Mushroom Cultivation Tools
A free suite of calculators and planners for growing mushrooms — from agar and spawn through substrate, climate and harvest to packaging and sale.
Every tool reads from the same cultivation database, so a species' real parameters follow you across them. Figures are shown as the ranges real growers work within; treat them as a starting point to tune for your strain.
Species Database →
Growing parameters for every species — temperature, humidity, substrate, timing and yield.
AI Photo Agronomist →
Upload a photo of your own grow and get a structured health and contamination check.
AI Grow Consultant →
Ask a cultivation question; answers come from the species database, with sources.
Grow Journal →
A private tracker for your grows, saved only in your browser.
Method Selector →
Six questions to the growing method that fits your space, budget and goal.
Substrate & spawn
Grow Bag Calculator
Substrate, water and spawn per bag, scaled to your batch.
Substrate Recipe
Scale Masters Mix and other formulations to any batch.
Spawn Ratio
Grain spawn to substrate at any ratio, both ways.
Hydration
Water to reach field capacity, or fix a wet mix.
Grain Spawn
Grain and water for your spawn jars.
Sterilize & Pasteurize
Time and temperature by container.
Agar & Media
MEA, PDA and more, scaled to your dishes.
Climate & environment
Climate & Humidity
Phase targets plus VPD, dew point and absolute humidity.
Fruiting Chamber Sizing
Footprint, height and volume for your blocks.
Humidifier Sizing
The humidifier output your chamber needs.
Yield & finance
Yield & Efficiency
Fresh and dried yield from substrate and biological efficiency.
Profit & Cost
Cost per block, break-even price, margin and ROI.