How to Get Rid of Grubs in Your Lawn: Complete Treatment Guide

Grubs can destroy your lawn by feeding on grass roots. Learn how to identify, treat, and prevent grub infestations with our comprehensive guide.

2-3 hours
intermediate
summer-fall

Tools You'll Need

  • Garden trowel
  • Sprayer
  • Spreader
  • Garden hose
  • Flashlight

Materials

  • Grub control product
  • Beneficial nematodes
  • Milky spore powder
  • Water
  • Protective gloves

Step-by-Step Instructions

1

Identify Grub Damage

Look for brown patches that don't respond to watering, spongy turf, and increased animal activity like skunks or birds digging.

Pro Tips

  • Check for spongy turf feel
  • Look for animal digging
  • Test by pulling on grass
2

Confirm Grub Presence

Dig up a 1-square-foot section of turf to check for grubs. More than 5-10 grubs per square foot indicates a problem.

Pro Tips

  • Dig in several areas
  • Count grubs per square foot
  • Identify grub species if possible
3

Choose Treatment Method

Select appropriate treatment based on grub species and timing. Use preventive products in spring, curative products in summer.

Pro Tips

  • Use preventive products in spring
  • Use curative products in summer
  • Consider organic options
4

Apply Treatment

Apply grub control product according to label instructions. Water thoroughly after application to activate the product.

Pro Tips

  • Follow label instructions exactly
  • Water thoroughly after application
  • Apply when grubs are active
5

Monitor and Prevent

Monitor treated areas and implement preventive measures for future seasons. Consider beneficial nematodes for long-term control.

Pro Tips

  • Monitor treated areas
  • Apply preventive treatments
  • Consider beneficial nematodes

Frequently Asked Questions

When is the best time to treat for grubs?

Treat for grubs in late summer to early fall when they're small and actively feeding near the surface. Spring treatments are less effective.

How do I know if I have grubs in my lawn?

Look for brown patches that don't respond to watering, spongy turf, and increased animal activity like skunks or birds digging in your lawn.

Are grubs harmful to my lawn?

Yes, grubs feed on grass roots, causing brown patches and making turf easy to pull up. Severe infestations can kill large areas of lawn.

Can I prevent grubs naturally?

Yes, beneficial nematodes and milky spore powder are natural treatments. Maintaining healthy soil and proper lawn care also helps prevent infestations.

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