Spawn orders have an approximate 1 week lead time...how cool is this?! We now carry stock of over 15 species of grain spawn. Please note that we only send spawn via courier on Mondays and Tuesdays (not applicable to collections or sending your own courier), to manage goods arriving prior to a weekend and so that it does not lie in a warehouse over a weekend. This is also due to our standard courier being Economy Service with The Courier Guy, and is 2-3 days from collection.

- Pleurotus ostreatus -

Pleurotus ostreatus grain spawn is supplied on Red Sorghum in a 2kg Polypropylene autoclave patch bag. Pleurotus is a genus of gilled mushrooms, which includes one of the most widely eaten mushrooms being Pleurotus ostreatus. Species of Pleurotus may be called Oyster Mushroom, Oyster Shelf, Tree Oyster and Straw Mushroom, and are some of the most commonly cultivated edible mushrooms in the world. In Japan, they are called Hiratake or Tamogitake.

Fruiting Temperature: 18-21°C
Relative Humidity: 85-90%
Recommended substrate: barely or wheat straw

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If you are interested in growing Oyster mushrooms from grain spawn, we offer step-by-step guidance. All you need to do is add Oyster mushroom grain (excludes King Oyster) spawn to your shopping cart, and once an order status is marked as paid in the SHOP, you will receive a download link to a FREE copy of the Fungiculture eBOOK on "How to grow Oyster mushrooms using the Cold Lime Soak" method. Your spawn order will also be started on receipt of payment.

The essential items that you will need to order with the Oyster spawn, for the Cold Lime Soak method, are:

2kg's of spawn
1kg gypsum
1.5kg hydrated lime
10 meters of 355mm Polyethylene tubing
piercing needle
scalpel blade

Be sure to check out our other spawn, dowels, cultures and related supplies. To view the fruiting temperatures of all of our spawn, click here.

Would you like to learn how to make grain spawn from a tissue culture? We offer training via video tutorials and training notes in our online Learning Centre. Click here to learn more -> https://www.learn.mushroomguru.co.za