42 Farms Listed
Mushroom Farms in Ontario
Ontario produces over 50% of Canada's mushrooms and is the heart of the country's mushroom industry. From the large commercial operations in the Niagara and Hamilton regions to boutique gourmet growers across the province, Ontario has the highest concentration of mushroom farms in the country. The province is also home to Mushrooms Canada, the national industry association.
Sunshine Farms
43067 St Michaels Rd, Brussels
Mikee's Gourmet Mushies
21851 ON-12, Sunderland
Heartwood Mushrooms Ltd
25 Cockburn St W, Little Current
Saiko Mushrooms Inc.
174 West Beaver Creek Rd, Richmond Hill
Curious Cap Mushroom Farm
Bradford, ON
Bill's Mushroom Farm
167 First Rd E, Stoney Creek
Grain Spawn
Need Mushroom Spawn?
12 species on organic millet. Singles and cases available for farms of any size.
Positive Produce
Woodstock, ON
Fairhaven Farm
Flesherton, ON N0C 1E0
Rock Hill Farm
Massey, ON
Frontier Mushrooms
392186 Grey County Rd 109, Holstein
Canadian Mushroom Growers Association / Mushrooms Canada
60 Elora St S, Harriston
Carleton Mushroom Farms Limited
6280 Dalmeny Rd, Osgoode
Liquid Cultures
Lab-Isolated Liquid Cultures
3cc syringes and 200ml commercial jars. Inoculate grain, agar, or substrate directly.
Holburne Mushroom Farm
1337 Holborn Rd, Queensville
Ontario Mushroom Farm
9760 Heron Rd, Ashburn
White Pine Meadows - Farm Shop and Mushroomery
400 Line 9 N, Hawkestone
Unionville Mushrooms Farm
5395 19th Ave, Markham
Brantford Mushroom Farm
1744 Colborne St E, Brantford
Noki Farms
55 Wyndham St N Unit T6B, Guelph
Grow Bags
Autoclavable Grow Bags
Filter-patch polypropylene bags in 3 sizes. Built for spawn production and fruiting blocks.
Sharon Mushroom Farm
20744 Kennedy Rd, Sharon
Ravine Mushroom Farm Limited
131 Marycroft Ave Unit #1 - 3, Woodbridge
LINCOLN Mushroom Farm (1975) Inc.
482 Highland Rd E, Stoney Creek
Monaghan Mushrooms Ltd
7345 Guelph Line, Campbellville
Nebo Mushrooms Farm
5506 Chippewa Rd E, Mount Hope
Mushroom Producers' Co-operative Inc.
148 Middle Townline Rd, Harley
Substrate & Grain
Ready-to-Use Substrate
Pre-sterilized hardwood blocks, pellet blends, and organic millet grain. Just inoculate.
Enviro Mushroom Farm Inc.
5200 Britannia Rd, Burlington
Peeters Mushrooms Farm
8267 Middle Line, Charing Cross
Piccioni Bros Mushroom Farm
355 Rock Chapel Rd, Dundas
W&T Mushroom LTD
4949 6 Line, Guelph/Eramosa
![Windmill Farms 1 [Greenwood Mushroom Farm]](/_next/image?url=%2Fimages%2Ffarms%2Fwindmill-farms-1-greenwood-mushroom-farm.webp&w=1920&q=75&dpl=dpl_rzGXNyVJkVDgJuMPjzDAjfCdhL1d)
Windmill Farms 1 [Greenwood Mushroom Farm]
1161 Scugog Line 6, Port Perry
Weth Mushrooms Inc.
35809 Union Rd RR2, Goderich
Commercial
Scaling Up?
Case pricing on spawn, 200ml culture jars, and bulk substrate for commercial operations.
Peeters Mushrooms Inc
19002 Communication Rd, Blenheim
The Funghi Guy Gourmet Mushrooms
2021 Four Mile Creek Rd, Niagara-on-the-Lake
Fresh Niagara Mushrooms
35 Dacotah St, St. Catharines
The Mushroom Tree
6728 Line 86, Elmira
Small World Mycology
499 Pall Mall St, London
FUNGICOPIA
2207 Industrial Park Rd, Innisfil
Agar Plates
Pre-Poured Agar Plates
8 media types, 20+ colonized cultures. Clone, isolate, and store genetics.
Muskoka Mudita - Mushroom Tea Co.
277 Albert St N, Sundridge
Silver Lake Mushrooms
24 Jutland Rd Unit D, Etobicoke
Simcoe Mushroom Farm
2207 Norfolk County Hwy 24, Simcoe
Lion's Mane Mushrooms
83 Huron St Unit #2, Sault Ste. Marie
Mount Forest Mushrooms
471681 Southgate Sideroad 47, Mount Forest
Champion Mushrooms
344 Read Rd, St. Catharines
Mushroom Farming in Ontario
Ontario produces over 50% of Canada's mushrooms and is the heart of the country's mushroom industry. From the large commercial operations in the Niagara and Hamilton regions to boutique gourmet growers across the province, Ontario has the highest concentration of mushroom farms in the country. The province is also home to Mushrooms Canada, the national industry association.
This directory is maintained by Andrew Langevin, founder of Nature Lion Inc and contributing author in Mushroomology (Brill, 2026). If your farm is missing, submit it for a free listing.
Growing Mushrooms in Ontario?
We supply grain spawn, liquid cultures, substrate, and grow kits to farms and home growers across Canada.