smooth iris
Also known as: Japanese iris
I. laevigata is a rhizomatous perennial to 70cm in height, with erect, sword-shaped leaves and rich purple flowers 8-10cm in width, each fall with a narrow white flash at the base
Scientific classification
- Species
- smooth iris (Iris laevigata)
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Bogs · Aquatic · Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Deciduous
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
smooth iris pictures
Distribution of smooth iris
Distribution map
Temperate 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 smooth iris
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smooth iris care guide
- Evenly moist root zone throughout growth, never leave rhizomes in stale water
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Evenly moist root zone throughout growth, never leave rhizomes in stale water
Fertilizing
FertilizingBalanced iris feed every three weeks during active spring and summer growth
Pruning
PruningNo pruning required
Propagation
PropagationPropagate by division from mid-summer to early autumn
Growing
GrowingGrow in moist to wet, deep, humus-rich, acid soil; thrives at the margins of ponds or streams. Tolerates some lime
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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 iris sawfly
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