- Hypsizygus ulmarius -

Hypsizygus ulmarius grain spawn is supplied on Red Sorghum in a 2kg Polypropylene autoclave patch bag. Spawn orders are all started FRESH and will take approximately 2-4 weeks to produce, depending on the volume of orders currently in processing.

Hypsizygus ulmarius is also known as the Elm oyster mushroom, and less commonly as the Elm Leech, elm Pleurotus. It has often been confused with oyster mushrooms in the Pleurotus genus but can be differentiated easily as the gills are either not decurrent or not deeply decurrent.

Fruiting Temperature: 14-20°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.