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Chestnut Mushroom Agar Plate

Chestnut Mushroom Agar Plate

Regular price $24.99 USD
Regular price Sale price $24.99 USD
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Species Pholiota adiposa
Difficulty ℹ️ 🍄🍄
Spore Coloration White
Ecology Saprotrophic
Edibility Choice


The Chestnut mushroom, or Pholiota adiposa, is in the same family as the Nameko. It is a stunning example of a mushroom with small rounded brown caps, bits of the veil often stick to the cap after it has opened before harvest. The common name chestnut has been mistakenly applied to the baby bella or crimini mushroom, agaricus bisporus because of the shape and color.

Pholiota adiposa is a slimy, scaly, yellow-brown mushroom. It is edible, and found in North America, Europe, and Asia. It grows parasitically or saprotrophically, most often on beech species, fruiting in bunches between August and November. Several compounds produced by this mushroom, for example methyl gallate, are of interest for their medicinal properties.

P. adiposa has been documented in North America, Europe, and Asia,. It can grow parasitically on live stems of trees, or as a saprotroph on dead wood. Substrates can be various beech species, poplar, and willow trees,. Fruitification occurs between August and November, most commonly between September and October. P. adiposa grows above ground, as opposed to fungi which prefer buried wood. It can grow in temperature ranges between 10-30°C, with an optimal temperature of 25°C. Mycelial growth is severely suppressed below 5°C or above 35°C. In growth media. P. adiposa can grow in a pH of 5-11, growing the best at a pH of 6.

Some photos of this product in its wild-foraged form are sourced from iNaturalist or Wikipedia, taken by bjoerns, Weaver Younghands. Licensed by CC-BY-SA.

What Is An Agar Plate?

An agar plate is a petri dish with solidified nutrient solution (I make mine with light malt extract, generally). The dish is sealed with parafilm to keep it sterile while the transfer colonizes the plate.

The mycelial bodies grow on our agar plates in sterile incubators before being shipped to you!

How Do I Store Agar Plates?

Keep your agar plates ideally in the fridge, within a ziplock bag. Let them come to room temperature before opening them - it'll prevent condensation!

How Do I Use Agar Plates?

Grab your scalpel and get to work! Need a scalpel? Check my gear page!

Slides from agar plates can be propagated onto other mediums very easily. The beauty of agar plates is the ability to be absolutely certain that your sample is healthy and clean!

When Will My Agar Plate Ship?

All of my agar plates are made-to-order. This ensures that you have nothing but the freshest, most voracious mycelium when it gets to your doorstep.

Please check for your individual species on this page to see colonization times.

If you're interested in ordering agar plates and other items like liquid culture, or mushroom spores, you can have your order shipped in two by adding this item!

What Comes In My Package?

For each agar plate in your order, you'll receive a healthy, colonized agar plate, and an additional piece of parafilm in case you need to reseal it.

What if Something Goes Wrong?

If you any questions as to the density, sterility or other concerns about your order please email me directly at

Under no circumstances contact us about cultivation of active spores regardless of legality in your home location. Doing so will result in a cancellation of all open orders and denial of any future orders.

While all of our products are made in the most sterile conditions possible, sometimes contamination happens! I'll make it right!

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