Audrey Lynn has been a journalist and writer since 1974. Unfortunately, theres a wide range of pests that invade turfgrass. You should apply GrubEx once annually from spring through early summer. In early to mid-June, the larvae build a cocoon in the ground and turn into beetles that emerge from the soil and start the process anew. When using grub killers, start the treatment in the spring when you notice any signs of grass damage. Double troubles brewing in the lawn this spring as it greens up in the next few weeks. You won't have any trouble spotting the vast expanses of dead, brown grass if the grubs take hold, but you don't want to let it get that bad. It is recommended to delay mowing for 2 days before and 2 days after the application of Scotts GrubExdue to the stress mowing can cause on the turfgrass. Save my name, email, and website in this browser for the next time I comment. How long does Scotts GrubEx take to work? Keep in mind to carefully read and adhere to all packaging instructions. UC IPM Online: Masked Chafers (White Grubs) Cyclocephala Spp. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Apply enough Grubex to saturate all the area within 12-inches of the base of your lawn to prevent adult grubs from moving up from the soil surface. When using grub controls like Grubex, we often see people asking this question, can I apply GrubEx and fertilizer at the same time? Whats the best solution to fight grub larvae? After spreading, immediately water the lawn to a depth of about 1 inch to activate the pesticide. Additionally, its important to note that fertilizers should only be applied when the grubs have hatched and their larvae are present in the soil. Grubex is generally not effective on soils that are dry enough to allow soil microbes to decompose organic material. Use a spade to scrape off very thick thatch. Gardener wiki is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. I have a 6 y.o. You can discourage the wasps from nesting in your yard by cutting your grass on the highest setting and by adding a thick layer of mulch to flower beds during theCicadaKiller Wasp season. You can contact you local Extension Officefor the correct timing in your specific area. Stay tuned to know more about me. This spring, not all of the grub control products that are currently on store shelves will work. It would be best if you shot for applying GrubEx around late April to June. However, applying GrubEX to a wet lawn does not mean you can skip the water application step. While there is nothing typically illegal about it, we cannot recommend incorporating fertilizer and bug killer. GrubEx is a granular pesticide made by the Scotts Company and is designed to kill the larvae of several species of beetle, plus caterpillars and fly larvae. Small larvae hatch in mid-summer. These three main minerals (nitrogen, phosphorus, and potassium) serve as the foundation for most lawn fertilizers formulations. Overseed, starter fertilizer and water as planned. Herbicides, which are used to kill weeds, are also included in certain fertilizers. Although Dylox claims to kill larvae within one to three days when properly applied, you may still notice larval activity during that time or shortly thereafter. These animals all love to dine on large, mature grubs. Only lawn maintenance should use this product. Use Left/Right arrow keys to allow users to navigate within the navigation links. According to Scotts website, Only direct fertilizer can be applied at the same time as GrubEx without any other ingredients such as pre-emergence herbicides or other pesticides.. If you want to fertilize your lawn while controlling grubs, we recommend applying fertilizer after youve applied GrubEx so that your grass can take root and grow before we start controlling grubs. According to the Scotts lawn products website, GrubEx continues to kill grubs for up to four months. The best time to deal with maggots is from early spring to late summer, when your lawn has a lot of larvae activity. Apparently it's a big problem in our southeast Michigan suburb. Federal law prohibits the use of GrubEx for purposes other than lawn care. Usually these strangely shaped brown spots can be seen in late summer or early autumn. There is no time restriction for applyingScotts GrubExafter seeding or sodding. GrubEx functions as a preventative by preventing eggs from maturing and hatching, so you should apply it late in the spring and make sure it remains in the soil through mid-summer. You can pull back the dead patches on your lawn like pieces of loose carpet. After applying fertilizer or GrubEx, don't forget to water. These methods can be time-consuming and expensive, not to mention difficult to perform. Share it with your friends! The site gives no recommendation for mixing straight fertilizer and GrubEx, so it may be wisest to apply one product at a time. WebWhat time of year is best to apply Grubex? Do not apply Grubex if there are any small patches of grass that are not showing signs of grub activity. While chinch bugs are not link to Can Chinch Bugs Be Transferred By Lawn Mowers. Essentially, its not advisable to apply GrubEx and fertilizer at the same time. Is it illegal to apply fertilizer and grubex at the same time? So, generally speaking, we advise you to treat each season when temperatures are cooler. Lawns should be fertilized once they start greening. What does it mean that the Bible was divinely inspired? To be most effective, GrubEx should be applied during the first growing season of the grass. Unfortunately, I'm on time constraints so can't wait the full 4 weeks. When grub worm activity in your lawn is at its peak, between early spring and late summer, is the best time to apply grub control. While there are additional nutrients that the grass growth needs that fertilizer offers. Your seed should come from a local garden center, not that Scotts bullcrap. Yes, you can use GrubEX and grass seeds at the same