Calla lilies represent marital happiness and commitment, and the white blooms often are used in wedding bouquets. The flowers also are a traditional gift for a sixth wedding anniversary.
In addition to romantic symbolism, calla lilies are depicted in historical religious artwork. As a result, the flowers are associated with Easter and the themes of faith and holiness. White is the most common color of calla lily, but the flowers also bloom in black, green, orange, pink and purple. Purple calla lilies are associated with passion. The black flowers are an expression of sympathy, and they are an appropriate choice for a funeral display.