Iris x robusta 'Dark Aura' AGM

Conservation Plant - HPS Number P105

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Conservation Plant

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Introduced: not known
By: Shropshire Group

Date added to the website: 9th Jun 2023
Date updated on the website: 7th Nov 2023

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Conservation Scheme information for Iris x robusta ‘Dark Aura’

ID: P105
Introduced: not known
By: Shropshire Group
Reason: Jennifer Hewitt purchased in 1979 (supplier unknown). She introduced it to cultivation originally registered as Iris virginica ‘De Luxe’ in 1987 with American Iris Society. That name was found to be invalid according to the International Code of Nomenclature for Cultivated Plants (ICNCP) and was renamed and registered as x robusta ‘Dark Aura’ in 1996. Awarded RHS AGM in 2005.
Verified by: British Iris Society
Description: Rhizomatous herbaceous perennial. Iris x robusta are natural hybrids of I. versicolor and I. virginica.
Dimensions: 100cm x 50cm
Flowers: Dark purple stems to 90cm carry a number of small flowers. Standards are cupped, erect, violet. Falls are drooping, violet, with a yellow, white-edged signal.
Foliage: Narrow leaves, dark red in spring, becoming green with a purple tinge at the base.
Soil: Neutral to acid moisture retentive soil.
Aspect: Full sun or part-shade
Pests: Generally no problems.
Cultivation: Needs moisture - good for marginal or bog garden planting.
Propagation: Divide rhizomes after flowering, leaving 2 or 3 leaf fans per division.

Extended plant information for Iris x robusta ‘Dark Aura’

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Articles and Publications linked to this species

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