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hardy  Aroids)" <ARISAEMA-L at NIC.SURFNET.NL> Aroids)" <ARISAEMA-L at NIC.SURFNET.NL>
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From: "George R. Stilwell, Jr." <GRSJr at WORLDNET.ATT.NET>
Subject: Arisaema in the cold soil vs the warm soil
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>
>#2: Some Arisaema are VERY late to emerge. Candidissimum to mention one.
>Why? Do they need higher soil temperatures?
>Do they need longer period of reasonable soil temperature?
>Could I start them early by laying down soil warming cable?
>Would they survive better if started earlier?

Gote,

They emerge much later here too. Our soil temperatures are quite warm  ev=en
in early spring, yet candidissimum arises no earlier than July.
A. tortuosum also arises later here with one particular plant emerging in
August.

I rather doubt that soil warming will hasten them.