White flowers with yellow accents on the falls. Prefer consistently moist or boggy soil. Lanceolate foliage maintains its quality after flowering. Do not divide clumps unless flower production declines.

Scientific Name: I. sibirica 'Gull's Wing'
Zone: 3
Light: Sun to Light Shade
Height: 36"
New Shape: Upright
Foliage: Blue-green
Flower: White
Bloom Time: Jun