New customer? Use code GROW10 for 10% off your first order

The Grow Journal

Guides, tips & mycelium science.

Everything we know about clean cultures, substrates, and contamination-free grows — straight from the lab.

How to Grow Mushrooms at Home: A Beginner's Step-by-Step to Your First Full Flush

Aug 26, 2026

How to Grow Mushrooms at Home: A Beginner's Step-by-Step to Your First Full Flush

A beginner-friendly guide walking through the full first-flush journey — choosing a route (all-in-one bag vs. liquid culture), prepping a clean workspace, inoculating, colonizing, fruiting, and harvesting — with species-specific tips and links to our products and free lab guide.

Liquid Culture 101: Why Start From the Source

Liquid Cultures

Aug 18, 2026

Liquid Culture 101: Why Start From the Source

Liquid culture is the fastest, cleanest way to launch a grow.

Choosing the Right Substrate for Every Strain

Aug 18, 2026

Choosing the Right Substrate for Every Strain

Grain, straw, or supplemented hardwood? Matching substrate to species is the single biggest lever on your yields.

Ready to grow?

Start with a clean liquid culture

Lab-tested syringes, ready to inoculate. Free the guesswork — start from the source.

Shop Liquid Cultures

5 Beginner Mistakes That Cause Contamination

Cultivation Tips

Aug 18, 2026

5 Beginner Mistakes That Cause Contamination

Green mold got your grow? Nine times out of ten it's one of these five fixable habits.