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Method 04·Years of harvest

Inoculate Logs

Use your spent block to inoculate hardwood logs and you get mushrooms for years. Literal years. Some growers are still harvesting two years later from logs they started with their first ShroomBag.

Image: oyster cluster fruiting from a sealed, inoculated hardwood log.
§ Step by step
  1. 01

    Start with fresh hardwood

    Oak is excellent. Maple works. Use logs before they dry out, ideally within a few weeks of being cut.

  2. 02

    Drill a pattern of holes

    Space holes around and along the log, roughly 6 inches apart in rows around the circumference.

  3. 03

    Pack the holes

    Press broken-up colonized substrate from your spent block firmly into each hole.

  4. 04

    Seal with melted wax

    Brush hot wax over every hole to lock in moisture and keep contaminants out.

  5. 05

    Stack and wait

    Set the logs in a shaded, humid spot. Colonization takes months, often most of a year, before the log fruits.

  6. 06

    Trigger flushes with water

    Once colonized, logs fruit in waves, often after rain or a long soak in a tub.

§ What to expect

Patience is the price. The reward is mushrooms that show up on their own out in your yard, season after season, for years, from a few logs you set up once.

§ Keep the cycle going

Nothing here requires buying anything. But if you want more material to expand from, a fresh kit or refill is the fastest way to stack another cycle on top of this one.