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Dietes bicolor
Also called African Iris, Peacock Flower, Yellow Fortnight Lily
In Singapore: Yellow Wild Iris, Peacock Flower, Evergreen Iris, Fortnight Lily, African Iris, 双色野鸢尾 (Grown in Singapore)
Dietes bicolor is a clump-forming, evergreen rhizomatous perennial from South Africa with sword-like leaves and pale yellow, purple-spotted flowers in spring and summer. It is very drought tolerant and grows best in sun to dappled shade.
Dietes bicolor, the African iris, butterfly flag, fortnight lily, or peacock flower, is a clump-forming rhizomatous perennial plant with long sword-like evergreen pale green leaves, growing from multiple fans at the base of the clump. This species belongs to the iris family Iridaceae. It can form large clumps if left undisturbed for years. It is commonly cultivated in its native South Africa, where it is often used in public gardens, beautification of commercial premises and along roadsides. It is also cultivated in mild temperate zones elsewhere.
The blooms, appearing in spring and summer, are pale yellow with three dark purple spots, which may be so dark as to appear black. Each is surrounded by an orange outline. They are followed by a capsule that may bend the flower stalks to the ground. Ripe seeds (dark brown in colour) are dispersed when the capsule dries and splits.
Plants prefer dappled-shade to full sun where they will flower in profusion, though they will grow in shaded areas (with an accompanying loss of flower production). This species, as well as Dietes grandiflora, is very drought tolerant.
[Contains information from Leaf Area Index (LAI) and Heritage Trees from data.gov.sg (National Parks Board), made available under the terms of the Singapore Open Data Licence version 1.0]
Text excerpted from the Wikipedia article Dietes bicolor by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
