Re: [Aroid-l] Arum - minimum temperatures

Peter,
Here in coastal New Jersey, USA, the first 4 have survived -17C. Arum italicum leaves recover but look battered. Concinnatum winter leaves did not, but new ones replace them in spring. Apparantly dioscoroides against an east wall with some wind protection did not survive. Don't know about hygrophilum, trying it this year in a coldframe.

Bonaventure
Hi, can you please give me some recommendations?
Who can tell me the minimum (night) Temperature of the follwoing Aroids?
All are still green or are about to developing new leaves, that meens that the temperature shouldn't harm them.

I was just able to find some dormancy temperatures from aroid.org:
But this can't be the minimum of the plant if they are still or getting green?!

Sauromatum venosum (Zone 5b) -26°C
Drancuncuus vulgaris (Zone 5b) -26°C
Arisarum vulgare (Zone 7b) -17°C
Arum italicum/Arum pictum (unclear what i realy have Smile) (Zone 7b) -12°C
Arum hygrophyllum
Arum dioscoridis var. cyprium (Zone 8 ) -6°C

thanks
Peter
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