Reishi Grain Spawn – Medicinal Strain (1.7 kg / 3L)

Product detailed description

Grow powerful medicinal mushrooms from scratch. This grain spawn is produced from our stable, high-triterpene Reishi strain, grown on sterilized, high-quality grain and ready to inoculate sawdust blocks or outdoor logs.

✅ Best used with supplemented hardwood sawdust
✅ Reliable colonization for indoor or shaded garden grows
✅ Great for tincture-makers, extractors, and medicinal mushroom growers

Recommended Substrate:

• 80% hardwood sawdust

• 10–20% bran

• 1–2% gypsum or crushed eggshells (optional)

• Moisture: 60–65%

• Sterilization strongly recommended

Spawn Rate:

• 1:10 standard

• 1:5 for faster colonization

Colonization Conditions:

• Temperature: 24–28°C (75–82°F)

• Duration: 20–30 days (slow-growing)

• Humidity: 65–70%

• Light: Not required until fruiting

Tips for Best Results:

• Let blocks sit 1–2 weeks after colonization before fruiting

• Outdoor cultivation in shade works well in warm, humid climates

• Harvest only when caps are fully formed and hardened

Storage: Refrigerate at 2–4°C. Use within 6 weeks