Interactive lesson

Homestead mushrooms, step by step

Interactive lesson: how a mushroom lives, which species suit a homestead, what they need, where to put them, which substrates you already have and what the first year looks like.

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The whole lesson as text

1. How a mushroom lives

What you pick is not the whole fungus.

Spawn on grain — In cultivation you don't sow spores but ready-grown mycelium on grain or sawdust, called spawn. It's like planting transplants instead of seed: faster and safer.
Mycelium claims the substrate — The mycelium goes into straw, wood or chips, and from that moment it races against moulds and bacteria. Whoever claims the substrate first wins.
Colonisation in the dark — Mycelium colonises in the dark, warmer, with little air. Oyster 2–4 weeks, shiitake on a log 6–18 months.
Trigger and fruiting — Cooler, wetter, light and fresh air start fruiting: 5–10 days from the first pins to harvest. The fruiting body releases millions of spores.

Why: The real fungus is the mycelium, a web of fine white threads that digests straw, wood or soil. Once it has taken over the substrate and gets the right signal, it makes the fruiting body you pick.

Oyster, shiitake and wine cap are decomposers: they live on wood, straw and leaves and need no living plants or fertiliser.
Ceps (porcini) and chanterelles live with tree roots and cannot be grown on straw or logs.

2. Which mushrooms for a homestead

We choose species that grow on what we already have and cope with our climate.

Oyster on straw — Every beginner's first mushroom: it grows fast, forgives mistakes and fruits on wheat straw in 4–6 weeks.
Shiitake on logs — Grows on fresh oak, hornbeam and beech logs (in the US also sugar maple). The first crop comes in 9–18 months: a log inoculated in March fruits in autumn or the following spring.
A log fruits for years — In return, a shiitake log fruits 3–5 years running, and there is little work after inoculation.
Wine caps in the garden — Also sold as king stropharia or garden giant. You plant it in a layer of wood chips or straw between fruit trees and vegetables. It looks after itself, fruits in 2–5 months and improves the soil.

Why: The real differences are in substrate, temperature and patience. King oyster and button mushrooms need sterilised sawdust or a special compost, so they are not for beginners.

Don't start with five species at once: in the first year, one fast (oyster) and one slow (shiitake).
Once you have learned hygiene and humidity, add wine caps in the garden.