White Oyster Grain Spawn

Forij Mycelium

White Oyster Grain Spawn

Sale price$24.00 Regular price$30.00
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Spawn: The unsung hero of the mycological world! This oat substrate colonized with mycelium is the feisty precursor to beautiful mushrooms. The mycelium has woven itself into a dense, weblike structure throughout the grain and created ready-to-use mushroom spawn. So why purchase grain spawn? Well, it gives you the freedom to grow mushrooms in your own way. Straight from a fruiting block, in a bucket, a  log, or even an old peanut butter jar! It’s a choose your own adventure - mushroom edition. Though, don't get too carried away. Make sure you do your research. Mycology is a tricky business. A sterile environment is always recommended. Once inoculated, your spawn will produce several bountiful, vibrant flushes and you can literally eat the fruits of your labour.

White oyster spawn will arrive fully colonized. All you need to do is cut open the spawn bag and inoculate the contents into a substrate. White oyster is a hardwood-loving species, found in nature growing from decaying logs. However, oyster (Pleurotus) species are resilient and can grow from several substrates such as straw, coffee grounds, etc. 

White oyster has a mild and nutty taste with a sturdy and absorbent texture. The fruit is robust and easy to grow. Great in stir-fries or paired with eggs for breakfast. This species is high in fiber, protein, and potassium. It contains an antioxidant that is a preventative for cardiovascular disease.

  • 4lbs of fully colonized whole oats Pleurotus ostreatus grain spawn.
  • Reseal with a sealer after use.
  • Sterile procedure recommended. 
  • Read our spawn FAQ here
  • Inoculate into hardwood substrate recommended. Best used with Forij Woodworks Fruiting Block.
  • *Contains live mushroom culture.

For best results use ASAP but can be refrigerated for 3-4 months.  

Processing Times

We're committed to the integrity and quality of our products. Growing mushrooms involves working with a biological organism that is constantly growing and needs maintenance. That's why all of our mushroom cultures are made to order, with care and dedication. Your lead times will reflect fungi incubation times, depending on which cultures we have readily available and which we need to expand for you when we receive an order. Our team works hard to prepare and pack your orders as quickly as possible--we appreciate your patience, and we are committed to the success of your mushroom cultivation project.

Current lead times are as follows:

Sterile substrate: In stock, no delay.
Grow Kits: 7-10 business days
Grain Spawn: 1-2 weeks
Petri dishes: 1-2 weeks
Liquid cultures: 1-2 weeks

You will receive a shipping confirmation with tracking information once your order ships out. If you have an event planned or a specific date of inoculation in mind, please email sales@forij.life.