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How to find a yellow jacket nest
Start your search after 10 am.
Yellow jackets are most active between 10 am and 4 pm. It's therefore easiest to find them flying the paths between their food sources and nests at this time.
If it's very hot or very cold, keep in mind that this timeframe might be shortened, as yellow jackets tend to be less active during extreme temperatures. Search for holes in the ground of your property.