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Colorado Confirms Asian Jumping Worm Infestation in Denver Hilltop

4/24/2026

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Summary

Story summary

The Colorado Department of Agriculture confirmed the presence of Asian jumping worms in Denver’s Hilltop neighborhood.
Asian jumping worms reproduce without mating, allowing infestations to expand quickly.
Officials warned that no effective eradication methods exist and urged gardeners, nurseries, and landscapers to report sightings.
They advised avoiding soil or plant movement and using mulch heated to 130 °F for three days to kill cocoons.

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Story summary

The Colorado Department of Agriculture confirmed the presence of Asian jumping worms in Denver’s Hilltop neighborhood.
Asian jumping worms reproduce without mating, allowing infestations to expand quickly.
Officials warned that no effective eradication methods exist and urged gardeners, nurseries, and landscapers to report sightings.
They advised avoiding soil or plant movement and using mulch heated to 130 °F for three days to kill cocoons.