black iris
Also known as: Information to be completed
I. chrysographes black-flowered is a rhizomatous perennial with narrow, grey-green leaves and very deep blackish-violet flowers in early summer with fine yellow veining on the falls
Scientific classification
- Species
- black iris (Iris chrysographes [Black-flowered])
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.1-0.5 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
black iris pictures
Distribution of black iris
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 black iris
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black iris care guide
- Water moderately, let surface dry slightly between irrigations
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Water moderately, let surface dry slightly between irrigations
Fertilizing
Low nitrogen feed in spring before and after bloom
Pruning
Remove any dying foliage in autumn, old flower stems can be cut down after flowering. Tall varieties can have their leaf fans trimmed to one third of the total height to reduce wind rock while the plants are establishing
Propagation
Propagate by division from midsummer to early autumn, plant immediately in flowering positions
Growing
Grow in well-drained, neutral to slightly acid loam in full sun or partial shade. Mulch in 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, snails and thrips
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