Iris versicolor, commonly known as Blue Flag Iris, is a striking North American native wildflower known for its violet-blue petals and yellow-white patterned falls.

About the 9 cm Bloom

A 9 cm flower (about 3.5 inches across) is:

• A healthy, mature bloom size

• Typical for well-established plants

• Considered medium-to-large for wild irises

Key Features

• Color: Blue to violet with yellow and white markings

• Height: 60–90 cm tall (24–35 inches)

• Bloom Time: Late spring to early summer

• Leaves: Sword-shaped, upright, bright green

• Habitat: Prefers wetlands, pond edges, and moist soils

Growing Conditions

• Light: Full sun to partial shade

• Soil: Moist to wet, slightly acidic

• Water: Consistently moist (excellent for rain gardens)

Interesting Fact

The species name versicolor means “variously coloured,” referring to its beautifully patterned petals.