"Hardy how far north, do you know?"
I don't know. This was on the Truffle tree site.
The French black truffle (Tuber melanosporum), the truffle
species most widely and successfully cultivated, needs a
climate without extreme summer heat or extreme winter cold.
The truffles begin to form in the soil during the summer
when they are vulnerable to damage from high soil
temperatures and dry conditions. The truffles mature
between December and the end of February when they can be
damaged if the soil freezes around them.
These climatic requirements limit the areas where truffles
from southern Europe can be grown in North America to
southern parts of the Midwest, northern parts of the
Southeast, parts of the Mid Atlantic States and a long
strip along the West Coast in California, Oregon and
Washington. Other areas may be suitable, including parts of
Texas, Oklahoma, Idaho, and Southwest British Columbia. If
your area is not mentioned, but you feel that it has a
relatively mild climate, please contact us. We can look up
climate data from your region. In areas with marginally
acceptable climates measures can be taken to mitigate
microclimatic conditions, including mulching, increasing or
decreasing plantation density, choice of site aspect and
irrigation.
I do not know if these are the same inoculum that Sharon used.
Hardiness varies. May wish to speak directly with her.
Contact: Sharon Day at 919-742-1200 or 919-623-3504.
Betsy Hilborn
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