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Four Star Mushrooms Plans Open House at Chicago Indoor Farm
Visit October 17 or 18 for informative tours and treats
Chicago's Four Star Mushrooms has established itself as the artisan mushroom go-to for many of the city's fine-dining restaurants and reaches home cooks at several major grocery retailers.
And now this rising-star company has another distinction: It is one of more than 300 locations on Chicago Architecture Center’s 16th annual Open House Chicago, which takes place on October 17 and 18.
I had the pleasure in April of visiting Four Star Mushrooms — located at 320 N. Oakley Blvd. in the Near West Side neighborhood — for a tour and interview with co-founder and president Joe Weber. The focus, as reported in the story linked below, was how Four Star's mushroom-growing facility puts an indoor twist on the rising momentum behind regenerative agriculture.
Here are the details of the October 17-18 event from Four Star Mushroom's press release.
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Step Inside the Mushroom Farm Behind Chicago’s Best Restaurants
Four Star Mushrooms opens its indoor urban mushroom farm to the public, free,
for Open House Chicago, Oct. 17–18
CHICAGO — If you’ve eaten at one of Chicago’s top restaurants, there’s a good chance you’ve eaten Four Star mushrooms. This October, you can see exactly where they grow.
Four Star Mushrooms, the West Town urban farm supplying Michelin-starred kitchens across the city, is one of more than 300 sites on the Chicago Architecture Center’s 16th annual Open House Chicago. The free weekend lands just days after National Mushroom Day on October 15.
Four Star’s mushrooms have also made appearances across multiple seasons of the Chicago based hit series The Bear.
What’s inside:
17 indoor grow rooms, toured up close
The full journey of exotic mushrooms, from substrate to plate
Specialty mushroom pastries & drinks served on site
Fresh Four Star Mushrooms
Shirts, hoodies, and hats
“We have built a reputation with the most discerning chefs to produce premium quality, specialty mushrooms consistently, all year long” said Joe Weber, Co-Founder and President of Four Star Mushrooms. “Visit our urban production facility, taste what we’re growing, and learn how mushrooms have the potential to make our food system regenerative.”
EVENT DETAILS
WHAT Open House Chicago at Four Star Mushrooms
WHEN Saturday, Oct. 17 & Sunday, Oct. 18, 2026 | 10 a.m. – 3 p.m.
WHERE 320 N Oakley Blvd, Chicago (West Town)
COST Free
About Four Star Mushrooms
Founded in 2019, Four Star Mushrooms is an indoor controlled environment specialty mushroom farm in Chicago. It grows exotic mushrooms year-round for Michelin-starred restaurants, chefs across the city, and retailers including Jewel-Osco, Mariano’s, Fresh Thyme, and Agora Market.
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