Calla Hardiness

Josh Young
Thu, 21 Oct 2010 09:41:36 PDT
Here in central Indiana there are several Calla cultivars that can be 
overwintered successfully!  I think we're zone 5 but are being reevaluated to 
zone 6?  

Anderson, IN

From: "" <>
Sent: Thu, October 21, 2010 11:52:11 AM
Subject: [pbs] Calla Hardiness

I agree with Ellen - many Callas are hardier than we think - I have seen a plant 
that closely resembles Z.albomaculata  (either a hybrid or selection of the 
species)  practically becoming invasive planted near the foundations of houses 
in both New Jersey and Rhode Island. Although the house does provide a winter 
buffer with the quantity of plants that were there they have been growing for 
quite a while. I am sure that over time the tubers have also migrated deep into 
the soil.



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