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  Re: [Aroid-l] Arisaema disease
From: Steve Marak <samarak at gizmoworks.com> on 2017.07.30 at 15:46:20(23791)

I've experienced exactly what you describe here in NW Arkansas.

None of the Asian species I've tried outdoors here, including
sikokianum, candidissimum, ringens, fargesii, and others, last more
than about 5 years outdoors. They look good for a couple of years,
less good for a couple more, then just don't appear one spring. The
few I have now I keep in pots in the greenhouse, where they do fine
if I store them in the coldest corner over the winter.

We do have the arisaema rust here in native populations, and we do
grow the native species in the yard, but some of the Asian species
declined and disappeared without ever showing the characteristic
orange pustules you mention.




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