A look at how earthworms and now Asian jumping worms are moving across Pennsylvania. Here's why they can be good or bad for the environment.

Jumping worms are harmful to our garden and the environment. They originated in Asia. They can be spread by the sharing of plants with eggs in the soil by home gardeners and commercial nurseries. They ...

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Many of Pennsylvania’s earthworms have roots back to other countries and one jumping species is causing a growing concern for forests. “During the last Ice Age, the glaciers came down and covered all ...

Most earthworms in Pennsylvania are not native and were introduced from Europe, often via soil used as ballast in early ships. While beneficial for gardens and lawns, these introduced earthworms can ...