Back to shop
Grain Spawn
Grain SpawnColonized Grain Spawn, Blue Oyster
$24.99
Save weeks of work. This bag arrives fully colonized with vigorous Blue Oyster mycelium on rye grain, ready to spawn directly into your bulk substrate, grow bags, or buckets. The fastest path from purchase to a fruiting grow.
StrainPleurotus ostreatus
GrainRye
UseSpawn to bulk immediately
Out of Stock
Customer Reviews
Write a review
Sign in to leave a review.
No reviews yet. Be the first to share your experience.