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All grow guides

180 guides, tested in real kitchens and grow rooms. Filter by level, species or problem.

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    12 guides ·

    1. 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
    2. Beginner · 8 min

      Your first grow kit, day by day

      What to expect from day 0 to your first flush.Kits · 6 photos
    3. Beginner · 6 min

      Misting & humidity basics

      Why 85–92 % RH matters and how to hit it in a flat.Environment
    4. Beginner · 9 min

      Oysters on straw pellets

      The cheapest bulk substrate that works first time.Substrates
    5. Beginner · 5 min

      When to harvest oysters (with photos)

      The cap-edge rule and why waiting costs you.Harvest
    6. Beginner · 7 min

      Green mould on your kit: what to do

      Trichoderma, contamination and when to bin it.Problems
    7. Beginner · 6 min

      Lion's mane from a kit: your first flush

      Where to cut, how much light, and when it's ready.Kits
    8. Intermediate · 14 min

      Lion's mane on supplemented sawdust

      Masters' mix ratios and a bag you can pasteurise at home.Substrates
    9. Intermediate · 16 min

      Shiitake on outdoor logs

      Oak logs, plug spawn and a two-year wait that pays off.Substrates
    10. Intermediate · 18 min

      Build a monotub

      Holes, liners and fresh-air exchange without the guesswork.Substrates
    11. Advanced · 20 min

      Agar work in a still-air box

      Clean technique that gets you under 10 % contamination.Lab & sterile
    12. Advanced · 15 min

      Grain spawn from scratch

      Soak, simmer, sterilise — the pressure-cooker method.Lab & sterile