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Oregon Black Truffle Dried Spawn SHADE Garden

$129.00 each

3 items in stock
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IMPORTANT! This truffle spawn will thrive BETTER if you FIRST inoculate the tree with the Oregon White Truffle Garden spawn (all three types of included spawn), at least THREE YEARS prior to inoculating with black truffle spawn (it is essential that the White Truffle mycellium be established first if you sow both). Black truffles require a more mature tree, and will thrive better with other specific mycorrhizals. White and black truffles fruit better when they are sown in succession.

If you are not growing both types of Truffles, then we recommend that you purchase another mycorrhizal mushroom that will thrive in the conditions present near the trees you are using for Black Truffles, and also choose a Compost type mushroom (one that grows on the ground, in lawns or in forest litter), to sow with them. You may contact us for assistance in selecting the most suitable ones for your situation.


Oregon Black Truffle that has been specially dried to preserve spore viability. (Kit includes a metal tin of dried spawn, and instructions for preparing the habitat for growing in the wild.) Cascadia strain.

Oregon Black Truffle REQUIRES trees that are around 25 years old to fruit - Can be sown on trees at ANY age, but won't generally bear any sooner than that due to the amount of root mass it requires to fruit.

INCLUDES ENOUGH SPAWN FOR TWO SOWINGS (approximately 2 mature trees total, more younger ones), which may be done at different times or all at once.

Oregon Black Truffles are smaller than European black truffles, and more rare than Oregon White Truffles. They look like little lumps of coal, white inside if immature. They are harvested by raking of the surface duff, and will usually be barely lodged in the soil beneath.

They are mycorrhizal, and depend upon specific trees - this variety seems to prefer Douglas Fir, but will likely grow on other types of fir.

Be sure that you have a suitable location before ordering.

Dried mycorrhizal mushroom spawn must be sown directly into the natural environment, according to our instructions. NOTE: It is VERY important that you follow ALL of our instructions for cultivating these mushrooms - they do not work if you don't. Sowing these mushrooms is EASY, but does require a blender, and non-chlorinated water.

Each order of dried spawning mushroom contains enough to create two batches of active spores, which may be cultured and expanded, and then sown into the desired substrates.

Dried Spawn is EASY to use! Just reconstitute in water, and either finely chop or use a blender, and pour the resulting spore and mushroom mixture over your substrate or onto the ground where they need to be sown.

Packaged in metal tins for longest storage and viability. We do not use plastic in handling this product (plastic leaches chlorides, which are fungicidal in effect), and our products are not exposed to chlorine or other harmful chemicals during growth, processing, or handling on our property. You may be assured of the highest quality and maximum growth potential.

NOTE: Dried spawning mushrooms must be selected and handled correctly to produce viable spores. They must also be used correctly to extract spores, and then to culture the spores into the receiving medium. Our proprietary methods ensure viable spores, and we give you instructions for culturing them in a non-sterile environment. (If cultured improperly in a non-sterile environment, things go terribly wrong.) You are not only paying for the mushroom spores, you are paying for our expertise in both the processes we carry out before you see the product, and the instructions we give you for using the spawning mushroom.

Cross contaminations DO occur with non-sterile mushroom spawn (they seem to occur with alarming frequency with supposed sterile spawn as well!). In general, these contaminations are harmless, they may produce other non-edible, or other edible mushrooms, but for the most part, the mushroom you paid for will outnumber the contaminations by many times, and will not establish ahead of the desired mushroom.

Additionally, when using non-sterile methods to culture in natural materials, prior colonizations of unwanted fungus may occur, resulting in the fruiting of unexpected, random mushroom types. This is not at all a disaster, and normally does not cause problems. These mushrooms will typically be inedible, and may be ignored - in our experience, the cultured mushroom still establishes well and will produce well in spite of the interlopers! The chance that a poisonous look-alike would grow instead is virtually non-existent - because dangerous look-alikes don't grow in the same environment as visually similar edible species.

We do advise that you KNOW YOUR MUSHROOM - and that you know what it looks like, so you correctly identify anything coming up. This is wise in every instance, because even when you are using "sterile" kits or materials, rogue mushrooms may grow.

Please refer to our disclaimer in the right sidebar of this website.



Mushrooms may cause allergic reactions in sensitive people. Some mushrooms are more likely to do this than others. Please research possible reactions prior to purchase. We are not responsible for how you choose to use our products, and do not claim that mushrooms are completely safe to consume. We merely assure that they are as represented on our website.

We do not make any promises as to the efficacy of any mushroom product to treat or prevent any disease or condition. Please consult a doctor or alternative practitioner prior to using any mushroom product for treatment of any disease or illness.

We cannot guarantee that any spawn, spore, or kit product will grow or produce mushrooms. We do guarantee that our products are as described, and that the methods in our instructions do produce good results, but once our products leave our facility, we can no longer control the factors which are responsible for success. Gardening of any kind is a chancy business, and success depends upon adherence to instructions, and may be influenced by weather, environmental factors, and other controllable and non-controllable factors. As such, we cannot guarantee your success, and advise that if you are uncomfortable with purchasing under these terms, that you refrain from purchase.

We do promise to answer your questions, and offer reasonable assistance if needed, and to correct any errors if a mistake is made on our part.

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Got a Question? International order? Need Consulting Services to identify habitats on your land or for starting a mushroom business? You can Email Us Here.


Our cart is not currently set up to calculate international shipping. For international orders, please email us with a list of items you wish to order, and the country you need them shipped to. We will return a shipping quote, and send you a PayPal invoice to complete the order process. Not all items are available for international shipping (heavy items are too costly). We currently ship ONLY dried mushroom spawn and spore prints internationally.


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