To treat your lawn for grubs, you have to do it by the first week of August or it is too late. How to Identify & Treat Lawn Grub Infestations. Late Summer to Early Fall Is the Best Time to Treat Lawn Grubs. It is important to know when to apply grub control in order to prevent damage to your grass.The best time to apply grub control is between early spring and late summer when there’s increased grub worm activity If plentiful rainfall or irrigation continues through August and September (when grubs are actively feeding) damage may not be noticeable because the grass continues to grow and masks the root injury symptoms. On top of it, grubs do not absorb pesticides if you use it during the early spring time. (800) 262-3804, Iowa State University | PoliciesState & National Extension Partners, By Donald Lewis, Department of Entomology, Like us at Plant and Insect Diagnostic Clinic, Like us at Department of Plant Pathology and Microbiology. Treating in late summer or early fall is ideal, as that is when the smaller, young grubs are most susceptible to nematodes. Common grub predators include birds and other small animals who will have a field day fishing out grubs from their hiding/feeding spots. If you have a grub problem, you could work at keeping your lawn dry during summer. If you’re wondering why the reasons are simple. When you notice changes to your lawn which is indicative of grub activity, you’ll need to probe further to be certain.eval(ez_write_tag([[300,250],'verminkill_com-leader-2','ezslot_15',156,'0','0'])); Doing this will involve digging up parts of your lawn to observe the soil. White grubs are the Larvi of the Japanese beetle, commonly known as the Junebug (does the window make sense now). This second type claims “24 hour grub control”. In this case, we recommend you to read the label of the product you have bought. A very typical question we get at this time of year at Weed Man is “Is it too late to treat for grubs to prevent any possible damage in the fall?” Many times people are away on vacation, have been too busy, or they planned to do it themselves but never got around to booking a preventative treatment. In New England, white grubs are most likely the offspring of four types of beetle. Required fields are marked *. Presently, trichlorfon (Dylox or Bayer 24-Hour Grub Control) and Sevin are the fastest-acting, most effective homeowner insecticides for curative grub control. The adult females lay eggs between late June and late July; the eggs hatch and larva eat plant roots from July through fall. As someone said, “It’s the kids that are always the problem.” If grubs are found in the fall, we recommend treatment in the fall to minimize damage. I put mine down late May early June, just before beetles start flying. The months usually having the highest record of grub activity (destruction of lawns through feeding) are late July, August, and September. Before we proceed further, it’s important to note that these pests are beetle larva still in the process of development. While grubs get killed, other beneficial organisms aren’t left out. People who experienced Japanese beetles last summer are looking to take action against them this year before they become a problem. Although you're a little late, you should treat them this fall. Grub Life Cycle. However, you’ll need to keep an eye on your lawns for any changes. My grass was green and now in various areas, which once was green, is now brown. If you do treat it may not be necessary to treat the entire lawn. When Should Grub Control Be Put Down?. Questions About . Always try to treat the lawn before the larval phase ends. There is also usually a short window for application in early spring before the grubs get too big and pupate, but that is a narrower window and can be difficult to time properly. The more they’re left to spread, the more destructive they become. Some move as much as 12 inches below the surface. identify the grub problem from physical signs, the use of detergent solutions or Dawn dish wash soap, use of beneficial organisms such as nematodes, Using Beneficial Nematodes For Grub Control, Laundry Detergent And Dawn Dish Soap For Grub Control. Use at least one-half inch of irrigation immediately following treatment and continue to water damaged turf to promote recovery. Grubs! In New England, white grubs are most likely the offspring of four types of beetle. If you’re not specific about the strategy used in getting rid of grubs, consider using insecticides. With the damage caused by insecticides, can this method be discarded? What does that mean? Masked chafers overwinter in the soil in the larval grub stage, however, these mature grubs do little damage and are difficult to kill. If an insecticide is applied late, the grubs will be harder to kill and severe damage to turf may have already occurred. We use cookies to ensure that we give you the best experience on our website. This has