Truffle Tree grow your own fresh truffles and incorporate a little bit of France in your own back yard. These Oak trees are inoculated under laboratory conditions with black truffle spore. You can plant these truffle trees in the ground or even in a big 1/2 wine barrel. Truffles thrive in hungry, lime-based soils.  To enable your tree to produce truffles the pH of the soil must be 7.5.