Worm Castings & Medias

Worm Power Granular Worm Castings

Worm Power Liquid and Granular Worm Castings

Worm Power is an OMRI-listed organic fertilizer and bio-stimulant derived from earthworm castings in a controlled environment setting and manually heated to ensure no weeds seeds or pathogens!
Available as a stabilized granular form.

Worm Power Granular Worm Castings are Vermicompost (Worm Castings and Worm Worked Materials) that have passed through a worm, and through which a worm has passed. Having thus been processed by worms, it is inoculated with a beneficial microbial community that is essential to establishing and maintaining healthy soils.

Worm Power Liquid and Granular Worm Castings

Worm Power Benefits

  • Worm Power Vermi CompostImproves seed germination.
  • Reduces transplant shock.
  • Improves stress tolerance.
  • Shows improved plant growth.
  • Odorless.
  • Watershed safe.
  • Easy to apply.
  • Weed seed and pathogen free.
  • Enhances "flavor profile".
  • Safe for use around children and pets.
  • University tested (Cornell, Penn State, Cal-Poly).
  • OMRI listed for use in Certified Organic Production.
  • Reduces need for synthetic fertilizers and fungicides.

Worm Power Liquid and Granular Worm Castings

How Is Worm Power Worm Different From Other Vermicomposts or Worm Castings?

Worm Power products are the result of recognizing that nature already has devised a means of soil enhancement that far exceeds the solutions offered by conventional methods. We have harnessed the power of tens of millions of earthworms, placed them in ideal, environmentally controlled conditions, and produced the finest quality bio-stimulant available. Worm Power is the largest process-controlled producer of worm-worked materials and castings (vermicompost) in the Western Hemisphere. We are committed to delivering the highest quality vermicompost available anywhere to growers, golf course superintendent and landscapers. Our science-based, research-supported process produces an environmentally safe organic bio-stimulant that improves the physical structure, chemical composition, and biological activity of soils and soilless medias.
Worm Power is OMRI listed for use by certified organic producers and turf professionals.

Worm Power untreated vs treated Lawn

The Worm Power Process

Worm Power is derived from only a single source of compost for the vermicomposting process, helping to ensure an end product that is consistent, uniform, and repeatable.

Thermophilic Composting & Monitoring: The raw materials are composted indoors within controlled, engineered, aerated static piles. This high temperature thermophilic composting step is completed prior to all vermicomposting. Compost batches are monitored daily to ensure that temperatures are maintained between 131-170°F for a minimum of three consecutive days, and that adequate aerobic and moisture conditions are met.
Vermicomposting Method: Engineered flow-through digesters are a critical component of the Worm Power vermicomposting process. These digesters, which host millions of earthworms, are located in environmentally controlled, enclosed buildings that actively maintain a regulated living environment for a healthy worm population.
Screening & Packaging: Finished vermicompost and worm casting products are screened to a variety of uniform particle sizes for ease of handling and consistent performance. Worm Power is screened, packaged, and stored indoors. Worm Power uses independent labs, including those at Cornell and Penn State Universities, for lab testing of feedstock, feedstock components, and the finished Worm Power vermicompost.

Backed By University Research

Worm Power Vermi CompostHops GrowersCornell University has been studying the properties and efficacy of Worm Power for more than six years. Findings from these studies include evidence that the use of Worm Power enhances plant growth. Experiments evaluating multiple organic media components in greenhouse seedling production have demonstrated that mixes containing Worm Power vermicompost produce the strongest, most vigorous plants. Additionally, researchers note that vermicompost can successfully be used as a sole nutrient source for vegetable and flower plug production.




• Double wonder of worms: Clean compost and animal feed from waste.

Worm Power Application Instructions

Established Turf: Apply 20 lbs per 1000 sq. feet twice per year (early spring and late fall). For best results, apply using a drop spreader.
Pre-Planting: Work 30 lbs per 1000 sq. ft. into top 6” of soil.
Established Planting: Top-dress planted area with 1/8” to the drip line of the plant canopy (Heavy feeders: every two weeks; Light feeders and Ornamentals: every 4 weeks).

Available Sizes


  • 3 lb. Bag (Covers 333 sq. ft. as a top dressing).
  • 15 lb. Bag. (Covers 1,665 sq. ft. as a top dressing).
  • 40 lb. Bag. (Covers 4,000 sq. ft. as a top dressing).
  • 1 Cubic Yard Sack (900 lbs).
  • 2 Cubic Yard Sack (1,800 lbs).


100% Vermicompost (Worm Castings and Worm Worked Materials).


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