Japanese water iris
Also known as: Japanese flag; Japanese iris; sword-leaved iris
I. ensata is an herbaceous perennial to 80cm in height, forming a dense clump of erect foliage, with rich violet-purple flowers 10-12cm in width in mid summer, the broad, rounded falls each with a small white or yellow midrib
Scientific classification
- Species
- Japanese water iris (Iris ensata)
- 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
- Clump forming
- Habit
- Spring · Summer
- Season of interest
- Full shade · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Japanese water iris pictures
Distribution of Japanese water iris
Distribution map
Eastern Asia
Information to be completed
Culture
Information to be completed
Toxicity
Harmful if eaten. Wear gloves and other protective equipment when handling
Quick identification of Japanese water iris
Information to be completed
Japanese water iris care guide
- Keep root zone evenly moist, never waterlogged
- Watering
- Full shade · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Keep root zone evenly moist, never waterlogged
Fertilizing
FertilizingBalanced feed in spring and light feed during growth
Pruning
PruningRemove any dying foliage in autumn, old flower stems can be cut down after flowering
Propagation
PropagationPropagate by division of rhizomes from midsummer to early autumn
Growing
GrowingGrow in moist to wet, deep, humus-rich, acid soil; it thrives at the margins of ponds or streams
People also ask
Information to be completed
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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