Calla Hardiness
Thu, 21 Oct 2010 08:52:11 PDT

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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