Zantdeschia hardiness

Steve Marak
Sun, 14 Jun 2009 09:20:41 PDT
On Sun, 14 Jun 2009, Jim McKenney wrote:

> Is anyone out there growing Zantedeschia in the garden year round in zones
> colder than USDA zone 8?


Most of the hybrids and several species I've tried outdoors here (NW 
Arkansas, USDA zone 6 historically, zone 7 since 2000) have wintered over 
well, with the notable and to me counterintuitive exception of Z. 
aethiopica, though I suspect it would be fine in some other zone 6 

I've had several of them outdoors since the early 1990's, so I'm confident 
enough now that for hybrids, especially those which obviously have 
rehmannii in their makeup, I just plant them out and forget them. They'll 
be flowering any time now. The large yellow hybrids ("elliottiana" types) 
also do well. 

No data yet on jucunda or odorata - they're recent acquisitions and I 
don't have enough stock to risk yet.


-- Steve Marak

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