Pleurotus ostreatus AM-G1-W

Agrocybe aegerita AM-G11

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Strain: Pleurotus ostreatus AM-G1-W


=Hypsizygus ulmarius (Bull.) P. Kumm.


Common Names: Elm Oyster, Garden Oyster, Shirotamogidake (シロタモギダケ)


Application: choice edible, medicinal usage and compounds.


Characteristics: Fruitbodies in morphology are very similar to the commonly cultivated oyster mushrooms: hemispheric white-grayish-brown caps with eccentrically positioned stem of fibrous-woody consistency. Gills are white and decurrent on stem. This is a very popular commercial strain. This is the easiest of all oysters to grow, and is the top choice for beginners, kits or classroom work, since it always fruits. The Biological Efficiency is typically 150% - 175%. Large fruitbodies, with later flushes yielding progressively larger fruitbodies, up to about 3 lbs in weight (1.25 kg).


Temperature Range: Low: 55-65 °F (10-18 °C) fruiting temperature.


Recommended Substrate: sawdust/chips (elm, beech, oak, cottonwood or alder) supplemented with bran.

Cellulose Decomposers: Straw & other agricultural waste products.

Agricultural waste products such as sugar cane bagasse, seed hulls, soybean roughage, banana plants, corncobs, peanut shells, grass, tea leaves, grape pumice, coffee husks, saguaro cactus, cotton waste, bamboo shoots, or cellulosic waste stream products such as paper, cardboard, textile waste, etc.


Ideally this species is grown on straw and some agricultural wastes, which are low in lignin content. Pasteurize this substrate with ashes, hydrated lime, hot water, or any other method, after it has been chopped into 1-4 inch pieces. Soak the substrate for 2-12 hours depending on the pasteurization method used. Remove from water and cool and drain the substrate to no more than 80°F and whatever the saturation moisture content is for that material. Substrate is now ready for inoculation via grain spawn at a rate of 2%-10%, depending on the availability of spawn and the grower’s experience.

* It’s recommended to use a mesh basket or laundry bag to place the substrate in for easy removal after soaking or use a shower type single stage hydration/pasteurizing setup as show here:


Recommended Media Type: PDY MYA MEP CBA


History: Isolated by Aloha Medicinals 2000.


DNA Sequence: DNA Sequencing for ITS region available at an extra charge of $200. Allow two weeks for the DNA sequencing service.

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Price: $350

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Overnight shipping is recommended for this culture

Our technical staff is available to answer your questions on culture media, culture maintenance, fruiting strategies or other questions that may arise as you work with cultures. For more details please see Consulting Services.


For all of you formulators - Aloha Medicinals also offers bulk powder ingredients for use in your formulations, which are 100% USDA and EU Certified Organic. Call our customer service representative at (775) 886-6300 for more information and to place your order today!