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From: Ellen Hornig <hornig at OSWEGO.EDU>
Subject: Re: Proper Winter Care for Arisaemas
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Jim McClements wants the nursery folk to weigh in on this, so I will, but
I can't add much to what he said.  I overwinter some stock dug, dried off=,
and refrigerated (usually after it has sat in open trays in the basement
until sometime between Thanksgiving and Christmas); most small tubers are
now replanted, in fall, into deep propagation flats (these are
marvelous 5" deep things obtained from Anderson Die and Manufacturing in
Oregon, the same folks who produce those ubiquitous deep band pots that
all nurseries of importance use, and I will use once I exhaust my supply
of other things).  In the deep flats, the tiny tubers are near the
surface, so by assumption don't stay wet over winter.  At present I have
many hundred sikokianum planted out this way; last time I dug a couple up=,
they looked good, but ask me again in May; they do rot easily, as Jim
says).  The deep flats are kept in the propagation house, which has hot
water pipes buried under sand and is kept at a steady 30-40F; they sit on
the sand, which helps drainage (the flats have mesh bottoms).  This is
only the second year I've grown them this way - results last year were
generally very good.

Tubers currently refrigerated, and too small for spring sales, will be
planted into the same deep flats in spring and left to bulk up for anothe=r
season.

Hope that helps-

Ellen
*******************************************************************
Ellen Hornig
Seneca Hill Perennials
3712 County Route 57
Oswego, New York 13126 USA
USDA zone 5B (mintemps -10 to -20F)
Phone:(315) 342-5915
Fax: (315) 342-5573
Website: www.senecahill.com