• Overview
    Light Needs:
    Full sun
    Watering Needs:
    Water regularly to maintain wet or evenly moist soil - weekly or more.
    Average Landscape Size:
    Moderate growing; reaches 24 to 36 in. tall, 18 in. wide.
    Key Feature:
    Flowers for Cutting
    Blooms:
    Spring and Summer
  • Detail
    Botanical Pronunciation:EYE-ris en-SA-tuh
    Plant type:Perennial
    Deciduous/evergreen:Herbaceous
    Growth rate:Moderate
    Average landscape size:Moderate growing; reaches 24 to 36 in. tall, 18 in. wide.
    Foliage color:Gray-green
    Blooms:Spring and Summer
    Flower color:Purple
    Companion PlantsBee Balm (Monarda); Turtlehead (Chelone); Spiderwort (Tradescantia); Cardinal Flower (Lobelia); Joe-Pye Weed (Eupatorium)
  • Care
    Care Information
    Needs constantly moist, humus-rich and acidic soil. Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Cut back foliage to a height of 6 inches in the fall. Divide clumps every 2 to 3 years in early spring.
    Light Needs:
    Light needs: Full Sun
    Full sun
    Watering Needs:
    Water needs: High
    Water regularly to maintain wet or evenly moist soil - weekly or more.
  • History & Lore
    Lore:
    Japanese irises are typically the latest of iris to bloom, about a month after Siberian irises.