North American Fruit Explorers mailing list at ibiblio

["Jim Fruth" <jfruth@tds.net>]

My (two year old) Meader Persimmon winterkilled, down to the ground, last 
Winter when the temperature was only a balmy -28.

Jim Fruth
Brambleberry Farm
Pequot Lakes, MN  56472
For jams, jellies & syrups:
www.bberryfarm.com
(218)568-8483 [Store]
(218)831-7018 [My Cell]

In the meantime, "Meader" persimmon is the main one that is
already proven hardy to -30 F.  A lot of it depends on the fall
weather, though.  A fairly long, dry fall will induce greater hardiness
than a wet one, or one in which frost comes very early (like, while the
fruit isn't fully ripe).
-Lon Rombough