NOT AVAILABLE UNTIL MAY 1, 2012. Calla Lilies are most certainly perennial. In your region, a very mild usda zone seven, you can plant all your Calla Lilies in the ground and if you water and feed them they will all grow vigerously. Large white flowers.

NOT AVAILABLE UNTIL MAY 1, 2012. In recient years, breeders have come up with many varieties of pink calla's. Most of the colored varieties are smaller than the original large white.