Grubs - Knowledgebase Question

Bartlett, Il
Question by ddavis222
April 22, 2010
I had a problem with Japanese Beetles devouring some trees & shrubs last fall. Yesterday I purchased Grub Ex from H-D. When should I apply it? I live in the Chicago area.

Answer from NGA
April 22, 2010


The grubs are deep in the soil right now and won't begin to move up towards the surface until the air and soil temperatures warm up. You can apply in mid-May and have excellent results. Best wishes with your eradication project!

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