All grow guides
180 guides, tested in real kitchens and grow rooms. Filter by level, species or problem.
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Our photo Start here · Beginner · 12 min
How to grow oyster mushrooms at home: the complete UK guide
From coffee grounds to your first 300 g harvest in three weeks. The Psilobase team · Updated 20 Sep 2026 -
Beginner · 8 min
Your first grow kit, day by day
What to expect from day 0 to your first flush.Kits · 6 photos -
Beginner · 6 min
Misting & humidity basics
Why 85–92 % RH matters and how to hit it in a flat.Environment -
Beginner · 9 min
Oysters on straw pellets
The cheapest bulk substrate that works first time.Substrates -
Beginner · 5 min
When to harvest oysters (with photos)
The cap-edge rule and why waiting costs you.Harvest -
Beginner · 7 min
Green mould on your kit: what to do
Trichoderma, contamination and when to bin it.Problems -
Beginner · 6 min
Lion's mane from a kit: your first flush
Where to cut, how much light, and when it's ready.Kits -
Intermediate · 14 min
Lion's mane on supplemented sawdust
Masters' mix ratios and a bag you can pasteurise at home.Substrates -
Intermediate · 16 min
Shiitake on outdoor logs
Oak logs, plug spawn and a two-year wait that pays off.Substrates -
Intermediate · 18 min
Build a monotub
Holes, liners and fresh-air exchange without the guesswork.Substrates -
Advanced · 20 min
Agar work in a still-air box
Clean technique that gets you under 10 % contamination.Lab & sterile -
Advanced · 15 min
Grain spawn from scratch
Soak, simmer, sterilise — the pressure-cooker method.Lab & sterile
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