Calla Lily Bulb Lipstick - Pack with One Large Calla Bulb Pack with one calla bulb "lipstick" The Calla Lipstick presents gentle cream spadices, surrounded by contrasting vivid pink spathes which fade to spring green at the floral chamber; where the magnificent flower head is held up by succulent tube-like stems. Hardy in zones 7-10 Calla Lilies are dramatic additions tooutdoor gardens with their distinctive funnel-shaped blossoms, but also make excellent cut flowers.