PTG logo with truffles and juvenile oak tree

Pacific Truffle Growers, LLC
A Professional Truffle Orchard Management Company

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Who We Are

We are focused on providing  orchard management services with the highest levels of customer satisfaction – we will do everything we can to meet your expectations.

With a variety of products and services to choose from, we are sure you will be happy working with us. Look around our website and if you have any comments or questions, please feel free to contact us. We hope to see you again! Check back later for new updates to our website. 

There is much more to come!

Stephanie S. Jarvis, M.Sc - Chief Scientist, Mycologist & certified Arborist 

In addition to being the chief scientist, Stephanie Jarvis is the owner of Napa Valley Fungi, a certified & licensed arborist company conducting research on roots and soils for beneficial fungi (mycorrhizae). As a certified Arborist and a certified Tree Risk Assessor through the International Society of Arboriculture (ISA), Stephanie teaches accredited seminars on fungal identification and ecology for better diagnostics of tree health.

She earned her Bachelor of Science degree with the highest honors in Plant Physiology from Sonoma State University studying Mycology and Sudden Oak Death (Phytophthora ramorum - a fungal plant pathogen).  Stephanie completed her Master of Science Degree in Ecology, Evolution and Conservation Biology with a focus in Mycology at San Francisco State University studying the ecology, taxonomy and genetics of truffle-like fungi in the Basidiomycete phylum. She completed an internship with Dr. John Holiday at the medicinal fungi company Aloha Medicinals and she has attended Mycology seminars at Fungi Perfecti with Paul Stamets. For more information on her research:

For inquiries and questions, please contact her at:

Eric Sam Woods - Operations Manager & Licensed General Contractor

Sam has spent most of his professional career running a full-service real estate management company that he founded in Montana. Now he is out to do something completely different, Truffle Cultivation! Sam brings 15 years experience with long-term service contracts, property management, general contracting, maintenance, and general office management experience to this consulting group. Additionally he has an intense love of goldfish crackers and listens to nothing but ABBA when driving.             

                                                                                   Sam is also an excellent gopher killer.

For questions and inquiries, contact Sam at:

Jacob, the Minion

Fletcher - Minion and Gopher Hunter Extraordinaire