Japanese water iris

How to Grow and Care for Japanese water iris

Japanese water iris · Iris ensata
Also known as: Japanese flag; Japanese iris; sword-leaved iris

Grow in moist to wet, deep, humus-rich, acid soil; it thrives at the margins of ponds or streams

Watering: Keep root zone evenly moist, never waterloggedSunlight: Full shade · Partial shadeHarmful if eaten. Wear gloves and other protective equipment when handling

Planting and Growing Japanese water iris

Japanese water irisJapanese water irisJapanese water iris
Care difficulty2 / 5
Watering scheduleKeep root zone evenly moist, never waterlogged
Sunlight requirementsFull shade · Partial shade
Ideal temperatureInformation to be completed
Soil typeClay · Loam
Soil pHAcid
Soil moisturePoorly drained
FertilizingBalanced feed in spring and light feed during growth
ToxicityHarmful if eaten. Wear gloves and other protective equipment when handling
Care Tips

Grow in moist to wet, deep, humus-rich, acid soil; it thrives at the margins of ponds or streams

How to Water Japanese water iris?

Keep root zone evenly moist, never waterlogged

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What Are the Sunlight Requirements for Japanese water iris?

Full shade · Partial shade

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What Is the Ideal Temperature Range for Japanese water iris?

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What Soil Is Best for Japanese water iris?

Soil type
Clay · Loam
Soil pH
Acid
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What Are the Moisture Requirements for Japanese water iris?

Poorly drained

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How to Fertilize Japanese water iris?

Balanced feed in spring and light feed during growth

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How to Prune Japanese water iris?

Remove any dying foliage in autumn, old flower stems can be cut down after flowering

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How to Propagate Japanese water iris?

Propagate by division of rhizomes from midsummer to early autumn

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How to Transplant Japanese water iris?

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How to Care for Japanese water iris in Winter?

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How to Plant Japanese water iris?

Grow in moist to wet, deep, humus-rich, acid soil; it thrives at the margins of ponds or streams

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How to Repot Japanese water iris?

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How to Harvest Japanese water iris?

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Common Pests & 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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The Toxicity of Japanese water iris

Harmful if eaten. Wear gloves and other protective equipment when handling

More General Info About Japanese water iris

Attributes of Japanese water iris

Plant typeHerbaceous Perennial
Height0.5-1 metres
Spread0.1-0.5 metres
FoliageDeciduous
HabitClump forming
OriginEastern Asia

Scientific Classification

Species
Iris ensata
Genus
Iris
Family
Iridaceae
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FAQs About Japanese water iris

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