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Iris robusta
Robust iris (Iris robusta), also called the Windermere iris, is a hybrid rhizomatous perennial with violet-blue flowers and purple-flushed foliage. Its key to success is a moist to wet site in full sun or part shade, as it is a bog-type iris.
Iris × robusta, called the Windermere iris, is a hybrid species of flowering plant in the family Iridaceae. Its parents are Iris versicolor and Iris virginica, both of which are native to North America. Wild populations have been found in Michigan and Ontario, and it has been introduced into Great Britain. It is a rhizomatous perennial, characterised by its violet-blue flowers and purple-flushed foliage. It has a number of cultivars, including 'Gerald Darby', 'Mountain Brook', 'Purple Fan' and 'Nutfield Blue'. Its cultivar 'Dark Aura' has gained the Royal Horticultural Society's Award of Garden Merit.
Iris acutiloba subsp. lineolata · Iris acutiloba · Iris adriatica · Iris afghanica · Iris alberti · Iris albomarginata · Iris alexeenkoi · Single Bract Iris · Iris antilibanotica · Stool iris · Iris arenaria · Iris assadiana
Text excerpted from the Wikipedia article Iris × robusta 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.
