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Lysander from Fontana California writes,

How often can you apply this product

I have a really bad infestation and might need extensive treatment. I want to order this product before labor day. How often can I apply Merit Granules so the next time I resod my lawn I will not have this problem. Also should I combine it with another product.


Applying Merit Granules before egg hatch is key. For most white grubs this means applying pesticides while newly hatched grubs are feeding – in mid- to late summer and early fall. The label only states applications cannot exceed a total of 80 lb (0.4 lb of active ingredient) per acre per year. Waiting 3 months between applications is standard. Please follow the labels instructions for watering the Merit Granules in and dethatching the lawn if necessary as this will improve your resulths greatly. We also recommend contacting your local extension office for advise on treatment intervals in your specific area. 

Answer last updated on: 07/29/2014

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