Close-up of blue oyster mushrooms, showing layered, wavy caps and white gills.
Close-up of a cluster of enoki mushrooms with long white stems and small orange caps.
Close-up of brown mushrooms clustered together, showing round caps and short stems.

EXTRATERRESTRIAL FUNGI

Cluster of blue oyster mushrooms closely packed together

Extraterrestrial Fungi is a family-owned mushroom farm located in Powell, TN. We grow a large variety of specialty mushrooms - which you can find at farmers’ markets, grocery stores, and local restaurants year round. We also offer a full line of functional mushroom supplements and jerky made using mushrooms grown in house.

Featured Products

Brown glass dropper bottle labeled "Extraterrestrial Tinctures Lion's Mane, 2 fl oz (60 ml)" with UFO design.

Lion’s Mane Tincture

$38

Reishi Tincture

$38

Black jar labeled 'Extraterrestrial Fungi Lion's Mane Extract Capsules, 60 Capsules' with UFO graphic on blue background.

Lion’s Mane Capsules

$38

Cordyceps Tincture

$38

Extraterrestrial Loot

$7.77

Turkey Tail Tincture

$38

Find Us

A person stands at a mushroom market stall, holding a large mushroom. Various mushrooms are displayed in green baskets on the table, labeled with names and prices, such as Black Pearl King, Lion's Mane, Black Poplar, Chestnut, and Chef's Mix. A board lists items like 'High Pressure Extraction.' The market is outdoors, with a visible street and parked vehicles.
Risotto dish with mushrooms and chives

EAT LOCAL

Extraterrestrial Fungi provides mushrooms to over 25 restaurants in the greater Knoxville area. If you are looking for a place to eat tonight, check out our restaurants page for a full list.

If you are a chef who is looking for the highest quality mushrooms available, we would love to meet you! Give us a call, or fill out our contact form to try a free sample box.

Person holding fresh oyster mushrooms in hands, wearing a Three Rivers Market the co-op apron.

SHOP LOCAL

Can’t make it to the market? No Problem! You can find our mushrooms at Three Rivers Market as well as Butler & Bailey Market. In order to provide the freshest possible mushrooms we deliver multiple times per week.

Where does fungi come from?

Close-up view of white fungal mycelium growing on a brown substrate
Close-up of a small brown mushroom growing among green moss on a log in a forest setting.

Contact Us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!