About Us

Based in Phoenix, Arizona, Canyonland Worms is a division of Waterdog Mary, LLC.  My mission is to provide customers with a high-quality product that not only helps them grow healthier, better quality produce, but also benefits the environment.

I have always loved fishing.  Back in 2005, I walked into a local bait store to buy some waterdogs to take with me to Lake Powell.  They cost $22 for a dozen, and my business wheels started turning.  I believed I could breed tiger salamanders and harvest my own waterdogs to sell.  Over the course of a year, I saw that successfully developing this type of eco-system would be daunting, at best.  However, I had roughly three dozen mature tiger salamanders that needed to be fed.  After doing some research, I decided to raise worms for feed.  The more I learned, the more I came to believe that worms and their bi-products are one of the best answers for safe, organic gardening.  Long story short, I gave the salamanders to a guy in Yarnell, AZ and I have been a worm farmer ever since.

I believe that it is our responsibility to make the most of what nature provides, and have found worm castings to be one of the best sources of all-natural fertilizer in the world.  Not only do I make every effort to give back to the Earth, I have a lot of fun doing it.  My operation is simple, and it brings me great joy to spend my days and evenings working with the worms and my family to bring you this high-quality product.

Thank you for choosing Canyonland Worms. Together we can be healthier, happier and sustain our Earth for years to come.

Mailing address
Canyonland Worms
Attn: Robert Fenchak
PO Box 74583
Phoenix AZ 85087-4583

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Due to high temperatures, we are only able to ship worms October through April. Summer worm orders may be picked up upon request.

Worm Castings

Worm Castings
  • 2 lb bag
    $6.00 (pick up only)

  • 5 lb bag
    $12.00 (pick up only)

  • 10 lb bag
    $20.00 (pick up only)

  • 20 lb bag
    $30.00 (pick up only)

  • 40 lb bag
    $50.00 (pick up only)


  • 1 lb bag
    $40.00 + (pick up only)

Worm Grotto™

  • $749.00 + tax

Contact Us

Robert Fenchak
[email protected]