Alphabetical Plant Listing

Zantedeschia (Calla Lily)

Calla Lily, Arum Lily (Zantedeschia)


Native to South Africa, Zantedeschia (Calla Lilies) have become popular garden or household plants. Mainly grown for their magnificent, chalice-shaped flowers (spathe) surrounding a yellow finger-like stalk (spadix), and their arrow-shaped, spotted leaves, they are not true lilies, but are arum (Jack-in-the-pulpit) family members. Whether used in borders, containers or as cut flowers, they always provide a spectacular effect with their rich, cheerful colors.

Zantedeschia species are perennials in tropical and subtropical areas, and some species remain evergreen year-round provided they are given adequate moisture at all times. There are 2 main types of Zantedeschia:

Hardy Zantedeschia (Zantedeschia aethiopica) or Arum Lilies

  • They generally display pure white flowers and can survive in hardiness zones 7 or 8. They can easily tolerate freezing temperatures. Although the foliage of these plants will die back during the winter, they will survive and will emerge in the spring as if nothing had happened. However, applying an ample layer of mulch in the fall would help get these plants through winter.

Guide Information

Hardiness 7 - 10
Heat Zones 4 - 10
Climate Zones 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Bulbs
Plant Family Zantedeschia - Calla Lilies
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 1' - 3' (30cm - 90cm)
Spread 1' - 2' (30cm - 60cm)
Spacing 12" (30cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Cut Flowers, Showy
Tolerance Clay Soil, Deer, Rabbit, Wet Soil
Landscaping Ideas Beds and Borders, Patio and Containers, Ponds and Streams
Garden Styles Informal and Cottage

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.

Guide Information

Hardiness 7 - 10
Heat Zones 4 - 10
Climate Zones 5, 6, 7, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Bulbs
Plant Family Zantedeschia - Calla Lilies
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Fall
Height 1' - 3' (30cm - 90cm)
Spread 1' - 2' (30cm - 60cm)
Spacing 12" (30cm)
Depth 4" (10cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Cut Flowers, Showy
Tolerance Clay Soil, Deer, Rabbit, Wet Soil
Landscaping Ideas Beds and Borders, Patio and Containers, Ponds and Streams
Garden Styles Informal and Cottage
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