Mushroom Log Yield Calculator

Estimate Mushroom Production and Discover the Best Logs for Shiitake, Oyster, Lion’s Mane and Reishi.

Hardwoods: best for edible log culture Softwoods: mostly Reishi (hemlock)

Mushroom

Pick what you want to grow. We’ll show the recommended logs (from the earlier list).

Log species you have (or plan to use)

Choose the log type you’re actually using to drive the yield estimate.

Number of logs

Planned grow window (years)

Log diameter (inches)

Common: 4–8 inches.

Log length (feet)

Common: 3–4 ft.

Important: Yield is an estimate for planning. Actual results depend on strain, inoculation method, climate, moisture, shade, and how well logs are maintained.

Estimate: —

Select inputs and click Calculate.

Recommended logs

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Log match score

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Estimated log lifespan

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Annual yield (all logs)

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Best log choices for this mushroom

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Log species	Compatibility	Typical use	Notes (from earlier list)

Compatibility is based only on the earlier mapping (e.g., Oak→Shiitake/Lion’s Mane/Maitake/Reishi; Birch→Chaga, etc.).

Tip: For best results, use fresh, healthy logs with intact bark (avoid rotted/treated wood).