Does Grubex Expire
However, You Must Water Your Lawn Thoroughly to a Depth of 1 Inch After Applying Grubex to Activate the Chemical Pesticide. Grubex Is Effective for Four Months...
However, you must water your lawn thoroughly to a depth of 1 inch after applying GrubEx to activate the chemical pesticide. GrubEx is effective for four months after application. After your lawn is dry, it’s safe for people and pets.
Can you use GrubEx twice a year?
Grub killers may be applied up to three times per year, depending on the pesticide and the manufacturer’s instructions.
How often should you apply GrubEx?
Treating with GrubEx The Scotts Company recommends treating each 1,000 square feet of lawn with 2.87 pounds of GrubEx once yearly. Using a drop or rotary spreader helps broadcast the granular pesticide evenly. After application, water your lawn to a depth of 1/2 inch, which is typically a 20- to 30-minute watering.