University of Wisconsin-Madison | Botany Plant Growth Facilities

Botanical Garden

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Genus: Iris Species: pseudacorus Common Name: Yellow Iris Family: Iridaceae Order: Asparagales Native: Western Europe, northern Africa Habit: Rhizomatous Herbaceous Perennial Height: 3 to 5 feet Width: 2 to 4 feet Flowering Season: Spring to Summer Flower Color: Yellow Propagation: Seed or division Zone: 4-9 Note: This rhizomatous plant is suitable for water gardens, rain gardens, bog gardens, or near ponds and streams. Prefers sunny, fairly wet, sandy-loam, slightly acidic, moderately organic-rich garden soil.