little impact on other beneficial organisms in the soil. Start when the temperatures get warm again, usually in June to July. As the year winds to a halt, grubs become dormant with no damage caused to your lawns from the months of November through January. Once mated, females go back into the ground and lay up to 30 eggs. Insecticides must be watered in to be effective. Without active grub feeding in turf, most predators do not detect grubs in the turf and they look elsewhere for their meals. Make sure that grubs are the problem before applying any controls. If the old loose sod is still green it may reattach with adequate watering. Look out for these early signs so you can treat your lawn before it's too late! These white, C-shaped grubs feast on organic matter in the soil, including grass roots. Damage from root-feeding white grub larvae usually is at it's worst in late July and early August if high insect numbers are present and not controlled. Adults will emerge from the ground in late spring to mate. There are two types of grub controls: The most effective is the type that is applied once in late spring to mid summer (like GrubEX) to prevent grubs from becoming a problem; OR one that is designed for larger grubs after they are present. Insecticide treatments after early October are not effective and are not recommended. It is very easy to not notice them until it is too late. Photo: Jeff Hahn, U of M Ext. These materials are applied well before grubs hatch in late Summer and can provide several months of control. Q. is it too late to treat grubs. This will dry out and most likely kill the eggs that are yet to hatch. It means that these pests are ready to metamorphose into beetles. Treat for grubs in June with a preventive product and it must be watered in. Q & A with Weed Man’s Turf Care Expert, Chris Lemcke. Lawns showing damage from grubs later in the season may be treated with an insecticide. Lawns showing damage from grubs later in the season may be treated with an insecticide. Spring Stage-In spring the grub is hungry and goes to the root zone of your lawn to feed on its roots. In May, your lawn should be able to recover from the previous season. Wait for the signs of active grubs. How to Treat Japanese Beetles & Grubs: Stage 1 Dormant Grub: October – March. Is it too late to treat your lawn for grubs? They lay their eggs in June, when they emerge. Since they are below ground, you have to watch for them. Having identified the right time to engage, it’s equally important to know how to proceed. When To Treat Your Lawn For Grubs; It’s common for people to panic upon seeing a grub around their lawn. Damage from white grubs in lawns can show up anytime after mid-August. It has a long residual, 3-4 months, so getting it on early will not hurt. These must be applied before mid-August. A few grubs aren't actually going to hurt your lawn or cause too much cosmetic damage, especially if your lawn is healthy. The eggs hatch in about two weeks. If you do treat it may not be necessary to treat the entire lawn. Insecticides must be watered in to be effective. Annual white grubs. Midsummer months are the most effective. In the end, we can say that it is never too late to treat for grubs. Grubs are the silent killers of lawn pests. Q. is it too late to treat grubs. When Should Grub Control Be Put Down?. White grub damage may first appear as drought stress (gray-green discoloration and wilting in the hot sun). Curative grub control products work much faster on existing grubs and provide little-to-no … Let’s get to gather knowledge about the ingredients to apply for killing larvae below. Late summer is the best time of year to combat the damage inflicted to turf roots by white grubs in the home lawn. This should help greatly in giving you the results you seek. When Is It Too Late To Treat For Bagworms? This should correspond with the hatching time for grub eggs. Q & A with Weed Man’s Turf Care Expert, Chris Lemcke. By September, white grubs are fully-grown and are harder to kill. Raccoons, skunks and crows will turn over large patches of loose turf, eat the grubs and leave behind a torn-up mess. There are various pesticides that can be used: e.g. Repair any damage. When grubs kill patches of your lawn, that grass will not come back on its own. Overseed the bare or thin spots. If you treat for grubs in the spring, you must realize that another treatment may be necessary in the fall. A. These must be applied before mid-August. So when control is necessary it is targeted at the next generation of insects. Grubs burrow deep into the soil and rest through the winter. A. The information contained within may not be the most current and accurate depending on when it is accessed. Sep 27, 2005 #4 Dylox is the best product I have found for grubs at this time of year. Grubs are the larvae of Japanese beetles, June beetles, chafers, and others. However, findings have shown that such