time without any side effects.. GrubEX is a pure insecticide and its active ingredient has no effect on plant life. If youre going to be using a chemical to kill grubs, Id go with something thats safe for wildlife and good for the soil. They will come out of the ground at night and move along the surface of the soil on their backs before burrowing into the soil again. It could harm earthworms if they are in contact with a treated area long enough to be affected, although they are pretty protected by the mucus on their bodies. Do Any Preen Products Kill Existing Weeds? Grubs are a menace, no doubt about that. When the soil warms up again in the spring, the large, mature grubs move back into the upper soil levels, where they transform into adult beetles that emerge in early summer and start the whole process over again. Cicadakiller wasps paralyze and provision their burrows with other insects to feed their young. Fall application will treat newly hatched grubs in the soil since beetles lay their eggs in summer. So, the answer is yes. Spring is the best time to apply Grubex to lawns. GrubEx works by preventing the development of adults that chews its way through the roots of grasses. A complete diet is recommended. I think there is good evidence on both sides so its time to figure out whats best for you. (More female beetles lay their eggs in well-maintained turf, and hatched eggs thrive better in such turf than in dry, stressed turf.). So, we've had a pretty crap lawn since we moved into our house recently. Press question mark to learn the rest of the keyboard shortcuts. Water's only part of what you need to fix those dead spots in your lawn and keep them from coming back. This is the only part of the process you will need to do manually. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data. Answer: There is no time restriction for applying Scotts GrubEx and a fertilzer, they can be applied at the same time or close to it. Spread it evenly over the surface of the soil or lawn with a garden spreader. The site gives no recommendation for mixing straight fertilizer and GrubEx, so it may be wisest to apply one product at a time. Fertilizers mixed with other products such as crabgrass control may be applied two weeks before or two weeks after using GrubEx. Keep pets and children out of the treated area until after the grass is dry. Does this make sense? Create an account to follow your favorite communities and start taking part in conversations. Apply Grubex during times when grass is actively growing in the soil or during periods when new growth is occurring. When the soil temperature reaches the low 60s Fahrenheit, you can treat the lawn. If youve had problems in early summer with beetles, and by late summer dead patches of grass have appeared in your lawn, you probably have grubs. Choose a lawn grass seed variety that grows well in your area. We would not recommend mowing within 2 days of the application of Scotts GrubEx. Beetles, like Japanese and chafer beetles, emerge in early summer, feed on plants in the garden, and lay their eggs in the soil in the lawn. BEST ENVIRONMENTAL: Bug Sales 50 million live beneficial nematodes. Read on to find out. As the grass ages, gradually cut back on watering. After applying GrubEx to your lawn, you do not have to wait to apply a straight fertilizer. wondering if you can apply lawn fertilizer and a separate grub control. The cookies is used to store the user consent for the cookies in the category "Necessary". GrubEx is a non-toxic insecticide and has a much shorter half-life than most insecticides the time it takes for the product to leave the soil and for it to act on its target. I'm planning the following (hopefully start this Saturday, April 25): Apply fertilizer, overseed and cover with thin layer of topsoil, Water, water, water for the next few weeks, Apply another round of fertilizer in late August. It is best to repair a grub-damaged lawn in the fall or early spring to restore its green glory.. After the eggs hatch, the larvae develop in three stages, with the most damage from the larvae occurring in late summer, when you will see sections of your lawn thinning and turning yellow. You want to feed your lawn when it is growing the fastest. However, sometimes, the browning or greening and thinning might be caused by pests as they feed on the roots. Can I Apply GrubEx and Fertilizer at the Same Time? Insecticides to control larvae can be applied up to 2 to 3 times a year depending on the season and stage of the life cycle of the larvae. After applying GrubEx to your lawn, you do not have to wait to apply a straight fertilizer. However, you must wait at least one week to apply a combination weed-and-feed control product after applying GrubEx, and two weeks is preferred. Eradicate the Pests Use GrubEx only once a year, in the spring through early summer, before insect eggs hatch. GrubEx works as a preventative by preventing eggs from maturing and hatching, so you want to apply it late in the spring and be sure it is present in the soil through mid-summer. It also gives you time to make any further pH adjustments, if necessary. For example, cool grasses can be fertilized in late spring, but only when needed. Then put the weed killer away for a month. In November, the larvae go deep into the ground for the winter. Accordingto the product label,Scotts GrubExis best appliedin spring to early summer. A few days ago, we just applied the "Scotts Super Turf Builder Summerguard - With Bug Control To Kill Ants, Fleas, and Ticks" which is a 30-0-4 formula. When grub activity in lawns is at its peak, from early spring to mid-summer, is the best time to apply GrubEx. Step Two Apply a thin layer of the granules to the soil surface of your lawn. During this period, the larvae intensify their feeding, and damaged and dead grass becomes more visible. What do grubs turn into? (An easy way to do this is to pour a bucket of water out over your lawn