Do calla lilies grow better in pots or in the ground?
Both options are absolutely fine. However growing calla lilies in a pot could be more tricky as drainage is key. If you have your calla bulbs planted in soggy poorly draining soil or your pots do not allow sufficient drainage your calla bulbs will rot. 

How long does it take to grow calla lilies from bulbs?
Calla lilies usually bloom within two to three months from planting. Some may bloom even later, at four months from planting, depending on the variety, temperatures and growing conditions.

How many flowers do you get from one calla lily bulb?
This highly depends on the variety and growing conditions. Given reasonably good care, each bulb should produce up to six blossoms during its flowering season. 

What month do you plant calla lily bulbs?
Calla lilies should be planted in the spring after all danger of frost has passed. In cold climates it's best to wait until the soil has warmed to at least 65°F. For a head start, you can plant the rhizomes in pots indoors about a month before planting them into the garden.

Do blue calla lilies exist?
No, blue calla lilies do not exist. If you see one, it has been spray painted.

Do calla lilies bulbs multiply?
Being a bulb, calla lilies spread by multiplying and creating other bulbs. These calla lily bulbs can be dug up and replanted in different locations. While these plants spread, they do so in a manner which is quite easy to control.

How do you multiply calla lily bulbs?
Slide a shovel under the roots and pry upward to lift the clump. Remove any remaining foliage and brush off the soil. Cut or break apart the rhizome, making sure each section has at least one eye. Let the rhizomes dry for a day to form a callus over the cut before replanting.

Can calla lilies be left in the ground over winter?
Calla lilies are not cold hardy. This means that calla lily winter care in some gardens will be different from other gardens. If you live in USDA plant hardiness zone 8 or higher, your calla lilies can survive the winter outdoors in the ground and do not need to be dug up.

Where does the name 'calla' come from?
The calla lily’s name derives from the Greek word calla, which means beautiful. The word is associated with the goddess Hera.

Are Calla Lilies Annuals or Perennials?
Calla lilies are perennials.

What is the Meaning of a Calla Lily?
The most popular calla lily meaning these days is that of purity, faithfulness and holiness.