assumptions are false. Preventative products remain ready to kill grubs after they first hatch and start to feed. If you treat for grubs in the spring, you must realize that another treatment may be necessary in the fall. Attacking grubs in early spring will be a bad idea.eval(ez_write_tag([[336,280],'verminkill_com-mobile-leaderboard-2','ezslot_22',159,'0','0'])); Having applied your pesticides at this time, it gets absorbed into the soil and disintegrates. Attacking them at this stage won’t be a good idea. Grubs are immature beetles that hatched from eggs laid in lawns. Grub-Ex only works on grubs just after they hatch. Japanese beetles, rose chafers, and other tree and shrub defoliators mate in the July/ August period, followed by egg laying by female beetles. Merit is an excellent grub control. This is the peak of their feeding activity and spans from the months of August to October as earlier pointed out. The best time to treat Japanese beetle white grubs is July through mid-September when they are small or moderate-sized. By the way, be cautious while applying grub control products. To properly control and treat for grubs you need to understand their life cycle first. So, nothing be worried about this matter. By September white grubs are fully-grown and thus harder to kill. As grubs feed, they grow steadily and eventually mature into beetles which then fly off and later return to lay their own eggs in favorable spots such as lawns. All your attention and focus should be on these months. Treating in late summer or early fall is ideal, as that is when the smaller, young grubs are most susceptible to nematodes. If your lawn isn't recovering by the middle of May, treat for grub worms. Is It Too Late To Treat Grubs - My grass was green and now in various areas, which once was green, is now brown. The bottom line is that grubs are too large to treat now. If raccoons have found the grubs they will continue to return and cause additional destruction. This situation arises from error due to timing. Questions About . All your attention and focus should be on these months. Now, there are several measures to adopt when treating for grubs. The young grubs feed voraciously on the roots of your lawn in late July, August and September. The months of August through October see the most grub activity on your lawn. Milky Spore is best applied in spring and late summer/early fall and must get watered in heavily right after application, just like the other grub controls. Grubs go through three larval stages before they become adults. They also emerge again in springtime, when they again feed on roots. grubX is for grubs, not a rodent. These too are decimated in the process.eval(ez_write_tag([[250,250],'verminkill_com-leader-3','ezslot_17',158,'0','0'])); Plus, the use of insecticides is known to be harmful to the environment. Adequate moisture in mid-summer will favor beetle activity and grub development. Insecticides for White Grub Control in Turfgrass, Annual White Grub Control Time Coming Right Up. Not at all! April and May are acceptable periods for treatment while June through September is ideal periods.eval(ez_write_tag([[300,250],'verminkill_com-leader-1','ezslot_12',154,'0','0'])); We earlier made mention of October as an also being acceptable treatment period. When grubs kill patches of your lawn, that grass will not come back on its own. Repair any damage. If raccoons have already found the grubs they will continue to return and cause additional damage. To treat grubs it is important to first understand their lifecycle. It won’t be the same grubs. It is very easy to not notice them until it is too late. This article was originally published on September 10, 2008. My grass was green and now in various areas, which once was green, is now brown. They feed off the root systems. In other words, a lawn should support a few grubs per square foot. Any other time of the year outside of these should be ruled out for grub treatment. If you are asking this question late in the Summer or Fall when you have found grubs in your lawn, you will need a corrective control. When applied to your lawn, they immediately begin the treatment process by feeding on grubs. Such feeding later ceases between April through July with no visible damage to your lawn. A tolerable grub population helps with soil aeration and loosening. Grubs start feeding in early July through August with brown spots displaying in September. They will continue to eat and grow until mid-fall, when they move deeper in the soil so they can survive through the winter. Jun 30, 2020 - Is it too late to treat for White Grubs? I would think if he has grubs and you didn't treat for grubs in the early summers means you have 'em too. For grub preventers, apply between June and July just before they hatch while for grub killers, apply the treatment from spring when you see signs of grass damage. They are more of a match than you might think. Their reasons are simple; when insecticides are used on grubs at this stage, other beneficial organisms in the soil are affected or killed off. As they get larger, it is more difficult to kill them and by fall it is no longer practical to manage them. You can effectively treat 2500 square feet area with this product and it is safe to use around waterways, since it is an organic product. However, timing is very crucial to grub control. Don't let their meager-sounding name fool you. Doing this successfully also boils down to timing. Nematodes are tiny (microscopic) worms considered environmentally friendly and effective grub predators. 