grubs - Knowledgebase Question

largo, Fl
Avatar for chelioo2
Question by chelioo2
April 11, 2010
If you dont get rid of grubs now do they do damage your lawn?

Answer from NGA
April 11, 2010
Grubs feed on grass roots until the grass dries out and dies. Grubs feed near the soil surface from July through October but go deep into the soil the other months of the year so they are not readily affected by the chemicals. Turf should be scouted for grubs in early July. Peel back the grass and count the number of grubs hanging on to the roots or at the soil surface. Just a couple grubs per square foot are not a problem to an otherwise healthy lawn. Ten or more per square foot are necessary to justify treatment. You can use a product such as Bayer Advanced Season Long Grub control or Grubex. You will need to reapply annually until you get control of the population. Best wishes with your lawn.

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