When To Apply Grubex (Grub Control) – Guide

Grub damage begins in spring and intensifies as the summer approaches. If you don’t treat grubs with grub control, the problem could easily recur each year. What is the best time for grub control?

Grub control should be applied in the spring, from late March to late April. If you notice signs of grub infestation, you can apply a grub killer. From late spring through early summer, grubs can turn into adult Japanese beetles. This is the best time to apply a grub killer for the next season.

Chlorantraniliprole is a chemical that kills the larvae of grubs when they hatch. It makes a good grub prevention product. For season-long grub control, make sure you apply the insecticide at the right time. This is more information.

When is the Best Time to Use Grub Control

There are two types of grub control: grub killers and grub preventers. Preventing grub damage is the best way to maintain a healthy lawn. However, if you have already noticed signs of grub damage to your lawn, it is time to apply an insecticide immediately. To prevent fall grub damage, early spring is the best time to apply Grub Control (April to May). You should treat your lawn immediately you notice brown spots or irregularities. To prevent grubs in the next season, you can apply the treatment between June and July.

The average life span of most grubs is one year. European chafers and Japanese beetles turn from pupae to adult beetles in the summer months. They lay eggs on your lawn, which then hatch into grubworms in autumn. The white grubworms, which have just been hatched, remain dormant until spring. They feed on your turfgrass roots and cause brown patches of dead grass. If your grass is turning brown, you should check for grub problems and immediately treat it with GrubEx.

  • From early spring through summer, signs of grub damage begin to appear.
  • It is important to start prevention earlier in the season.
  • You can treat grub damage with grub killer if you notice dead patches.

When the cycle is over, the adult beetles emerge early in the summer. The beetles lay eggs on the lawn and hatch in two weeks. The newly-hatched Grubs cause lawn damage until the soil temperatures drop to winter, when they go dormant.

How frequently should you apply grub controls?

White grubworms are the most destructive for lawns as they feed on roots. This leaves the grass dying and turns brown. You will need to apply grub controls according to the stage of your lawn’s infestation. How often do you need to apply grub management? You can apply grub control insecticides up to three times per year, depending on the stage of the grub’s life cycle. Apply grub killers to any areas of irregularly shaped grass. Also, preventive treatments can be applied in the spring and fall to rid the pests completely.

You need to use grub killer immediately you notice signs of grub damage to your lawn. Then, apply a grubworm preventioner to keep grubs away from your lawn next year. The region may determine the best time to apply a grub killer. For example, common practices for Massachusetts, Iowa, Texas, New Jersey, Florida etc. Because the species found in these areas may differ, the practices may not be identical.

Do I have to use grub killer every single year?

Preventive pesticide applications are sufficient to kill most of the grubs likely to cause damage in the following year. You don’t have to treat for them every year. Grubs that are found in neighbor’s lawns are unlikely to spread to yours. Therefore, only treat grub damage when it is obvious. A healthy lawn can withstand a few grubs every now and again without any damage. It is enough to treat the lawn with a Grub Killer when there are irregular patches of dead grass. Also, you can put down a Grub Preventer for the following year.

You can prevent lawn pesticides from being applied with thiamethoxam or imidacloprid as the active ingredients, once every two years, in the spring. You should follow the directions on the product label for the best time to apply the grub pesticide. Some products are more effective than others.

Is it too late for grubs to be treated?

In September, it is too late for treating grubs. White grubs can become adult beetles and are difficult to kill. You may not be able to kill 60% of the beetles already living on your lawn and laying eggs. It is too late to apply a grub killer insecticide to grass after it has been dead for at least 5 weeks. When grubs are actively causing lawn damage, apply the grub killer. This will not require any special timing. A grub preventer application, which requires precise timing, is required because it must be present in the soil either before or after the eggs hatch into larvae (white Grub Worms).

What is the average life expectancy of grub killer insecticides?

Grub preventers can be used to control grubworms for between 60 and 90 days. This means that they can be used from the moment they hatch until the time they turn into larvae. Different products have different half-lives, so make sure to plan your timing carefully before you put them down. This will ensure that you get the best possible control. Syngenta’s Acelepryn insecticide takes 3-4 weeks to penetrate the lawn’s thatch and reach the root zone. Once it reaches this zone, it can kill grubs, and provide season-long control with a single application.

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