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Elm Dirt Certified organic

Premium Organic Worm Castings - Nature's Perfect Plant Fertilizer

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Premium Organic Worm Castings - Pure Vermicompost Fertilizer

Pure Red Wiggler worm castings—the organic fertilizer that actually works the way nature intended. Complete nutrition, billions of beneficial microbes, and gentle slow-release feeding that makes plants thrive without the risk of burning. Class A compost certified because quality matters.

Complete Plant Nutrition

Everything your plants need in forms they can use immediately. No waiting, no processing—just available nutrients that plants recognize and absorb.

Living Soil Biology

Billions of beneficial microbes that colonize your soil, protect plants from disease, and keep breaking down organic matter long after you apply them.

Won't Burn Plants

Safe enough for seedlings, gentle enough you can't overapply. The slow-release organic nutrition feeds plants for months without the harsh salts that damage roots.

Certified Quality

Class A compost certification with third-party testing. That means pathogen-free, heavy metal tested, and consistently high quality batch after batch.

What Makes These Worm Castings Different:

  • Class A certified - Third-party verified, not just our word
  • Pure Red Wiggler castings - No fillers, no mystery ingredients
  • Slow-release feeding - Nutrients available for 3-6 months
  • Thriving microbiome - Living biology that rebuilds soil health
  • Works for everything - Vegetables, flowers, houseplants, lawns, trees

How to Use:

Mix into Soil Blend 10-20% with potting mix or garden soil for rich, living medium that feeds plants all season
Side Dress Plants Spread around established plants and work into the top inch—instant nutrition boost
Brew Worm Tea Steep in water for liquid fertilizer that delivers nutrients and microbes fast
Reapply Regularly Top dress every 4-6 weeks during growing season to maintain soil fertility

Garden the Way Nature Intended

Premium vermicompost in resealable eco-friendly bags

Available in 2 lb and 10 lb sizes

Real results without synthetic chemicals

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Ingredients

Class A Compost Certification
Not all worm castings are created equal. Ours are Class A compost certified with third-party verification. Here's what that means:

Pathogen-Free: Class A certification requires testing to ensure harmful bacteria and pathogens are eliminated. Safe for use on all food crops with no wait time before harvest.
Heavy Metal Testing: Verified to be below EPA limits for heavy metals. No contamination from industrial waste or questionable feedstocks.
Quality Standards: Meets strict requirements for nutrient content, moisture levels, and particle size. Consistent quality batch to batch.
Third-Party Verified: Independent testing confirms our castings meet all standards. Not just our word—verified by accredited labs.

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