Organic
King Oyster
Pleurotus eryngii
Thick, meaty stems with a scallop-like umami — sears and grills beautifully. Our flagship.
Sunderland, Ontario · Est. 2024
Precision-grown gourmet mushrooms.
Restaurant-grade specialty mushrooms, cultivated with precision substrate science on our farm in Ontario's countryside.
5Gourmet varieties
20,000 ft²Ontario facility
SQFFood-safety aligned
OrganicCanada Organic Regime
What we grow
Five gourmet varieties
Each strain grown on a substrate tuned to its species — for texture, colour and flavour a chef can build a plate around.
Organic
Organic
Grey Oyster
Pleurotus ostreatus
Tender, velvety fans; quick to sauté.
Organic
Honey Beech
Hypsizygus tessellatus
Nutty, crunchy clusters; stir-fry & hot pot.
Organic
Maitake
Grifola frondosa
Rich, earthy feathers that roast crisp — a chef favourite.
Organic
Shiitake
Lentinula edodes
Deep, savoury umami; superb fresh or simmered for broth.
How we grow
Grown with precision, not luck
Specialty mushrooms are unforgiving. We treat cultivation as a controlled process — measured substrate chemistry, sterile technique and climate control from inoculation to harvest.
01
Substrate science
Carbon and supplement blends mixed to a precise C:N ratio, tuned per species.
02
Sterile cultivation
Autoclave sterilisation and clean-room inoculation — no pesticides, low contamination.
03
Climate-controlled fruiting
Temperature, humidity and CO₂ are continuously monitored and held in range so every flush forms true to type.
04
Harvested at peak
Picked at peak maturity, graded on the line and packed for wholesale partners.
Why Windyview
The Windyview difference
Science-driven
Precision C:N formulas mean consistent batches and maximised flushes.
Certified organic
Our King Oyster, Grey Oyster, Honey Beech & Maitake are certified under the Canada Organic Regime (CSI cert #4367-FAR-26); our Shiitake comes from a certified-organic grower.
Local Ontario farm
Proudly Canadian, in Sunderland — supporting regional food security.
Food-safety focus
Operating to SQF-aligned food-safety practice across the facility.
The farm
A purpose-built Ontario facility
Windyview Mushroom Inc runs a ~20,000 ft² facility built for specialty cultivation end to end.
- Certified organic — Canada Organic Regime (CSI cert #4367-FAR-26)
- Dedicated growing rooms, processing, cold storage & packaging
- Grow rooms monitored around the clock by on-site cameras and climate sensors
- Small, dedicated production team
- Pursuing SQF Food Safety certification
- Sunderland, Ontario — serving the GTA and beyond
Work with us
Wholesale & partner enquiries
We supply restaurants, grocers and distributors across Ontario. Reach out for varieties, pricing and partnership.