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Jumping Worm Control: Invasive Species Biosecurity

Invasive jumping worms spread mainly through moved soil, mulch, compost and potted plants, so containment is a biosecurity problem as much as a garden one. Jumping Worm Control is a Vegalab soil treatment for invasive Amynthas and Metaphire earthworms, sold through distributors to professional applicators, nurseries and landscapers.

Why jumping worms are a biosecurity issue

Asian jumping worms (Amynthas agrestis, A. tokioensis and Metaphire hilgendorfi) consume the organic layer of forest and garden soils, leaving a granular, coffee-ground texture that drains nutrients and destabilizes plant roots. They are parthenogenetic, so a single cocoon can found a population, and cocoons overwinter in soil and mulch. Several US states regulate their movement or list them as prohibited invasive species. The pathway is human: nursery stock, bulk mulch, compost, fill and equipment.

Where the product fits

Jumping Worm Control is applied to soil and organic material to reduce jumping worm populations at the source: nursery beds, holding yards, compost and mulch piles, and infested landscape sites. Independent university testing has evaluated its effect on jumping worms; the data are not yet peer-reviewed. State registration is being sequenced, and sale is limited to states where the product is accepted. Follow the label for sites and rates. Applicators receive training on timing.

Containment beyond treatment

Treatment works alongside movement controls: inspect incoming plants and bulk materials, heat-treat compost and mulch where possible, clean soil from equipment between sites, and do not move soil out of infested areas. Our vehicle and equipment protocol applies to landscape crews as well as livestock operations. Nurseries can add a written inspection step for incoming stock and a heat-treatment log for bulk materials, which supports both customer confidence and any state compliance review. Treatment without movement controls only delays reinfestation.

Key facts

Jumping worms are parthenogenetic and complete a one-year life cycle, with cocoons overwintering in soil (Wisconsin Department of Natural Resources, Jumping Worms)
Jumping worm cocoons are killed by holding soil or compost at 104 F (40 C) for at least three days, the basis of heat treatment for mulch and compost (University of Wisconsin-Madison Arboretum, Jumping Worm research)
Wisconsin classifies jumping worms as a restricted invasive species, limiting their transport and introduction (Wis. Admin. Code NR 40)

How our delivery technology applies

Jumping worms live in the upper organic layer and mulch, where a water-soluble active is diluted by rain and bound by organic matter. Encapsulation can hold the active in that surface layer longer and release it as moisture moves through, matching the zone and timing where worms feed and cocoons hatch.