• 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 2 to 3 ft. tall, 1 1/2 ft. wide.
    Key Feature:
    Showy Flowers for Wet Soils
    Blooms:
    Spring and Summer
  • Detail
    Botanical Pronunciation:EYE-riss en-SA-tuh
    Plant type:Perennial
    Deciduous/evergreen:Herbaceous
    Growth rate:Moderate
    Average landscape size:Moderate growing; reaches 2 to 3 ft. tall, 1 1/2 ft. wide.
    Special features:Easy Care
    Foliage color:Gray-green
    Blooms:Spring and Summer
    Flower color:Purple
    Garden styleAsian/Zen, Cottage, Rustic
    Companion PlantsSedge (Carex); Bee Balm (Monarda); Spiderwort (Tradescantia); Cardinal Flower (Lobelia); Joe-Pye Weed (Eupatorium); Turtlehead (Chelone)
  • Care
    Care Information
    Provide organically rich, humusy, acidic, moisture retentive soil. Maintain evenly moist soil during first growing season to establish root system. Once established, tolerates soggy soils and standing water in growing season; reduce soil moisture during winter to prevent root rot. Remove old, faded foliage before new leaves emerge.
    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.