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Andie is passionate about sharing soil health principles and the wonder of microbes with others. This is where you can find her next! 

Interested in a collaboration? 

Fill out this form to tell us about your event or project and we'll be in touch!

September 30, 2023 | Healthy Soils, Healthy Trees: Cultivating Biodiversity and Climate Resilience with Mushrooms

  • When: September 30th, 6 - 8pm

  • Where: Patagonia, 316 Congress Ave., Austin, TX 78701

  • Register Here


Join the Central Texas Mycological Society for a conversation about the role fungi can play to address land conservation and regeneration, and cultivate resilience to climate change and other challenges in Central Texas.


Andie Marsh, Owner of Rhizos LLC

Dr. Colin Averill, Founder and CEO of Funga,

Cristina Campbell, Biologist at City of Austin working on the City’s first ever mycorrhizal fungi study!

Austin Nerd Nite
September 28, 2023 8pm
Barrel O' Fun in Mueller Neighborhood

The Hidden World of Compost

Andie is a Soil Health Specialist, Certified Lab-Technician, and business owner of Rhizos LLC on a mission to help others restore life and functionality to their soil systems. It’s sexier than it sounds and she’s here to prove it!

Places we've been...

May 8, 2023 - Austin Organic Gardeners (AOG)

Creating Fungal Rich Compost

Join Soil Health Practitioner and Soil Food Web certified lab technician, Andie Marsh to learn about living soil. We will cover the following high-level principals of biocomplete and fungal-rich compost. 

  • What is a fungi:bacteria ratio and why does it matter to plant health?

  • Why are soils often deficient in fungi?

  • Why are many composts/amendments bacteria dominant

  • How can we improve the fungal biomass of composts/amendments we make for our gardens?

Webinar Replay

June 15, 2023 - Field Day - Pecan Orchard

Soil Health and Agri-System Resilience

This is an NRCS funded on-farm workshop hosted by Small Producers Initiative (SPI) at Swift River Pecans. Andie will be presenting on the basics of plant-microbe interactions and share insights from microscope assessments of the pecan orchard's soils and compost amendments (Johnson-Su Bioreactors).


There will be other presenters as well! Visit the link for more info.

Details & Registration

June 24, 2023 - Soil Microscope Workshop

Farmer Social & Soil Lab

This is a come-and-go event open to the public, hosted by Central Texas Young Farmers Coalition (CTYF). Bring a sample of your soil or compost and we will look at it together under the microscope! Sampling guides and location details can be found at the registration link.

July 31, 2023 - Webinar: Your Future in Soil Regeneration and Ecological Restoration

Hosted by Dr. Elaine's™ Soil Food Web School

Webinar Replay

August 6, 2023 - Southern Family Farmers and Food Systems Conference

Microscopic Insights in Soil Regeneration

Explore the hidden world beneath our feet and discover the microbiome’s role in restoring function and fertility to soils. In this session, you will learn practical strategies for stewarding beneficial microbial communities.

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