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.

Oak Ridge - Jackson Square Every Saturday, 8am-12pm

Maryville - Founders’ Square Beginning April 19th, 8:30am-11:30am

Knoxville - Market Square Beginning May 3rd, 9am-1pm
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!