• Overview
    Light Needs:
    Full sun
    Watering Needs:
    Water weekly or more often in extreme heat; less often when established.
    Average Landscape Size:
    Clumps reach 1 to 3 ft. tall and 2 to 3 ft. wide; flower spikes to 3 ft. tall.
    Key Feature:
    Waterwise
    Blooms:
    Summer through fall.
  • Detail
    Botanical Pronunciation:PEN-steh-mun meks-ih-KAL-ee
    Plant type:Perennial
    Growth rate:Moderate
    Average landscape size:Clumps reach 1 to 3 ft. tall and 2 to 3 ft. wide; flower spikes to 3 ft. tall.
    Foliage color:Green
    Blooms:Summer through fall.
    Flower color:Purple
    Garden styleCottage, Rustic
    Companion PlantsBlanket Flower (Gaillardia); Black-Eyed Susan (Rudbeckia); Blue Fescue (Festuca glauca); Avens (Geum); Shasta Daisy (Chrysanthemum)
  • Care
    Care Information
    Provide well-drained soil. Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Drought tolerant when established; blooms best with regular moisture. Shear mid- to late summer to allow a new flush of flowers.
    Light Needs:
    Light needs: Full Sun
    Full sun
    Watering Needs:
    Water needs: Moderate
    Water weekly or more often in extreme heat; less often when established.
  • History & Lore
    History:
    A 1999 Plant Select® winner, selected for outstanding garden performance throughout the high plains and inter-mountain areas of the Rocky Mountain region. Plant Select® is a collaboration of Colorado State University, Denver Botanic Gardens, and the green industry, helping gardeners and horticultural professionals transform the American landscape to a vibrancy inspired by our western regional landscape.

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