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    • Photo of Iris missouriensis flower, landscape by Panayoti Kelaidis

    Photo by Panayoti Kelaidis

    Used with permission, all rights reserved

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    Iris missouriensis

    Also Known As

    • Rocky Mountain Iris
    • Rocky Mountain Iris
    • Western Blue Flag

    Plant type

    perennial

    size

    • H: 12"-24"
    • W: 8"-12"

    planting zones

    • 4a-10b

    More Options

    Iris missouriensis plant details

    Iris missouriensis is a broadleaf deciduous perennial with green foliage. In spring flowers emerge. Grows well with sun and regular - occasional water. A good option if you're seeking something verticillium wilt resistant.

    CHARACTERISTICS OF Iris missouriensis

    Plant type: perennial
    Plant family: iridaceae
    Foliage: deciduous green
    Mature size: 8 IN - 12 IN - wide, 12 IN - 24 IN - tall
    Uses: basket weaving, cutting garden, edging plant, fragrant, rock garden

    GROWING CONDITIONS for Iris missouriensis

    USDA Zones: 4a - 10b
    Sun exposure: sun
    Watering frequency: regular - occasional
    Resistant to: deer and rabbit, verticillium wilt

    Nursery contributed plant descriptions

    Blooms: spring-summer, blue/ deciduous foliage Zone 3-9. 2', PNW, part shade-shade, moist, well drained

    By: Keeping it Green Nursery

    This impressive Iris is about 2' tall, bearing handsome violet-blue flowers sometimes 5 across" (L.J. Clark); it blooms in early summer in wet catch-basins of essentially low-rainfall areas. Sun/Med-Dry

    By: Forestfarm

    Gardening facts about Iris missouriensis plant

    How to Grow Iris missouriensis

    • Sun Exposure

      • sun

    • Water Needs

      • regular - occasional

    • Special Situation

      • verticillium wilt resistant

    Features

    • Foliage Color

      • green

    • Wildlife

      • deer resistant
      • rabbit resistant

    • Flower Season

      • spring

    • Foliage Season

      • deciduous

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