Cultivation Supplies5 lb Sterile Grain Spawn
Premium 5lb sterile grain spawn with vermiculite for rapid colonization.

Cultivation Supplies
5lb supplemented Hardwood Fuel Pellet and Bran substrate. Ideal for wood-loving gourmets.
$18.00 / each
Add to your cart, then check out securely via Stripe.
Build a custom box: add items to your cart, then tap 'Make this a subscription box?' in the drawer to save 10%.
Fruiting temperature
55–75°F
Preferred fruiting temperature 55 to 75 degrees Fahrenheit.
5 lb Substrate Bag (HWFP)
Specially formulated for wood-loving species like Oysters, Lion’s Mane, and Chestnut mushrooms. Our HWFP bags are supplemented with bran to maximize yields, hydrated to perfection, and pressure-sterilized in our lab.
Reviews are coming soon. Leave us a note on the Contact page and we'll add yours here.
More from the category
Frequently paired with
Lab-verified accessories our cultivators pair with this item most often. Mix and match to assemble your own workflow.
Cultivation SuppliesPremium 5lb sterile grain spawn with vermiculite for rapid colonization.
Cultivation SuppliesThe complete starter lab: 1 LC syringe, 1 modified quart jar, and 150g premix.
Liquid CulturesVigorous, fast-colonizing Lion's Mane. A top-tier gourmet and functional mushroom.