iris 'Black Joker'
Also known as: Information to be completed
A clump-forming, compact perennial with narrow, sword-shaped mid-green leaves. In summer it bears fragrant, multi-coloured flowers with lavender-blue styles, violet standard petals and prominently veined deep-purple/brown falls that are suffused with golden-yellow.

Scientific classification
- Species
- iris 'Black Joker' (Iris 'Black Joker')
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial · Bogs
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
iris 'Black Joker' pictures
Distribution of iris 'Black Joker'
Distribution map
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Culture
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Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of iris 'Black Joker'
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iris 'Black Joker' care guide
- Medium moisture growing period, drier soil once flowering cycle fully finishes
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Medium moisture growing period, drier soil once flowering cycle fully finishes
Fertilizing
Diluted iris bulb feed every three to four weeks spring blooming season
Pruning
No pruning required. Cut back faded flower stems after flowering. Remove withered leaves in autumn.
Propagation
Propagate by division in late summer after flowering.
Growing
Grow in reliably damp soil that is rich in organic matter in a sun or partial shade. Can be grown as a marginal plant in ponds and along streamsides.
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Common pests and diseases
Diseases
May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases
Pests
May be susceptible to slugs, snails and thrips
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