Individually batch tested and always lab verified microbe rich compost and inoculants that ensure maximum vitality, potency, and yield.


We are microbe minded people. We care about building diversity in soil. Sourcing the highest quality of ingredients. Checking ourselves with microscope evaluations. Constantly innovating. We aim to create the highest quality biologically complete compost. Educating those around us empowering them to foster their own microbial communities.


We create compost which contains the complete soil food web inside. Our ingredients are obsessively sourced and our product routinely assessed to insure a quality product.

Pricing: $750 per yard for pick up

Delivery: 1-2 Yards $3 a mile, 3-6 Yards $6 a mile

Not Local to the area? We Ship! We have developed a process to safely ship our Bio-complete compost and Nematodes any where in the continental United States

Mail: 10 Pounds of compost $80* ; 40 Pounds of compost $200*

*Mail prices do not include Shipping

Soil-Born Beneficial Nematodes – $70 per order (covers 500-1000 sqft)

When you receive the nematodes you can expect to see diverse mix of bacterial feeders and fungal feeders when you look under the microscope. We extract our nematodes directly from compost and send them concentrated in a small amount of the same material. This ensures they stay alive during travel and are healthy enough to repopulate in your soil.

Consultation and Biological Soil Test

We supply the products and techniques to help you increase yields, improve quality and reduce cost while transitioning to biological management. Contact us about consultations and microbial assessments. Through microscopy we analyze the biology in your soil and assess your specific needs to allow your plants to express their full genetic potential.

We offer two types of soil biology analysis.

  • Qualitative Analysis $50 – We will use a microscope to scan soil sample for biology and asses which microbes are present and which are missing, along with information on how to improve and increase your beneficial soil microbiome.
  • Quantitative Analysis $125 – We will quantify specific biomass of individual groups of micro organisms, that we can then use as a road map on how to increase specific groups of microbes to bring your soil to desired levels depending on crops desired.


  • We do onsite or remote soil life consultation, we will asses soil heath and current farming practices and formulate a comprehensive plan on how to grow, maintain or revive your desired crops.


Catalyst Compost is currently operating out of Woolmans @ Sierra Friends Center in Nevada City California.

By Email –   catalystbioamendments@gmail.com

By Phone @

Casey Ernst (775) 220-7305

Keisha Wheeler (530)-559-6416

Gregory Munn (530) 913-5855

Zach Ellis (530) 802-6252

Find us on Instagram @catalyst_bioamendments