Calla lily can overwinter outdoors in these zones, but is damaged or killed if the temperature falls below 25°F. Put the pots in a sunny window to continue growing, or dig up the rhizomes and ...

Calla lilies. Technically, calla lily flowers are tiny and located on the yellow column, which is botanically known as a spadix. The showy white structure is a modified leaf called the spathe.

One of the most elegant and beautiful of the flowers that bloom in our spring gardens is the common calla lily (Zantedeschia aethiopica). Clumps of calla lilies in bloom never fail to attract ...

What began with one lily plant that belonged to her mother has become a collection stretching 100 yards. It's been a natural evolution for this woman who loves painting watercolors of flowers.

The waxy, long-stemmed calla lily captivated Georgia O'Keeffe in the 1920s. ... But O'Keeffe objected to this, and insisted that the point of painting any flower so closely and hypnotically was to ...