As you kick off your summer camping and cabin season this Memorial Day weekend, don’t be the one who brings emerald ash borer, gypsy moth or other pests and diseases to new homes in Wisconsin.

“Buy it where you burn it,” says Brian Kuhn, Director of the Plant Industry Bureau in the Department of Agriculture, Trade and Consumer Protection. “State parks require that firewood be brought from no more than 10 miles away. National forests require it to be purchased within 25 miles. Many private campgrounds prohibit bringing in firewood at all. And if you live in a county that’s unde...