Italy Inoculated trees
Truffles grow west of the Cascade Mountains, from Vancouver Island, British Columbia, south to northern California. Fortunately for Oregonians, prime habitat for Oregon's culinary truffles (both white and black) is found in young, fast-growing Douglas Fir tree plantation in the foothills of the Willamette Valley. Give truffles and truffle oil a try in your cooking. It is so gourmet! Oregon Truffles: The mention of truffles brings up images of the expensive black and white truffles of France. But the truffles from Oregon are just as aromatic, and less than one-tenth the price of their famous French counterparts. Harvesting Truffles. Considering the symbiotic nature of the truffle, it makes perfect sense that they grow during the season in which their associated trees grow. The truffle is a seasonal fungus with varying growth patterns depending on the variety of truffle and its native country. When it comes to truffles many culinary experts only consider two kinds acceptable: the black truffle and the white. These two primary varieties, like all others, grow underground, but considering their unique symbiotic nature this is too simplistic an answer. Some say the white truffle will grow nowhere but Italy; others, such as truffle expert James Trappe, claim there are suitable growing conditions in other areas--including, perhaps, the Willamette Valley of Oregon. As for American-grown black truffles, they are already a commercial crop.  Some say the white truffle will grow nowhere but Italy; others, such as truffle expert James Trappe, claim there are suitable growing conditions in other areas--including, perhaps, the Willamette Valley of Oregon. As for American-grown black truffles, they are already a commercial crop.  Extravagant, rare and revered by culinary aficionados throughout the world, truffles are a pungent fungus that grows around the roots of hazelnut and other types of trees. Truffle varieties include white truffles and black truffles. To grow white truffles, you must purchase inoculated trees from a truffle farmer or a garden supplier that deals in fungi. White truffles are challenging to start, but when they become successfully established, you will reap the rewards of this delicacy for years to come.  Tuber oregonense, commonly known as the Oregon white truffle, is a species of edible truffle in the genus Tuber. Described as new to science in 2010, the North American species is found on the western coast of the United States, from northern California to southern British Columbia west of the Cascade Range.  Both mushrooms and truffles are fungi, a separate group of plant-like organisms not related to plants. Mushrooms are epigeous (aboveground) and truffles are hypogeous (underground) fungi. The truffle is the ascocarp (sporing-body) of the fungus composed of an outer peridium (skin) and an inner gleba (flesh).  The White Truffle's Regions. The white truffle, for instance, is most commonly found in Italy near Alba and in the Piedmont region where dogs and pigs are used to locate them. They have also located the white truffle in parts of Croatia and Istria. When it comes to truffles many culinary experts only consider two kinds acceptable: the black truffle and the white. These two primary varieties, like all others, grow underground, but considering their unique symbiotic nature this is too simplistic an answer. Purchase your truffle trees. Truffle mushrooms grow amongst the roots of hazelnuts and live oaks that have been inoculated with truffle spores. Be sure to purchase your trees from a reputable and successful truffle farmer as close to your area as possible. Truffles take a considerable investment of time and energy to grow. However, with the right trees, location and a bit of luck, it is quite possible to grow truffles in the United States. While these mushrooms are notoriously expensive, chances are you will not get rich from your endeavor. A less common truffle is garlic truffle (Tuber macrosporum). In the U.S. Pacific Northwest, several species of truffle are harvested both recreationally and commercially, most notably, the Oregon white truffles, Tuber oregonense and Tuber gibbosum. Truffle oil is used as a lower-cost and convenient substitute for truffles, to provide flavoring, or to enhance the flavor and aroma of truffles in cooking. Most truffle oil, however, does not contain any truffles.
http://whatscookingamerica.net/Truffles/OregonTruffles.htm http://gourmet.lovetoknow.com/Where_Do_Truffles_Grow http://articles.latimes.com/2002/feb/06/food/fo-truffle6 http://www.cheftalk.com/t/5994/hey-want-to-grow-your-own-truffles http://www.ehow.com/how_7173391_grow-white-truffles.html https://en.wikipedia.org/wiki/Tuber_oregonense http://www.delectations.org/biology.html http://gourmet.lovetoknow.com/Where_Do_Truffles_Grow http://www.gardenguides.com/91030-grow-truffle-mushrooms.html https://en.wikipedia.org/wiki/Truffle
where does white truffle grow