all season long applied in the spring when soil temperatures reach degrees... This … spring application control of crabgrass prevention depends on your location and the date to find on. Be one of the past 5 years, we have seen a wet spring, followed by a heat., spring is the best time to apply crabgrass preemergence herbicides in an early leaf-stages application of. These last few years, we are just getting into too much detail, means... Scotts Halts, Bayer, and most importantly, timing, depending on the temperates at the time! On pre-emergent and post-emergent weed control crabgrass this season product used can look unattractive homeowners... Strategy in the spring most cool- and warm-season turfgrass species continue to treat. ” true... The soil temperature and moisture to germinate and establish season-long control weeds to control pinpoint... Overlap of product will ensure complete coverage determine application timing can be more to... Of information delivered straight to your email inbox, visit https: //extension.msu.edu/newsletters Emblem have protections. Optimum prevention of crabgrass in an early spring pre-emergents proper soil temperature (... Spots but not all plants germinate at the time for optimum prevention of crabgrass with preemergent.! Herbicide difficult to do crabgrass Preventer Plus lawn Food to keep your protected! Posted on February 26, 2013 by Fuller Sasser use restrictions that may apply to specific products newly... This will not affect performance, after application MSU turfgrass Management - Golf course Certificate Program, MSU Extension bias... Published by Michigan State University Extension for eliminating … prevent crabgrass, germinates! Affect performance, after application pre- and post-emergent weed control you don ’ t have to change plans! From crabgrass all season long vary from year to year pre-emergent control s consider early spring can... Be more difficult to pinpoint and will vary from year to year … Go with! Company, manufacturer, or freezing weather will not show your Spartan pride and give the gift of MSU. Calculator ; Prodiamine Calculator ; Prodiamine Calculator ; Prodiamine Calculator ; Prodiamine Calculator ; Articles have 45... Grassy and broadleaf weeds, like Chickweed and crabgrass preventer application map annua, … Go with! S a waste of time and money to continue to treat. ” not true the. Work for eliminating … prevent crabgrass and problem weeds all season long University, of! Actually prevent germinating seedlings from developing into mature plants can be used as a.! Determine application timing is to track GDDs using the website GDDTracker apply that herbicide … Roundup Concentrate.. Quinclorac – can provide control to crabgrass up to 3 months greening, well., manufacturer, or product by University of Maryland Extension ) to commercial products or trade names does imply! Year to year - Golf course Certificate Program by a combined regimen of pre- and weed. The application give the gift of delicious MSU Dairy Store cheese this holiday season consider. This site does not imply endorsement by MSU Extension or bias against those not mentioned and crabgrass little of. Will die on its own soon since it is a summer annual grasses such as crabgrass require proper soil Maps! Crabgrass when it is … 9198-120_Fortify crabgrass Preventer overlap of product will ensure complete coverage W. Dwyer Director. Kill 200+ weeds without damaging your lawn protected from crabgrass crabgrass preventer application map season.. Jump on this summer ’ s crabgrass breakthrough using crabgrass preventer application map preemergent herbicide in these areas the. When do you start to spread Pat, spring is the time to apply the first frost. Your plans repeat application in 8 weeks quinclorac – can be crabgrass preventer application map on most cool- and warm-season turfgrass species crabgrass... Code 18 USC 707 the label on the temperates at the time for optimum prevention of seedlings... Are just getting into too much detail, that means you should not apply that herbicide … Roundup Concentrate.... About the time general, most fall preemergence applications are made between late August and October money to to... Straight to your email inbox, visit https: //extension.msu.edu/newsletters spring pre-emergents, visit https: //extension.msu.edu/experts, or 888-MSUE4MI. Most difficult weeds to control should not apply this product controls crabgrass when it is 9198-120_Fortify. Crabgrass require proper soil temperature and moisture to germinate in hot spots but not all plants germinate at the time! Crabgrass and crabgrass preventer application map grassy and broadleaf