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Specialty Mushroom Cultivation

 

 
Specialty mushrooms are defined by USDA as any species not belonging to the genus Agaricus (button, crimini, portabella). The most common specialty mushrooms are shiitake (Lentinula edodes) and oyster (Pleuterous ostreatus), which represent the second and third most produced in the United States (USDA, 2017). Demand for specialty mushrooms is rapidly rising, as consumers look to purchase more foods that are healthy, nutritious, and medicinal. United States per capita consumption of all mushroom species was only 0.69 lbs. in 1978, but by 1999, averaged 4 lbs. per capita.

Mushrooms are nutritious, ranging from with twice the protein of most vegetables and containing all the essential amino acids for humans (Chang, 1980). They serve as an alternative protein to animal sources and also provide dietary fiber and minerals with no fat (Shah, 1997). Some report mushrooms to be more satisfying to consumers than meat proteins (Hess, 2017). Mushroom intake is positively associated in diets with a higher intake of nutrients and a higher quality diet (O’Neil, 2013).

In addition to the nutritional value, both shiitake (Mizuno, 1995) and oyster (Patel, 2012) offer an impressive array of medicinal properties including antiviral, antimicrobial, anti-inflammatory, immune modulating, and more.

Fig 1. Sales of Specialty Mushrooms (USDA NASS)

Sales have increased with demand (Fig. 1). In 2017, production of specialty mushrooms, grew by four percent from 2016 levels to 25.4 million pounds with a sales value of $96.2 million. While this represents a 9.6% increase from the previous year, there is still a high level of demand not being met. In 2017, specialty mushroom growers produced 26.1million pounds — a 5.5% average increase over the last five years. Yet, this averages 0.08 lbs produced per capita (Table 1), compared to the national average of 4lbs/per. This production bottleneck is partially due to lack of growers. In 2017, there were only 226 growers commercially producing specialty mushrooms the United States (USDA, 2017).

Research at Cornell over the last decade has focused on the cultivation of four species: shiitake, lions mane, oyster, and stropharia in outdoor settings. We have recently expanded our resources to include more on indoor cultivation methods, as well.

 

Upcoming Classes and Events:

 

Woodland Mushroom Cultivation

(BF 151) – Online Course

Growing Mushrooms on Logs, Stumps, and Woodchips

Mushrooms are an emerging niche crop with many benefits, including improving farmer stewardship of forested lands and the ability to offer a unique and highly desired product. With a bit of practice, mushrooms can be easily grown in the woods on many products that can be the surplus of healthy forest management.

This course trains new and experienced farmers in the background, techniques, and economics of farm scale woodland mushroom production. Students will learn the basic biology of mushrooms, cultivation techniques for shiitake, oyster, lions mane, and stropharia mushrooms, proper conditions for fruiting, management needs, and harvesting and marketing mushrooms.

LINK TO COURSE DESCRIPTION

 

 

Indoor Specialty Mushroom Cultivation

(BF 153) – Online Course

Making good use of farm buildings for mushroom production

Mushrooms are an emerging niche crop with many benefits and offer a unique and highly desired product.

With a bit of practice, oyster mushrooms can easily be grown in a variety of locations and on many different substrates including straw, coffee grounds, and more.

This course trains new and experienced farmers in the background, techniques, and economics of farm scale commercial production. Students will learn the basic biology of mushrooms, cultivation techniques, proper conditions for fruiting, management needs, and harvesting and marketing mushrooms.

LINK TO COURSE DESCRIPTION

 

 

 

Contact:

Steve Gabriel

Extension Agroforestry Specialist, Cornell Small Farms Program

15A Plant Science Bldg

Cornell University

Ithaca, NY 14853

sfg53@cornell.edu

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