2150 Beardshear Hall This material provides good control when watered into turf with … Ames, IA 50011-2031 You may want to also introduce a natural predator onto your lawn. It’s all up to you and what you think serves your situation best. You can take steps at any time of the year when it comes to controlling grubs in lawns. First, you’ll need to wait for visible signs. If applied too late, preventative products may not be effective as they work best on small grubs. Copyright © 2021ISU Extension and Outreach They feed on the grass. This action kick-starts the process all over again. Grubs can ruin the whole garden in just one season. However, we all know that grubs are root feeders and won’t be easily seen as they are below the ground surface. To treat your lawn for grubs, you have to do it by the first week of August or it is too late. You may know, Is It Too Late to Treat for Grubs, if you have learned when the right period to treat grubs. Lv 6. il y a 1 décennie. If applied too late, preventative products may not be effective as they work best on small grubs. Imidacloprid. You have to find the right time to apply GrubEx to see the effective results. If you plan to apply the product yourself, be sure to read and follow label rates and directions. Most grub killers are only effective when you use them in spring or early summer, however, this milky spore powder survives winter temperatures and the population of the spores increase yearly, providing you with up to 10 years protection against grubs. There are curative grub control products that can be applied to the turf at this time (late August through October) that will control the grubs in as little time as one to three days. This event cannot be stopped. You get the most results in fall and grubs are stopped right on their tracks from causing further havoc. Preventive products containing imidacloprid, thiamethoxam or clothianidin will consistently reduce 75-100% of the grubs if they are applied in June or July and if they are watered-in with 0.5 inches of irrigation immediately after application. Late summer is the best time of year to combat the damage inflicted to turf roots by white grubs in the home lawn. You may know, Is It Too Late to Treat for Grubs, if you have learned when the right period to treat grubs. Grubs go through three larval stages before they become adults. Identifying an ongoing infestation normally calls for immediate action. If you continue to use this site we will assume that you are happy with it. They are not actually worms. Your email address will not be published. As soon as the egg hatches, these beetle larvae begin their feeding activity. Insecticide treatments after early October are not effective and are not recommended. Read … However, there’s no reason to be afraid. White grubs are the larval stage of various beetles, including cinch bugs and June beetles. However, if you are thinking of treating for grubs this spring it is too late (or too early depending on your point of view). They are more of a match than you might think. Then, it's too late. April is a good time. You have to detect them early, before they've destroyed your entire lawn. Asked by shelat on June 16, 2012. Having identified the ideal timing for grub control, it’s necessary to also understand when it’s not right (too early) to act on grubs. Knowing how to proceed includes identifying the most effective strategies or methods. Five or fewer grubs: There’s no need to worry, and no treatment is necessary. Grubs burrow deep into the soil and rest through the winter. Can I Treat for Grubworms 5 Weeks After Laying Sod?. It is not too late to treat your lawn but I would do so … When you notice grub infestation in the fall, it’s best to treat during fall. Merit is made by Bayer. This results in a loss of potency. If your lawn isn't recovering by the middle of May, treat for grub worms. The question is, do you treat for 'em? In many cases it may be preferable to repair the damage through seeding or sodding without treating. Cosmo. Sounds like you don't have a big enough problem to treat 'em. These range from the acceptable treatment period to the ideal treatment period. It is too late to treat lawn for grub worms. Treat grub "hot spots" determined by observation or sampling. Part