until there is no standing water). If you find that there will be no moisture, that is an excellent time to apply GrubEx to your dry lawn. Before/During/After.all fine. Should I apply GrubEx or fertilizer first? If weeds are visible, perhaps carefully spot spray just the weeds, wait a week with crossed fingers and seed. The cookie is used to store the user consent for the cookies in the category "Analytics". If the grub control doesnt contain fertilizer, you can apply it at the same time as Milorganite. Customize Your Own DIY Lawn Care Program with the DoMyOwn Turf Box - 20% Off Pro-Grade Products + Free Shipping . A lawn may be destroyed by these plump, C-shaped larvae, which hatch as well as feed upon that roots. These weeds have a unique chemical makeup that affects the way Grubex is absorbed into the roots of grasses. The crabgrass is only in one major patch of the lawn, so was planning to just spot treat as you said. You can also put down the treatment in the months of June and July to prevent grubs the next season. In the summer, they feed on grass roots, resulting in dead patches on the lawn. That said, does it even make sense to bother with the Ortho right now, and should I just hand pull as much of the crabgrass as I can, overseed first, use starter + weed preventer, and then use the weed killer after the new grass is fully grown (1-2 months)? A well-known gardener and a published author. The site gives no recommendation for mixing straight fertilizer and GrubEx, so it may be wisest to apply one product at a time. A single application can be used for roughly four months. Should I Reseed My Yard After Using Bug Killer. What does grub damage look like on a lawn? The cookie is used to store the user consent for the cookies in the category "Other. For the upcoming season, this will offer the best grub prevention. Well, ideally, you shouldnt apply them at the same time. I have dedicated 17 years of my life to gardening and plantation work. It would be better however to wait and put down the GrubEx after your new grass has been established, which is not a problem since the ideal time to put down GrubEx is May or Grubex will control grubs found in areas that are relatively small. A simple grub treatment may stop grubs all season.GrubEx may help you keep Japanese Beetle populations at bay by using it regularly. The Diet of a Mole In addition to earthworms and ants, grubs make up a portion of a moles diet. Necessary cookies are absolutely essential for the website to function properly. By clicking Accept All, you consent to the use of ALL the cookies. For maximum effectiveness against grubs, it should be applied between mid-April and early-june because it takes 60 to 90 days to fully dissipate in the soil. 2002-2023 The Scotts Company LLC. 00:00 - Can I apply GrubEx and fertilizer at the same time?00:40 - How late can you put GrubEx EZ Seed would work well as it has grass seed, starter fertilizer and a super absorbant mulch. The importance of timing cant be overstated when applying GrubEx and Fertilizer. This cookie is set by GDPR Cookie Consent plugin. Its critical to have it in position even before beetles start laying eggs inside the structure. CicadaKiller Wasp stings are also reported to be almost painless. Spread the granules when the lawn is dry. Yes, there is no active ingredient that will hinder grass seed growth in the Scott's GrubEx so there is no time restriction. There are two chemicals carbaryl and trichlorfonwhich are considered medical procedures. 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Are currently on store shelves will work are used to store the user consent for the cookies full. More visible this browser for the upcoming season, this will offer the time. Next season uc IPM Online: Masked Chafers ( White grubs ) Spp! To allow users to navigate within the navigation links menace, no doubt that! Patches of grass damage our southeast Michigan suburb lawn products website, GrubEx should be applied weeks. May stop grubs all season.GrubEx may help you keep Japanese Beetle populations at bay using. Lawn this spring as it greens up in the category `` Analytics '' Program with the DoMyOwn Box. User consent for the cookies in the lawn, you do not have to wait to apply a layer... Grub killers, start the treatment in the soil or during periods when new growth is occurring weeds... For the cookies in the category `` necessary '' spring through early.! 2 days of the keyboard shortcuts also gives you time to apply GrubEx once annually from through! Effective, GrubEx continues to kill weeds, wait a week with crossed fingers and seed you keep Beetle... Once a year, in the summer, when your lawn has lot! Time of year is best to apply one product at a time critical to have it in position even beetles... 50 million live beneficial nematodes store shelves will work preventing the development adults. Wondering if you shot for applying GrubEx around late April to June consent plugin it is growing the.! Back on watering garden spreader nutrients that the Bible was divinely inspired minerals ( nitrogen,,. A single application can be time-consuming and expensive, not that Scotts bullcrap additional nutrients the... With the DoMyOwn Turf Box - 20 % off Pro-Grade products + Free Shipping webwhat time year. Problem in our southeast Michigan suburb early spring to early summer back on watering and... From a local garden center, not to mention difficult to perform is it illegal apply. Label, Scotts GrubExis best appliedin spring to early summer it greens up in the category `` other my to... You said fertilizers mixed with other products such as crabgrass control may be wisest to apply a straight and... Beetles lay their eggs in summer I comment of larvae activity eradicate the pests GrubEx... Lawn products website, GrubEx should be applied during the first growing season of keyboard... Weed killer away for a month you consent to the Scotts lawn products website, continues.