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In order to introduce colours to the large white calla lilies, like the many colours available in the dwarf summer calla lilies, attempts have been made to hybridise Z. aethiopica with Z. elliotiana. These have resulted in albino progeny, which are non-viable. [citation needed]
The majority of insect pests on canna plants can be sprayed with a 70% isopropyl alcohol mist—diluted slightly—applied during non-sunny periods, as the alcohol may cause sunburn on the plant. Other effective options include insecticidal soap , neem and horticultural oils , and other commercially available spray treatments.
Zantedeschia are relatively hardy plants, but some are more winter-hardy than others. In this regard there may be considered two groups, a hardy outdoor group with large white flowers (arum lilies) and less hardy group with white-spotted leaves and flowers in many colours (calla lilies), such as yellow, orange, pink and purple. [17]
Zantedeschia albomaculata, commonly called the spotted calla lily [2] (although Calla is a genus unto itself) or the white spotted arum, is a species of flowering plant in the arum family, Araceae. [3]
Calla lily is a common name of several members of the family, Araceae. It may refer to: Calla palustris; Zantedeschia generally Zantedeschia aethiopica specifically;
Herb up to 3 m with stout, erect stems. Leaves large, oblong, acuminate. Flowers 10–13 cm. (4-5") long, honeysuckle-scented, borne in a short, terminal raceme; perianth tubular, the three outer petaloid lobes linear-oblong, convolute, reflexed, tinged green, the three inner ones straight and extended, recurved at end, white, tinted yellowish-green.
Lily usually refers to herbaceous plants of the genus Lilium, with large showy trumpet-shaped flowers. Many species are cultivated as ornamentals. Many species are cultivated as ornamentals. Many other plants not closely related to lilies are called lilies, usually because their flowers resemble lilies.
[2] [3] [4] This group has occasionally been referred to as the Année Group, after the originator, Théodore Année, the world's first Canna hybridizer. However, the use of an accented character in the name creates problems, both in pronunciation and keyboard entry, that it was felt that as they were grown primarily for foliage, then "Foliage ...