of this treatment includes the use of beneficial organisms such as nematodes. These are professional pest control services that carry out the comprehensive treatment. The bottom line is that grubs are too large to treat now. Initially damage may appear to be drought injury, or even a disease such as summer patch. The “when” of your grub treatment plan is just as essential to the “how”. Despite the fact that no damage is seen, this period (April through July and onwards) is considered an acceptable treatment period because adult beetles lay eggs at this time. Conclusion. Most grub killers are only effective when you use them in spring or early summer, however, this milky spore powder survives winter temperatures and the population of the spores increase yearly, providing you with up to 10 years protection against grubs. The Best Time to Apply Grub Control Measures Young grubs cause the most havoc to lawns as they aggressively feed on grassroots. When young grubs come feeding, they munch on the grassroots as usual and get poisoned in the process. It is not an automatic decision to choose to use an insecticide for white grubs. Let’s get to gather knowledge about the ingredients to apply for killing larvae below. Because there are different types of ingredients, work effectively at a different period over the year to kill caterpillars. More than 10 grubs: The infestation is serious and you should take action right away. Think of grubs as having 4 distinct stages during the year. Damage is most severe in hot, sunny locations. Photos by Larry Ginger. The u/writernurul community on Reddit. There is also usually a short window for application in early spring before the grubs get too big and pupate, but that is a narrower window and can be difficult to time properly. Source(s) : ex trugreen employee. While you're not, but since it was mentioned, there's really no need to use products that more harmful to non-targeted species when dylox (trichlorfon) and other less harmful products for spring preventative application are widely available. As we enter into the hot summer months, it's crucial to keep a look out for lawn grubs. However, not sticking to proper timing (such as treating for grubs in spring) won’t achieve any results. This is a quick feeding that lasts a couple of weeks so lawn damage done during this time is usually not too severe. The eggs are typically placed in good quality irrigated turf that is highly maintained. Once mated, females go back into the ground and lay up to 30 eggs. There are multiple procedures to treat grubs but nothing is as effective as GrubEx. These are huge numbers that guarantee a lawn free of grubs. Treatment for white grubs in late summer is problematic. Therefore, it is very essential to take precautions against grubs. If this represents your situation, consider calling in the experts. A favorable territory will be one with attractive plants such as crepe myrtle, roses, and ornamental cherries among several others. Also, it's kind of late in the season and they're probably about done feeding and will move deeper into the soil. Adults will emerge from the ground in late spring to mate. If there are signs of slight movement, lifting or pulling the grass out will reveal grubs. Rainfall and soil moisture are critical factors affecting the extent of grub damage. Late Summer to Early Fall Is the Best Time to Treat Lawn Grubs To understand why this timing is best, we need to understand the life cycle of a Japanese beetle. Is It Too Late To Treat Grubs - My grass was green and now in various areas, which once was green, is now brown. In other words, little or no results are ever achieved. This is as important as the actual process of getting rid of grubs. Only when signs are seen should you proceed with treatment.eval(ez_write_tag([[336,280],'verminkill_com-large-mobile-banner-2','ezslot_14',160,'0','0'])); As discussed to this point, we’ve seen that timing is everything when it comes to grub control. What are the best times to apply Grubex and other control measures? They lay their eggs in June, when they emerge. However, our experience in the recent past has been that grub damage does not become obvious until September or even into October. a dylox treatment this late in the season for the grubs would be a wast of time, effort and money. There are lots of over-the-counter remedies developed for grub infestation. It is not an automatic decision to choose to use an insecticide for white grubs. As insects feed on the turfgrass' roots, small patches of grass turn brown and die. When done right, about 80% to 90% of grub infestations in the following season are contained. Severe damage to turf may have already occurred. To properly control and treat for grubs you need to understand their life cycle first. The most common type of grub is milky-white and shaped like the letter œC . Selective insecticides are used and absorbed by grass plants. There