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Are Jumping Worms Hiding in Your Mulch?

Mulch could be one of the major ways that jumping worms are being spread. If you buy mulch in the spring, remember that you won’t know if it has jumping worms until later that summer as they develop from cocoons to adult worms. Consider covering your mulch pile with clear plastic to solarize and kill the worms and their cocoons at temperatures above 104 degrees for at least 3 days. Timothy McCay, a professor of Biology and Environmental Studies at Colgate University, recently spoke to the Hamilton Garden club about jumping worms. We are used to seeing earthworms from Europe. Jumping worms are from Asia and are causing problems because they rapidly eat their way through organic matter. In the forest, they...

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