Major excitement in the cold frame -Arum

aaron floden aaron_floden@yahoo.com
Thu, 16 Feb 2012 13:57:24 PST
Jim, 

 Curious to know what Arum you house in a cold frame vs. planting them outside. I know the topic of Arum hardiness has been discussed several times, but I find very few of the species on the tender side (those that died may not have been due to tenderness). 

 I grow the following outside for more than two winters with lows to 7F and nearly a week, last year, of high daytime temperatures below freezing. This winter has not been a challenge for anything. None of these get special treatment; no amended soil, extra mulch, near the house, etc. Surprisingly A. pictum looks better outside than concinnatum, hygrophilum, and one clone of italicum from southern Italy. Arum idaeum and A. apulum died the first winter here, but was not likely cold that did it. 

 Arum albispathum
 Arum alpinum 2-4 clones
 Arum aff. byzantinum
 Arum concinnatum 4 clones
 Arum creticum ex Pilous
 Arum dioscoridis
 Arum hygrophilum 
 Arum italicum numerous clones
 Arum maculatum
 Arum nigrum 2 clones
 Arum orientale
 Arum pictum ex Ceni
 Arum rupicola 2 clones
 Arum sintensii

 Aaron
 Knoxville, TN zone 6-7

--- On Fri, 2/17/12, Jim McKenney <jamesamckenney@verizon.net> wrote:

From: Jim McKenney <jamesamckenney@verizon.net>
Subject: [pbs] Major excitement in the cold frame
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Date: Friday, February 17, 2012, 12:32 AM

 the cold frame is seriously overcrowded (the Arums have to go), 



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