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Hazelnut Trees Inoculated With French Black Truffles
Corylus avellana (European hazelnut)/ Tuber melanosporum (French black truffle)
After centuries of effort to domesticate the highly prized, culinary black truffle, it can now successfully be cultivated in your own yard. Truffles live exclusively in the soil around the base of a suitable host tree. In this case, we have the truffle mycorrhizae established on the roots of a common European hazelnut tree, which also happens to produce excellent quality nuts (2 or more trees are needed to produce hazelnuts).
Choose a site with full sun and well-drained soil. The French Black Truffle is suitable for growing in zone 7 and higher. Truffle production requires irrigation in areas with long, dry summers. It often takes 5-7 years to harvest the first truffles, but this annual winter harvest will continue for decades. Truffles form several inches below ground.
Truffles require a soil pH between 7.5 and 8.3, which will require amendments with calcium carbonate lime in most parts of the US. We recommend 250 pounds of lime spread in an area approximately 15 feet in diameter around the planting hole and worked into the soil before planting. Available only within the contiguous US. Inoculated, 1 year old saplings ship in early March.
They will need to be planted directly into the ground or a pot upon arrival. Quantities are very limited.
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