Zantdeschia hardiness
Russell Stafford, Odyssey Bulbs (Sun, 14 Jun 2009 18:07:03 PDT)

The cultivar 'Green Goddess has the reputation of being one of the
hardier cultivars -- it wintered most years for me in the snowbelt of
Southwest Michigan (USDA Zone 6a).

Russell

Russell Stafford
Odyssey Bulbs
PO Box 382
South Lancaster, MA 01561
508-335-8106
http://www.odysseybulbs.com/