Mushrooms School
The Pro Growery School

Learn to grow like a professional.

A sober, hands-on track for adults: growing rooms, sterile technique, substrates and climate control — from your first harvest at home to a working growery, and maybe a business.

Pro · grown-upsFree
Pro Growery Foundations

A practical grounding in cultivated mushroom production for adults: species and the production cycle, designing the growing room, substrate preparation, contamination and climate control, and the first steps from hobby to a small commercial operation.

Works with Grey Oyster Grow Kit
5 lessons · 1h 2m
Open course →
Pro · grown-upsFree
Choosing Your Species

Which mushroom should you grow first? Weigh the classic beginner crops against slower, premium, and niche species, and learn to match a mushroom to your space, substrate, skill, and market.

Works with Grey Oyster Grow Kit
4 lessons · 50m
Open course →
Pro · grown-upsFree
The Growing Room

Step inside the fruiting room and learn to build one that works. This course walks through zoning, shelving, airflow, and climate control so your mushrooms get exactly the environment they need to thrive.

Works with Grey Oyster Grow Kit
4 lessons · 53m
Open course →
Pro · grown-upsFree
Substrates & Sterile Technique

The heart of every successful grow is what your mushrooms eat and how clean you keep it. Learn to choose and prepare substrates, balance nutrition, and work clean so your chosen mushroom wins the race against contaminants.

Works with Grey Oyster Grow Kit
4 lessons · 52m
Open course →
Pro · grown-upsFree
Spawn, Inoculation & Colonisation

Master the heart of indoor growing: choosing the right spawn, dialling in your spawn ratio, transferring cleanly, and steering a substrate all the way to full colonisation before it ever thinks about fruiting.

Works with Grey Oyster Grow Kit
4 lessons · 50m
Open course →
Pro · grown-upsFree
Fruiting & Yield

The colonized block is only half the story. Learn how to trigger pinning, hold the right conditions through every stage, read biological efficiency, and time your harvest so each flush gives its best.

Works with Grey Oyster Grow Kit
4 lessons · 50m
Open course →
Pro · grown-upsFree
Reading Contamination

Learn to read the warning signs in your grow room. This course helps you spot green mould, cobweb, and bacterial blotch early, understand why they take hold, and make the tough call to protect the rest of your crop.

4 lessons · 52m
Open course →
Pro · grown-upsFree
From Hobby to Business

Turn a spare-room grow into a small farm that pays. Learn the numbers, the sales channels, and the food-safety basics that carry fresh mushrooms from your shelves to a customer's kitchen.

Works with Grey Oyster Grow Kit
4 lessons · 52m
Open course →
Pro · grown-upsFree
Harvest, Storage & Preserving

Turn a healthy flush into food that lasts. This pro course walks the whole post-harvest journey — clean picking, the cold chain, drying, and simple value-added products like powders — with food-safe fundamentals throughout.

Works with Grey Oyster Grow Kit
4 lessons · 50m
Open course →
Pro · grown-upsFree
Planning Your Production

Turn scattered grows into a steady, predictable harvest. Learn to schedule batches, stagger flushes, keep clean records, and match what you grow to what your buyers actually need.

Works with Grey Oyster Grow Kit
4 lessons · 51m
Open course →

Psychedelics research

Scientific evidence on psychedelic research: methods, findings, limitations and public health.

Explore the research

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