• Overview
    Watering Needs:
    Needs wet or constantly moist soil.
    Average Landscape Size:
    Moderate growing to 24 in. tall, 18 to 24 in. wide
    Key Feature:
    Woodland Garden
  • Detail
    Botanical Pronunciation:a-STIL-bee ar-END-see-eye
    Plant type:Perennial
    Deciduous/evergreen:Herbaceous
    Sunset climate zones:1 - 7, 14 - 17, 32 - 45
    Growth rate:Moderate
    Average landscape size:Moderate growing to 24 in. tall, 18 to 24 in. wide
    Special features:Attracts Butterflies
    Foliage color:Green
    Blooms:Summer
    Flower color:Red
    Flower attributesFlowers for Cutting
  • Care
    Care Information
    Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. For a neat appearance, remove old foliage before new leaves emerge. Divide clumps every 2 to 3 years in early spring.
    Watering Needs:
    Water needs: High
    Needs wet or constantly moist soil.