We're backordered on Oyster Fruiting Blocks, all orders this week will ship on Monday, May 23rd.


These are the same blocks of mushroom growing substrate that come in our grow kits, just without the box, directions, humidity dome and misting bottle. You can use these to refill our grow kit boxes after the substrate stops producing or just fruit them on your own. These blocks are ideal for hobbyist growers that have their own fruiting chambers at home.

Organic Blue Oyster Fruiting Blocks

Price Options
One-time purchase
Blue Oyster Blocks
$22.50monthly/ auto-renew