What is the best thing to kill grubs in your lawn?
There are two chemicals, carbaryl and trichlorfon, that are considered curative treatments. They are short-lived compounds that kill all life stages of grubs. These two insecticides are the only options if high numbers of grubs are found in the fall and in spring before early May. Maintaining a healthy lawn is key to preventing the spread of grubs in your lawn. Regular fertilization is important to strengthen the grass and other foliage. Aerating the soil is another effective way to reduce grub infestations. The beetles that spawn the most destructive grubs prefer compacted soil for their eggs.There are two primary chemicals used to reduce lawn grub populations: carbaryl and trichlorfon. Both effectively kill grubs and are generally considered the only options when high concentrations of grubs are found in the fall or early spring–before May.Moist soil. Whether you over-water your lawn or have poor drainage, excess moisture creates an ideal habitat for grubs.Grubs can be found within your lawn during the late summer months after the beetles have laid their eggs around July. Female beetles lay their eggs about one or two inches deep in the soil.Once grubs have grown large and moved deep into the soil in late fall or have entered the pupal stage in spring, chemical treatments are ineffective. Plan your preventive applications for early to mid‑summer and curative applications for late summer if needed.
What does a grub-infested lawn look like?
Here are some common signs of lawn grub damage: Brown, thin patches of grass that do not correlate with drought. If your grass looks brown, has brown spots or patches and the blades of grass are thin and weak, you might have grubs in your lawn. Grass that is loose and easily rolls up from the sod. They will not be in the grubs stage again until next spring. The grubs have killed off the grass by eating the roots and so it will not grow back.In October or November, when soil temperatures begin to cool, the grubs cease feeding and move deeper into the soil, where they lie dormant in the winter. They return to the root zone and resume feeding early the following spring.Grubs won’t go away on their own. If left untreated, the infestation will continue to spread and cause significant damage to your turf. As the grubs continue to feed on the roots of your grass, they will weaken and eventually kill the grass.Curative insecticide treatments after early October are not effective and are not recommended. Unfortunately, raccoons and skunks are much better at locating grub populations than we are and the first hint of a grub problem in your turf is likely to be that your lawn was plowed by varmints overnight.
When should I apply grub control to my lawn?
The Best Time to Apply Grub Control To prevent grubs from infesting your lawn, the best time to treat the area with insecticides is late spring or early summer. For active infestations, you should treat your lawn in early fall. The easiest way to do this is by applying dishwashing detergent to an area of suspected damage. Simply add 30ml of dishwashing detergent to a 9L watering can and apply over a 1m2 area (buckets work just as well). Give it a few minutes, and the lawn grub should come to the surface.To apply grub control granules, you’ll want to mow the lawn first, as well as make sure that the lawn is dry and that there is no rain predicted for the next 24 hours. The protective equipment you want to wear for this application includes long sleeves, long pants, shoes, and socks.After applying grub control products, it’s important to water your lawn thoroughly to help activate the insecticide and drive it into the soil where grubs are feeding. Failure to water after application can result in poor efficacy and may require later reapplication.Nematodes are small, parasitic worms that will invade grubs and kill them. You simply shake them up in water and apply them to your lawn. This is a long-term solution though and can take up to 3 years to fully control your infestation. If you want a faster solution, you can use a grub killer.
Can a lawn recover from grub damage?
After grubs have damaged your lawn, it is crucial to take steps to help it recover. One of the most important things you can do is to fertilize your lawn. Fertilization provides essential nutrients that promote healthy growth and root development, which is necessary for repairing the damage caused by grubs. The Best Time to Apply Grub Control To prevent grubs from infesting your lawn, the best time to treat the area with insecticides is late spring or early summer. For active infestations, you should treat your lawn in early fall.For fall Grub infestations, apply a pesticide that’s labeled for Grub control and contains the active ingredient trichlorfon (Dylox) or carbaryl. The active ingredient is listed on the front of the packaging.To kill grubs in the spring or fall, use carbaryl or trichlorfon. Always wear rubber gloves and rubber boots when applying insecticides to turfgrass. Make sure to irrigate the lawn with at least 0.Here’s how you can treat the grubs in your lawn: Curative chemical insecticides. Carbaryl and trichlorfon are considered curative treatments. You apply them once you’ve noticed grubs in the grass.To apply grub control granules, you’ll want to mow the lawn first, as well as make sure that the lawn is dry and that there is no rain predicted for the next 24 hours. The protective equipment you want to wear for this application includes long sleeves, long pants, shoes, and socks.
What happens if you don’t treat grubs?
What are the Signs of Grub Damage? Grub lawn damage looks like big, irregular dead patches of turf. These are areas where the grubs have detached your grassroots, which prevents your lawn from receiving water and nutrients. In turn, these sections of grass die. Brown or dead patches on your lawn: As grubs feed on grass and roots, their activity can kill your grass. You may notice brown patches, or your lawn may contain dead spots in unusual shapes or patterns.Typically, late May through July is the prime period to apply grub control treatments for southeastern lawns. Monitor for the first signs of grub activity like irregular brown patches, spongy turf, or an uptick in moles/raccoons digging in search of a grub buffet.Luckily, your lawn can recover! Schedule an overseeding service to help thicken your turf after a grub infestation. By spreading grass seeds across your lawn, your lawn will be filled with new, green grass that will fill in any bare or patchy areas that were caused by grub damage.Controlling Grass Grubs: For optimal results, GRUB+ insecticide should be applied at a rate of 15 ml per 100 m² in a minimum of 4L of water. When treating for grass grubs, it’s important to follow the application immediately with irrigation (3-6mm) as per the label instructions.
What are the signs of grub infestation?
Identifying Grub Infestation One of the most common indicators is the presence of brown patches or oddly shaped dead spots on your lawn. These unsightly areas are caused by grubs feeding on the grassroots, which weakens the grass and leads to its demise. Another sign to look out for is spongy or loose-feeling grass. To get rid of grubs with Neem oil, mix with water and apply spray treatments once a month during the summer. It works by preventing lawn grubs from laying eggs, growing, and feeding.Be sure to follow application directions. To activate the product, water immediately after applying. A drought-stressed, underfed lawn will show grub damage faster, and with fewer grubs per square foot, than a properly-fed, well-maintained lawn.Luckily, your lawn can recover! Schedule an overseeding service to help thicken your turf after a grub infestation. By spreading grass seeds across your lawn, your lawn will be filled with new, green grass that will fill in any bare or patchy areas that were caused by grub damage.Luckily, your lawn can recover! Schedule an overseeding service to help thicken your turf after a grub infestation. By spreading grass seeds across your lawn, your lawn will be filled with new, green grass that will fill in any bare or patchy areas that were caused by grub damage.