Iris prismatica
Also known as: Information to be completed
An upright perennial, to around 70cm high, with slender rhizomes spreading to form clumps of narrow, grass-like green leaves. Flowers have violet blue standards, and narrow falls with white throats. Native to swamps and salt marshes and named for the angular shape of the seed capsules
Scientific classification
- Species
- Iris prismatica (Iris prismatica)
- Genus
- Iris
- Family
- Iridaceae
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Toxicity
- Bogs · 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 sun
- Sunlight
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- Ideal temperature
Iris prismatica pictures
Distribution of Iris prismatica
Distribution map
United States
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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 prismatica
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Iris prismatica care guide
- Even moist soil, tolerate short mild drought periods
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Even moist soil, tolerate short mild drought periods
Fertilizing
FertilizingBalanced iris feed every three weeks growing season
Pruning
PruningRemove spent flower stems after flowering, and any dying foliage in autumn
Propagation
PropagationPropagate by division, see dividing iris for more detailed advice
Growing
GrowingThrives in moist, humus rich, ideally neutral to slightly acid soil. Will tolerate part shade but flowering is best in full sun. Suitable for planting at the edges of ponds and streams, in a bog garden, or in a border where the soil does not dry out
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Common pests and diseases
Diseases
May be susceptible to aphid-borne viruses and grey moulds; see Iris diseases
Pests
May be susceptible to aphids, slugs, snails, thrips and iris sawfly
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