blue iris
Also known as: spurious iris
A variable, clump-forming, rhizomatous perennial, 50-90cm tall with narrow, upright, greyish-green leaves and, in early summer, branched stems bearing up to five flowers with narrow falls and standards in shades of blue, purple, yellow or white
Scientific classification
- Species
- blue iris (Iris spuria)
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Columnar upright
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
blue iris pictures
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Distribution of blue iris
Distribution map
Europe, Northern Africa, Southwestern Asia
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Culture
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Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of blue iris
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blue iris care guide
- Moderate steady irrigation, minor dry topsoil will not hinder flower growth
- Watering
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Watering
Moderate steady irrigation, minor dry topsoil will not hinder flower growth
Fertilizing
FertilizingWeak iris nutrient feed every four weeks spring through summer season
Pruning
PruningRemove any dying foliage in autumn, old flower stems can be cut down after flowering
Propagation
PropagationPropagate by seed or by division
Growing
GrowingGrow in any fertile, moist but well-drained soil in full sun
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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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