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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: "James W. Waddick" <jwaddick at KC.RR.COM>
Subject: Re: Hardiness of Arums
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Dear Jim;
Sorry for the late reply-been away.

I keep trying Arum species here in Zone 5 - probably colder
than where you are. Long term survivors include-

A italicum has gone through -20 winters (no snow) self sows
moderately and is essentially fool proof. ( a couple of strains)
A. maculatum    - same
A. nigrum       -same

Less long term (3 years +/-)but generally favorable
experience with the following:

A. elongatum
A. byzantinum
A. dioscoridis

These last three have gone through at least a few winters,
but none terribly severe.

New and very probable are
A. rupicola
A. orientale
A.idaeum

And I keep a few surely tender species in a cold greenhouse.
Eventually I'll sacrifice some just because.


Good luck               Jim W.
Dr. James W. Waddick
8871 NW Brostrom Rd.
Kansas City Missouri 64152-2711
USA
Ph.    816-746-1949
E-fax  419-781-8594

Zone 5 Record low -23F
Summer 100F +