1 bagGrain Spawn
5 lb bag · species selected at checkout
Complete grow bundle
Spawn Starter Bundle
5 lb of grain spawn plus six hardwood blocks at a forgiving 16.7% spawn rate.
Everything in the box
Here's what you get
1 bag
6 blocksHardwood Blocks
5 lb each · sterilized and ready to inoculate
Mushroom Growing Supplies Canada
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Spawn Starter Bundle
From$109.95
In Stock — Ready to Ship
Five pounds of ready grain spawn with six sterilized hardwood blocks — a balanced, beginner-friendly spawn-to-fruiting grow.
23 strains available. Your selection will appear in the cart.
$109.95for Mossy — King Blue Oyster
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1
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Nature Lion is based in Brantford, Ontario
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SKU: NL-BNDL-SPAWN-STARTER
Category: Mushroom Growing Supplies Canada
Product Details
A complete spawn-to-substrate grow for customers who want to begin with colonized grain spawn.
What’s included
- 1 × Grain Spawn 5 lb — your chosen species
- 6 × Pre-Sterilized Hardwood Substrate Blocks, 5 lb each (30 lb total)
Five pounds of spawn mixed into 30 lb of substrate creates an approximately 16.7% spawn rate: a forgiving rate designed for confident colonization without wasting spawn.
The bundle price already includes the discount — no coupon needed.
Colonized spawn is produced fresh to order — please allow 14–21 days before shipping.
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Product description by Andrew Langevin · Founder, Nature Lion · Contributing author, Mushroomology (Brill, 2026)
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