Truffles are a delicacy, and are the fruiting body of a fungus that lives symbiotically with the roots of an inoculated tree such as an oak or hazelnut tree.
The fungus (known as a mycorrhiza) is colonised onto the roots of the host tree. Truffles prefer a well-drained soil enriched with compost and decomposed manure.
They require all the usual plant nutrients, but in relativel...
