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  additions for the Aroid hardiness list
From: "Alan Galloway" <alan_galloway at bellsouth.net> on 2009.06.24 at 18:16:38(19455)
I've been testing the following aroids outside in the garden (Raleigh, NC,
USA),
USDA zone 7b. Some have been planted out for as long as 6 years, while
others have only been outside for 3 years. But given the winter we just
had,
I feel reasonably comfortable that they can be considered cold hardy.

Other folks may have already discovered these to by cold hardy, but they
currently
aren't listed on the IAS aroid hardiness list:
http://aroid.org/horticulture/hardy.php

Amorphophallus:
henryi
yuloensis
dunnii
symonianus
krausei
thaiensis

Arisaema:
barnesii
jinshajiangense
muratae

Arum:
albispathum
hygrophilum
nigrum

Carlephyton
madagascariense

Colocasia
heterochroma

Remusatia
hookeriana

Spathantheum
fallax

Typhonium
diversifolium
horsfieldii
trilobatum

alan

+More
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