Mushroom sawdust spawn 5kg bulk kit. High yield strains (Pre-order)

Up to 4 weeks lead time on 5 kg sawdust spawn blocks.

Gaia Mountain Mycology - Premium 5 kg mushroom sawdust spawn blocks

Clean. Vigorous. Guaranteed for fruiting or for use as a spawn media.

Whether you're a home grower or building your mycology skills professionally, our Premium Mushroom sawdust blocks are crafted with precision to help you succeed.

Top-quality, sterilized and fully colonized lab grade sawdust spawn innoculated in HEPA-filtered clean rooms, packaged in 5kg volumes, ensuring your spawn arrives100% clean and ready to grow/expand.

All of our sawdust is pressure-sterilized at 15-18 PSI and transferred directly to clean rooms, from our sterilization vessels for maximum sterility.

We stand by our craftsmanship quality:

✅ 100% Clean Arrival Guarantee - if your sawdust spawn blocks show contamination due to our sterilization process, we’ll replace them.

* Note: While we guarantee our products to be of the highest quality when they leave our lab, we cannot be held liable for courier mishandling after dispatch.

 🍄 Available Mushroom Species and strains:

Choose by season or species characteristics:

 

🌬️ Winter Oyster Series (Cool Season: 10–18°C fruiting temps)

 

Blue Oyster (Pleurotus ostreatus)

• Fruiting Temp: 10-18°C

• RH: 85-95%

• Fast colonizer, high-yield, great for outdoor grows

 

King Oyster (Pleurotus eryngii)

• Fruiting Temp: 12-20°C

• RH: 80-90%

• Meaty stems, slow fruiting, high value

 

Black Pearl King Oyster (Pleurotus ostreatus × eryngii hybrid)

• Fruiting Temp: 12-20°C

• RH: 85-90%

• Hybrid vigor, rich umami flavour

 

Black Abalone Oyster (Pleurotus Cystidiosus)

• Fruiting Temp: 10-18°C

• RH: 85-95%

• Dense caps, chewy texture

 

Grey Oyster

• Fruiting Temp: 12-18°C

• RH: 85-95%

• Reliable producer in variable climates

 

White Oyster

• Fruiting Temp: 10-18°C

• RH: 85-95%

• Snow-white fruiting, cold-loving

 

☀️ Summer Oyster Series (Warm Season: 18-30°C fruiting temps)

 

Yellow Oyster (Pleurotus citrinopileatus)

• Fruiting Temp: 20-28°C

• RH: 85-95%

• Fast fruiting, tropical flavour

 

Pink Oyster (Pleurotus d'jamor)

• Fruiting Temp: 24-30°C

• RH: 85-95%

• Vibrant colour, quick yields

 

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🌿 Other Gourmet & Medicinal Spawn Available

 

Black Poplar (Agrocybe aegerita)

• Fruiting Temp: 15–22°C

• RH: 85–90%

• Mild flavour, excellent on logs

 

Black Wood Ear (Auricularia polytricha)

• Fruiting Temp: 18–26°C

• RH: 90–95%

• Jelly-like texture, medicinal value

 

Lion’s Mane (Hericium erinaceus)

• Fruiting Temp: 16–22°C

• RH: 90–95%

• Brain-boosting, shaggy white clusters

 

Turkey Tail (Trametes versicolor)

• Fruiting Temp: 16–24°C

• RH: 85–95%

•  Medicinally important mushroom, grown mainly to assist in alleviating various health ailments and to improve quality of wellness

 

Reishi (Ganoderma lucidum)

• Fruiting Temp: 22–28°C

• RH: 80–90%

• Powerful adaptogen, varnished conks, Medicinally important mushroom, grown mainly to assist in alleviating various health ailments and to improve quality of wellness

 

Shiitake 4320 (Lentinula edodes)

• Fruiting Temp: 12-20°C

• RH: 80-90%

• Rich, umami-heavy caps; log or block grown

 

🌰Chestnut (Pholiota adiposa)

• Fruiting Temp: 12-20°C

• RH: 85-95%

• Beautiful golden clusters, nutty flavour

 🚚 Shipping Details

 

• Standard delivery via The Courier Guy (Locker Service): 3-5 working days

• Cold pack options available on request (extra charges apply)

• Dispatch: Mondays & Tuesdays only for orders outside Western Cape

• National shipping across South Africa

• 4-6 week lead time on all production fruiting blocks, unless otherwise stated.