Callas are native to South Africa and seem to thrive on the hottest days of summer, when other flowers fade.
Since they are only hardy in Zones 9-11, they are treated as a summer bulb in the other zones, and should be
planted out after the danger of frost has passed in your area.
The flowers are borne on a fleshy spandix and are rather insignificant. The showy petal-like spathe that surrounds
the flowers is the real beauty, and is often recurved towards the top. Colors range from white, yellow, pink, reds and salmon.
The elegant leaves are usually heart or arrow-shaped and can be spotted with white, or just dark green
and unmottled. It is recommended that you feed them biweekly with a balanced soluble fertilizer.
At the end of the season as the leaves start to fade, reduce watering and allow the soil to dry out before the
first frost. Dig rhizomes after the foliage has died back and store in sand or peat, in a frost-free location.
