It is often best to put down grub preventers from April through mid-July when grubs are ready to hatch. If you want to stop grub damage right away, the best time to apply a grub killer to your lawn is when you first see signs of damage.
What month are grubs most active?
Grub damage may appear in home lawns from mid-September to November or from March to early May. However, for low-maintenance lawns, even if the turf is not killed from grub feeding, the thinned and weakened turf may be prone to weeds and drought stress. Healthy turf with a few grubs may not need an insecticide.
Do you need grub control every year?
Grub control measures need to be taken on annual basis to work consistently. Skipping a year may be fine, but if any beetles have laid their eggs in your lawn’s soil over the course of that last year, you can be looking at a seriously damaged lawn by mid-fall.
When should grub be gone be applied?
There are commercial grub-control products for professional pest control operators, and some domestic products for homeowners. For all three grub species, apply a treatment just after the larvae have hatched, in mid- to late-August or in mid-September, when the turf is moist.
What is the best treatment for grubs?
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.
Can I apply grub killer in the spring?
Applying a preventative grub control product in the spring or early summer will provide much better grub control than waiting until after the damage has occurred. Use a spreader to apply Scotts® GrubEx®1. Be sure to follow application directions. To activate the product, water immediately after applying.
What is the most effective grub killer?
- BEST OVERALL: BioAdvanced Granules 700745S 24 Hour Grub Killer.
- BEST BANG FOR THE BUCK: Scotts GrubEX1.
- BEST PREVENTATIVE: St.
- BEST ECO-FRIENDLY: Bug Sales 50 Million Live Beneficial Nematodes.
- BEST READY-TO-SPRAY: Bayer Crop Science 700280B Complete Insect Killer.
- BEST FAST-ACTING: Ortho BugClear Lawn Insect Killer.
What is the best month to put down GrubEx?
It’s important to follow the instructions on the GrubEx packaging very closely because precision in both timing and application are essential. Early May, June and July is the best time to apply this product. Remember the beetles lay eggs in early summer. The small grubs hatch in the middle of the summer.
What happens if you don’t treat grubs?
Healthier grass can tolerate more grub feeding, and all grass can tolerate some grub feeding. A grub infestation will cause patches of thinning turf, and these patches will gradually increase in size. Often times grub damaged grass will pull out very easily at the roots.
Can I apply grub killer and fertilizer at the same time?
Timing Is Everything
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.
Can I put grass seed down after grub killer?
A: There’s nothing in grub-killers or grub-preventers that’ll hinder grass seed. So yes, you can do both at the same time.
How often can you put grub killer on your lawn?
In most cases though, you’ll only need to apply grub control twice in a season – the first one being a grub killer when you see signs of infestation and the second one being a grub preventer around June and July to stop their cycle.
When should you apply Scotts GrubEX?
Apply during spring or early summer to kill grubs as they develop. Using Scotts® GrubEx®1 Season Long Grub Killer annually can also help control Japanese beetle and Armyworm infestations. Easily apply with a Scotts® broadcast, drop, handheld, or Wizz® spreader and stop grubs before they damage your lawn.
Will grass grow back after grub damage?
If you have areas of dead turf, you’ll need to re-seed them. Some areas will need to be scraped clean, soil added, and seeded. However, some areas may just warrant slice-seeding to repair them. Either way, they aren’t coming back on their own.
Is it too late to treat for grubs?
Insecticide treatments after early October are not effective and are not recommended. If you do treat it may not be necessary to treat the entire lawn. Treat grub “hot spots” determined by observation or sampling.
What animal eats grubs at night?
Raccoons and skunks are two common grub-eating nocturnal culprits for digging in yards.
How do you tell if you have grubs in your lawn?
When your yard is under attack by grubs, grass will thin and turn brown. This leads to visible larger brown patch areas in your yard. It’s common to notice these odd-shaped brown patches in late summer or early fall. During this period, grubs amp up their eating, and the damaged and dead grass becomes more visible.
Does grub control need to be watered in?
A very important tip is to water the grub control in within a few days. You can wait for a good rain heading your way, and apply the grub control before the rain. That’s your only option if you have a lawn too big to water. The chemical in some grub controls will break down in hot, dry weather.
Can you apply too much GrubEX?
Applying too much can hurt the environment and using too little may not control the grubs in your lawn. Although Dylox claims it kills grubs within one to three days if applied properly, you may still notice grub activity within that time or shortly after.
What causes lawn grubs?
Lawn grubs hatch from eggs that have been laid by scarab beetles just under the surface of your lawn. Once they have hatched, they feast on lawn roots and turn into pupae and re-emerge as scarab beetles. These beetles then feed on other foliage and relay eggs under the lawn, restarting the cycle.
How do I get rid of grub worms in my lawn?
To get rid of grubs naturally using dish soap, mix dawn soap with water and spray it over the infested area. The dish soaps solutions smothers and suffocates grub worms and Japanese beetles, killing them in the process. This DIY solution can also kill adult beetles and prevent them from laying eggs in your lawn.