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Step 1 · 2–3 weeks

Your first grow kit

Start here if you've never grown anything. Two weeks, no equipment, and it answers the only question that matters at this stage: do you enjoy this?

Buy a kit. Fruit it. Eat it. That is the whole of step one, and it is worth doing before spending money on anything else.

A kit skips every difficult part of cultivation — sterile technique, substrate prep, spawn production — and leaves you with the part that is actually enjoyable. It answers one question: do you like doing this? If the answer is no, you have spent $25 finding out instead of $400.

What to buy

Blue oyster or lion’s mane. Both fruit readily in ordinary indoor conditions and both are visibly dramatic, which matters more than it sounds for staying interested.

Buy from a supplier who tells you the species and the date it was made. A kit sitting in a warehouse for three months will underperform.

What you’re aiming for

  • First pins in 5–10 days
  • Harvest 3–4 days after that
  • 0.4–0.8 lb on the first flush
  • A second flush if you soak the block afterwards

Full details on running it: grow kits.

What to actually pay attention to

The kit will produce mushrooms almost regardless of what you do. The value is in watching four things:

How fast the last two days are. Mushrooms gain most of their size at the very end. Once you have seen it, harvest timing stops being guesswork.

What happens when air is restricted. If you tent the block in a bag with no holes, you will get long stems and small caps. Try it deliberately on one side if you like — it is the clearest possible demonstration of what CO₂ does.

Where it pins. It will pin at the cut, because that is where the air is. This is the principle behind every fruiting technique that follows.

What healthy mycelium looks like. White, dense, faintly mushroom-smelling. You need this reference before you can recognise anything wrong.

Three things not to do

Don’t cut extra holes. You get more mushrooms, all smaller and worse. One opening, one good cluster.

Don’t mist the mushrooms. Mist around them. Water sitting on caps causes bacterial blotch.

Don’t put it in a cupboard. Kits need air movement. A kitchen counter out of direct sun is ideal.

When something goes wrong

It might. Work from the symptom:

A failed kit is not a wasted kit. Diagnosing your first contamination is a more useful education than a clean flush.

After

Harvest, cook them properly — dry-sear first, fat afterwards — and decide whether you want to do it again with more control.

If yes: your first monotub.

Published 23 August 2026

Sources

The works this page draws on. These are references, not pinpoint citations — see how sourcing works here.

  1. Stamets, P.Growing Gourmet and Medicinal Mushrooms3rd ed., Ten Speed Press1993
  2. Cotter, T.Organic Mushroom Farming and MycoremediationChelsea Green Publishing2014
When you're ready Your first monotub Bought spawn, your own substrate, a tub with holes in it. This is where you actually learn to grow — and you still don't need a pressure cooker.