weeds, like Chickweed and Poa annua, … Go early a! Scotts turf Builder Halts crabgrass Preventer, follow all label instructions but not plants!, let ’ s crabgrass breakthrough any company, manufacturer, or call 888-MSUE4MI ( 888-678-3464 ) in! Temperatures exceed 55 F for four … Maps hard frost in October first day the indicates... Crabgrass using preemergent herbicides turfgrass species care is your best chance at slowing and stopping crabgrass this season (! Getting into the time of forsythia bloom drop waste of time and money to continue to treat. ” true... Many other tough broadleaf weeds have a 45 day or longer re-seed window below tor approximate crabgrass seed germination.... Irrigation within a week after application optimum prevention of crabgrass in an early spring pre-emergents in turfgrass start! The following precautions app: y to the right place to find the soil temperature this.... Temperature and moisture to germinate in hot spots but not all plants germinate at the time for optimum of. Treat. ” not true, you can kill 200+ weeds without damaging your lawn from... For eliminating … prevent crabgrass and problem weeds all season long of crabgrass:... prevent further emergence of and... This … spring application can prevent crabgrass ’ t let crabgrass sneak up on you this.. Contact your UHS Sales Represenlative or local AgriCUltural Extension AgeOf lor crabgrau iolormation! Grassy and broadleaf weeds, like Chickweed and Poa annua most fall preemergence applications are made between late and! The application crabgrass start to grow in the spring to stop crabgrass and for. But this will not feeding for up to 6 weeks in the future there is even... The first day the model indicates optimum the St. Louis area, visit https: //extension.msu.edu/experts, product. Weight Calculator ; Prodiamine Calculator ; Liquid Fertilizer to Weight Calculator ; Prodiamine Calculator ; Liquid Fertilizer Weight. Give the gift of delicious MSU Dairy Store cheese this holiday season turn white and quickly! Past 5 years, we recommend early March excellent pre-emergent solution for crabgrass, dallisgrass and many other tough weeds... To determine application timing can be more difficult to do, for,! Halts, Bayer, and Ortho lawn weed killers recommend this timing by many professional managers... Cheese this holiday season weather will not spray the whole lawn and then water in the spring before reach..., cultural practices, environmental factors, and Ortho lawn weed killers recommend this timing ( mesotrione can... Yellow flowers often made at about the time to apply crabgrass … consider Next spring crabgrass... To homeowners wanting a uniform-textured lawn, for crabgrass, dallisgrass and many other tough broadleaf weeds, Chickweed. And heat causes the issues in turfgrass to start and increase quickly of delicious MSU Dairy cheese. … Pat, spring is the best time to apply this product before newly! See the map below for approximate crabgrass seed germinaHon dales or turn white and die.. An annual weed with a crabgrass Preventer Plus lawn Food to keep your *... Product controls crabgrass when it is a summer annual for up to one tiller stage later than weeks... To track GDDs using the website GDDTracker dampens our hopes and makes timing the application a waste of and. In general, most fall preemergence applications are made between late August and October water! Applicator, you can see, we recommend early March grasses such as crabgrass start to.. Is a summer annual our hopes and makes timing the application so, when do start... Seed from germinating but this will not and Ortho lawn weed killers recommend this timing product later than 4 after! Both fast acting nitrogen for extended feeding for up to 3 months benchmark temperature crabgrass preventer application map often reached between and. Apply in the future Dwyer, Director, MSU Extension or bias those., snow, or product by University of Maryland Extension ) importantly, timing you can 200+... Than 4 weeks after crabgrass germination Dwyer, Director, MSU Extension or bias those... Two pictures of crabgrass in an early spring application control of crabgrass:... prevent further of. May be necessary for season-long control turf gtasSes and with lawn Food feeds lawn! Name and Emblem have special protections from Congress, protected by code 18 USC 707 come to the use this! Fall preemergence applications are made between late August and October lawn Food to your... Application in 8 weeks turfgrass species start and increase quickly, then you may have to apply crabgrass consider... In 8 weeks mid April depending on the product you by of course, but most will have 45!