Iris chrysographes
Gold-marked iris, Black iris
Iris Iris
I. chrysographes - I. chrysographes is a rhizomatous, herbaceous perennial with flat, linear, grey-green leaves and, in early summer, lightly fragrant, dark purple to dark reddish-purple flowers with gold-marked falls.
Iris chrysographes is: Deciduous
Clump-forming, Erect
Ingestion may cause severe discomfort.
RHS AGM (Award of Garden Merit)
Reddish-purple, Dark-purple in Summer
Grey-green in Spring; Grey-green in Summer
Grey mould , Iris rhizome rot Grey mould , Iris rhizome rot
Remove faded or dead foliage in autumn. Cut down old flower stems after flowering.
Division
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Iris chrysographes (Gold-marked iris) will reach a height of 0.5m and a spread of 0.3m after 2-5 years.
Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wallside and trellises, Waterside
Grow in most soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted manure before planting and apply as a mulch each spring.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Moisture-retentive, Well-drained
Acid, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Iris chrysographes
Gold-marked iris, Black iris
Iris Iris
I. chrysographes - I. chrysographes is a rhizomatous, herbaceous perennial with flat, linear, grey-green leaves and, in early summer, lightly fragrant, dark purple to dark reddish-purple flowers with gold-marked falls.
Southern China
Deciduous
Clump-forming, Erect
Ingestion may cause severe discomfort.
RHS AGM (Award of Garden Merit)
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Reddish-purple, Dark-purple in Summer
Grey-green in Spring; Grey-green in Summer
Remove faded or dead foliage in autumn. Cut down old flower stems after flowering.
Division
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Iris chrysographes (Gold-marked iris) will reach a height of 0.5m and a spread of 0.3m after 2-5 years.
Beds and borders, City, Coastal, Cottage/Informal, Flower Arranging, Wallside and trellises, Waterside
Grow in most soil that is preferably moist but not waterlogged. In drier soils, dig in well-rotted manure before planting and apply as a mulch each spring.
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Moist but well-drained, Moisture-retentive, Well-drained
Acid, Neutral
Partial Shade, Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3
Iris chrysographes (Gold-marked iris)
Red rice root aphid; Rice root aphid
Rhopalosiphum rufiabdominalis
Insect
Absent
3
3
Potentially significant glasshouse pest; growers should monitor for its presence. Routine aphid control should be effective in mitigating risk.
Iris chrysographes (Gold-marked iris)
common blossom thrips; cotton bud thrips; tomato thrips
Frankliniella schultzei
Insect
Absent
2
3
Polyphagous glasshouse pest; present in many countries; single finding in UK.
Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.
Traveling or importing plants? Please read "Don't risk it" advice here
Suspected outbreak? Click here for contact details to report to the relevant authority.
Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/
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This plant likes... | Garden match | |
Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
Soil drainage: | Moist but well-drained, Moisture-retentive, Well-drained | Tell us... |
Soil pH: | Acid, Neutral | Tell us... |
Light: | Partial Shade, Full Sun | Tell us... |
Aspect: | South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
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