By Sanremo
United States 
would it be safe to plant a calla lily picasso (zantedeschia) in usa massachusetts as a perrenial would i survive the winter thank you for your time. carla foley
5 Jun, 2011
Previous question
Sorry, Sanremo, it's only hardy to zone 9, and Massachusetts is much too cold for it to survive the winter. I would grow it in a generous pot, plunge the pot into the ground in winter, take the pot up in the fall, and store it somewhere cool, but frost free through the winter.
5 Jun, 2011