Iris 'Blue King'
Also known as: Information to be completed
A rhizomatous, clump-forming, herbaceous perennial with linear, strap-like, bright green leaves and erect stems, up to 1.2m tall, bearing deep violet-purple flowers with veined yellow throats from May into June. Perfect for planting beside water, such as a pond

Scientific classification
- Species
- Iris 'Blue King' (Iris 'Blue King')
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 1-1.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming · Columnar upright
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Iris 'Blue King' pictures
Distribution of Iris 'Blue King'
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 'Blue King'
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Iris 'Blue King' care guide
- Medium moisture in growth, then drier once flowering fully finishes
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Medium moisture in growth, then drier once flowering fully finishes
Fertilizing
Diluted iris feed every three to four weeks during spring bloom
Pruning
Cut back old flower stems after flowering and remove dying foliage in autumn
Propagation
Propagate by division of the rhizome shortly from mid-summer to early autumn. See dividing irises
Growing
Grow in any moist but not waterlogged, neutral to slightly acidic soil in full sun or partial shade. In drier soils, dig in well-rotted manure before planting and apply as a mulch each spring
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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 and snails
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