blue flag

How to Grow and Care for blue flag

blue flag · Iris versicolor
Also known as: Boston iris; liver lily; North American blue flag; particoloured iris; purple iris; snake lily; wild iris

Grow in moist to wet deep, humus-rich, acid soil in full sun

Watering: Keep root zone evenly moist through growth without stagnant waterSunlight: Full sunHarmful if eaten. Wear gloves and other protective equipment when handling

Planting and Growing blue flag

Information to be completed

Care difficulty2 / 5
Watering scheduleKeep root zone evenly moist through growth without stagnant water
Sunlight requirementsFull sun
Ideal temperatureInformation to be completed
Soil typeClay · Loam · Sand
Soil pHAcid · Neutral
Soil moisturePoorly drained
FertilizingBalanced iris feed every three weeks in active spring and summer growth
ToxicityHarmful if eaten. Wear gloves and other protective equipment when handling
Care Tips

Grow in moist to wet deep, humus-rich, acid soil in full sun

How to Water blue flag?

Keep root zone evenly moist through growth without stagnant water

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What Are the Sunlight Requirements for blue flag?

Full sun

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What Is the Ideal Temperature Range for blue flag?

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What Soil Is Best for blue flag?

Soil type
Clay · Loam · Sand
Soil pH
Acid · Neutral
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What Are the Moisture Requirements for blue flag?

Poorly drained

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How to Fertilize blue flag?

Balanced iris feed every three weeks in active spring and summer growth

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How to Prune blue flag?

No pruning required

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How to Propagate blue flag?

Propagate by division from mid-summer to early autumn

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How to Transplant blue flag?

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How to Care for blue flag in Winter?

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How to Plant blue flag?

Grow in moist to wet deep, humus-rich, acid soil in full sun

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How to Repot blue flag?

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How to Harvest blue flag?

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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 blue flag

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

More General Info About blue flag

Attributes of blue flag

Plant typeAquatic · Bogs · Herbaceous Perennial
Height0.5-1 metres
Spread0.1-0.5 metres
FoliageDeciduous
HabitClump forming
OriginNorthern America

Scientific Classification

Species
Iris versicolor
Genus
Iris
Family
Iridaceae
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