University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Iris Species: sibirica Common Name: Siberian Iris Family: Iridaceae Order: Asparagales Native: Central Europe and Russia Habit: Rhizomatous Herbaceous Perennial Height: 2 to 4 feet Width: 1.5 to 2 feet Flowering Season: Spring Flower Color: Blue, purple, or white Propagation: Seed or division Zone: 3-8 Note: This rhizomatous plant is suitable for cutting gardens, perennial borders and along ponds or streams. Prefers sunny, moderately dry, well-drained, slightly acidic, moderately organic-rich soil.