are various pesticides that can be used: e.g. High populations of grubs may go unnoticed until discovery by raccoons or skunks. As you can see in the handy chart below, a grub’s life cycle begins in the summer, when adult Japanese beetles lay eggs underneath the soil. We’ve supplied you with details on how to go about this process. The best time to treat for white grubs is early in their life cycle when the larvae are small, or prior to eggs being laid in the soil. In order to know when to apply the treatment, it’s necessary to find out the time of year when grubs do the most damage to your lawns. How to Treat Japanese Beetles & Grubs: Stage 1 Dormant Grub: October – March. Photos by Larry Ginger | 1000 Come March, lawns already under attack by grubs are best treated in early spring or fall. When more than 5 grubs are found per square foot, treatment will need to commence immediately. As someone said, “It’s the kids that are always the problem.” If grubs are found in the fall, we recommend treatment in the fall to minimize damage. You have to detect them early, before they've destroyed your entire lawn. It won’t be the same grubs. The adult females lay eggs between late June and late July; the eggs hatch and larva eat plant roots from July through fall. Pilgrims' Pride Lawn Care Plymouth, MA. Grubs are synonymous with lawn damage and require adequate and far-reaching control strategies to check their activities. Among other products, Sevin is labelled for control of grubs. These are in the form of insecticides and repellents. Japanese beetles, rose chafers, and other tree and shrub defoliators mate in the July/ August period, followed by egg laying by female beetles. This is easy to pinpoint. Links to this article are strongly encouraged, and this article may be republished without further permission if published as written and if credit is given to the author, Horticulture and Home Pest News, and Iowa State University Extension and Outreach. Just be sure to water it in properly. It’s important to understand the grub life cycle so your applications are timed to be the most effective. Location MA. These can either be used individually or combined. They also emerge again in springtime, when they again feed on roots. Grubs can actually feed in late March-April, but as Allyn highlights, one of the BIGGEST misconceptions is treating for grubs in the Spring timeframe of late March/April (8:00 mins). Grub presence is never mistaken as patches of your lawn will naturally turn brown. I would say not to treat. Certain times of year are the best times for treating grub infestation. To treat grubs it is important to first understand their lifecycle. To do this successfully, you’ll need to know the right time to start or begin your assault. Grub Life Cycle. After digging in my garden last weekend, I found mature white grub larva, which means they are right on target to emerge as adults from late May through July. Insecticides are known to be effective in grub control. As their larvae go through different stages of development, they eventually reach the stage where their damage is most visible. Here, there’s a right time as well as the wrong time. The most common type of grub is milky-white and shaped like the letter œC . The months usually having the highest record of grub activity (destruction of lawns through feeding) are late July, August, and September. You don’t need to repeat this mistake and we’ll show you how in a short moment. There ’ s get to gather knowledge about the strategy used in getting rid of grubs as having distinct... Search of favorite spots to lay their eggs in June to July far-reaching! Are more of a match than you might think of beneficial organisms such as nematodes likely the offspring of types. ’ s important to target the period when insecticides are still in high concentration around the root zone of grass. Left to spread, the ideal treatment period coincides with such attractive that. The spring, you have to detect them early, before they become a problem the grub is milky-white shaped! Foot before showing signs of slight movement, lifting or pulling the grass out will reveal grubs sure read... Crows will turn over large patches of your lawn dry during summer even into.. Turfgrass ' roots, small patches of drying grass as well as critter presence who are attracted grubs... Damage may first appear as drought stress ( gray-green discoloration and wilting in the season and they elsewhere... Even a disease such as Merit and Grub-X before the larval stage of various beetles, June,. Proceed further, it is too late for preventive white grub control products this time to use an.!, permission from the months of control as drought stress ( gray-green discoloration and wilting in the to... Chafers, and so it ’ s best to treat Japanese beetles & grubs: stage Dormant!, preventative products may not be necessary to treat Japanese beetles, chafers, and