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Blue flag iris

Blue flag iris

Iris versicolor
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  • Violet-blue flowers for long, striking bloom in the summer.
  • Ideal for pond edges and swamp zones in the garden.
  • Supports bees and butterflies as a valuable nectar plant.
  • Winter-hardy and low-maintenance - little care needed.
  • Thrives in wet soils and damp conditions.
Iris versicolor Blue Flag, also called Northern Blueflag, is a hardy wetlands iris with graceful, sword-shaped leaves and striking blue-violet blooms. It is a robust perennial that thrives in moist soils, forming clumps of sturdy rhizomes and delivering natural color to ponds and meadows. Grown from durable rhizomes, this iris brings dependable vigor and a classic blue palette to any garden setting, enhancing the landscape with its timeless charm.

Care & Watering

Iris versicolor likes moist, well-drained soil. Water regularly in dry spells to keep the root zone damp, but avoid waterlogged beds. In extreme heat, provide some shade midday. Mulch to retain moisture, trim seed heads after bloom, and avoid soggy crowns year-round.

Location & Soil

Plant near a pond edge or rain garden, in rich loamy soil with organic matter. Ensure good drainage and a slightly acidic to neutral pH for best tall blooms and healthy foliage.

Tips & Maintenance

Divide every 3–4 years in spring, remove spent blooms, and fertilize lightly with a balanced slow-release fertilizer for steady growth.

The Iris versicolor (American iris) brings wild elegance with striking purple and blue flowers. As a water- and marsh-plant, it is a natural mood-setter that adds color and texture to flowering borders. Perfect for those looking for standout flowers within the categories water and marsh plant, garden plants, and water and marsh plants, and it adds a lively accent to any planting plan.
Flowering months
June July August
Density per m2 5 a 7
Max height full grown 80 cm
Standing Part shade, Full sun
Properties Riparian plant zone 1
Flower color Blue
Leaf color Green

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Pickup 15% discount

Kleine Dries 25 - 8600 Diksmuide   

  • Discount not combinable with other promotions

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Delivery costs

BE € 4,95     NL € 5,95
DE € 6,95     FR € 9,95
AT € 14,95     DK € 16,95
IT € 16,95     ES € 19,95
SK € 19,95     CZ € 19,95
SE € 20,95     IE € 20,95
LU € 20,95    

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