Grain Spawn 1kg-3kg

This is the heart of the business, our passion. We’ve been making Grain Spawn for many years and if you’re looking to grow mushrooms, keep reading. 

What Is Grain Spawn?

Grain spawn is the foundation of mushroom cultivation—sterile grains fully colonised with mushroom mycelium, ready to inoculate your fruiting substrate. Our grain spawn is cultivated under strict lab conditions, in an aseptic environment. Removing the chances of any contamination and ensuring maximum strength, and yield potential.

Why Choose Our Grain Spawn?

• Lab-grown, sterile, and contamination-free
• Fast colonisation and aggressive mycelium growth
• Ideal moisture and nutrient balance
• Packed fresh to order in Unicorn mushroom growbags 
• Multiple native and commercial species available

Ideal For:

• DIY mushroom growers (indoor & outdoor)
• Farm-scale and commercial production
• Mycology enthusiasts & educators
• Log inoculation (some species)

Available Mushroom Species

Our passion is native species, so where possible we use the most commercially viable native cultures. Species such as King Oyster and Shiitake would be commercial cultures. We offer grain spawn for a wide range of both gourmet and medicinal mushrooms:

• Oyster (Pleurotus spp.) – Fast, reliable, great for beginners
• Lion’s Mane (Hericium erinaceus) – Delicate, brain-boosting, and delicious
• Pioppino (Cyclocybe aegerita) – Rich, meaty flavor with great yields
• Chestnut, Dryads saddle, Reishi, King Oyster, Coral Tooth – And more

Don’t see what you’re looking for? Contact us on hello@jurassiccoastmushrooms.com for bulk or custom orders.

Choosing native mushroom grain spawn for your cultivation needs is more than just a sustainable choice—it’s an investment in your local ecosystem and a step toward healthier, more nutritious harvests. Unlike non-native mushroom strains, native mushrooms are perfectly adapted to your local environment, promoting a harmonious relationship with the land and providing greater nutritional benefits