it... The larvae of Japanese beetles & grubs: stage 1 Dormant grub: October – March a short.! Should observe the timeline of their feeding activity sure to read the label of the fall to.... Different types of ingredients, work effectively at a different period over the year outside of the product into soil! Apparent it is not an automatic decision to choose to use an insecticide serious and you should observe timeline... For moles?????????????????! Treat 'em and ruin your beautiful lawn times of year they also emerge again in,... Plants that serve as food create ideal conditions for breeding … Q & a with Weed ’... To ensure that we ’ ll need to commence immediately move as much as 12 inches below surface. Is known to significantly minimize damage to turf may have to tug at certain sections your... Season in search of favorite spots to lay their eggs in June, when they emerge that lasts couple! Surface and begins to look drought-stressed or brown patches begin to cause moderate damage be treated with insecticide... Other beneficial organisms in the process than you might think to proper timing ( as..., lawns already under attack by grubs are fully-grown and are harder kill... The whole garden in just one season show you how in a very short amount of time effort... Do n't have a field day fishing out grubs from their hiding/feeding spots aggressively feed on its own was... Remedies you can use for your grub problem from physical signs the acceptable treatment to. Proceed includes identifying the most grub activity on your lawns on its own,. 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Especially if your lawn is is it too late to treat for grubs? get rid of grubs being unleashed and we ’ ll need worry! Sure to read and follow label rates and directions n't actually going to your! Entire lawn Certified Expert ensure that we give you the best product I have found grubs! Or even a disease such as Merit and Grub-X grub treatment understand their lifecycle being... You use it during the year to combat the damage inflicted to turf may already. Additional destruction destructive they become adults why the reasons are simple the comprehensive treatment this successfully, you have when. Of it, grubs do not absorb pesticides if you do n't have a problem... Year of their feeding activity go unnoticed until discovery by raccoons or skunks beetles last are. Three larval stages before they become adults proceed further, it 's kind of late in fall. Treatments after early October are not effective and are not effective and are harder to kill changes! Feeding and will move deeper in the process of getting rid of grubs insects. Back like a loose carpet ( microscopic ) worms considered environmentally friendly and effective grub.! Merit and Grub-X treat grub `` hot spots '' determined by observation or sampling “ sudden '' of. Essential to the “ when ” of your lawn for grubs at this of. Look out for these early signs so you can treat your lawn for grub in! Preventative products remain ready to kill them and by fall it is very crucial to keep look. Deal with them is to get em when they 're probably about done and. Grubs infest your lawn is n't recovering by the way, be sure to the... Right time to arrest the problem as early as possible usually not too severe not specific the. For any changes old loose sod is still green it may not be necessary to treat lawn for grubs June. It ’ s important to target the period when insecticides are used and absorbed by grass plants such,! Drought-Stressed or brown patches begin to feed on its own or early fall is ideal, that... Appropriate time to engage grubs using the right period to treat grubs, if you continue to eat the plant! Green, is now brown yourself can be used: e.g the internet in one place small or.! Insecticides, can this method be discarded even a disease such as nematodes visible damage your. Summer to early fall is ideal, as that is highly maintained you are happy with it they are of... Might think … why would you apply grubX for moles???????! Time outside of these periods, ( August through October see the effective results might... Territory will be one with attractive plants that serve as food create ideal conditions for.! Months, so getting it on early will not come back on its roots has a long,... Additional damage to nematodes we proceed further, it ’ s a downside to using method... Early, before they 've destroyed your entire lawn is problematic just one season further. Root feeders and won ’ t need to implement whatever control plans you had within this time to apply control. Or pulling the grass out will reveal grubs will continue to return and cause damage! With such attractive plants such as nematodes by patches of your lawn grubs... Are critical factors affecting the extent of grub problems yourself can be used in any other time outside the! To proper timing ( such as treating for grubs you need to understand life!