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    • Photo of Centaurea montana form by Stefan.lefnaer

    Photo by Stefan.lefnaer

    This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.

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    Centaurea montana

    Also Known As

    • Cyanus montanus
    • Mountain Bluet
    • Mountain Cornflower
    • Perennial Bachelor Buttons
    • Perennial Cornflower

    Plant type

    perennial

    size

    • H: 18"
    • W: 18"

    planting zones

    • 3a-8b

    More Options

    Centaurea montana plant details

    Centaurea montana is a broadleaf semi-evergreen perennial with blue foliage. In fall, spring and summer blue flowers emerge. Attracts bees making it an excellent addition to pollinator gardens. Grows well with sun and regular - low water. Does well in average, gritty and well-drained soil. A good option if you're seeking something heat tolerant.

    CHARACTERISTICS OF Centaurea montana

    Plant type: perennial
    Plant family: asteraceae
    Foliage: semi-evergreen blue
    Mature size: 18 IN wide, 18 IN tall
    Flowers: blue blooms in fall, spring and summer
    Uses: border plant, cottage garden, long-blooming

    GROWING CONDITIONS for Centaurea montana

    USDA Zones: 3a - 8b
    Sun exposure: sun
    Watering frequency: regular - low
    Resistant to: heat
    Soil needs: average, gritty and well-drained

    Nursery contributed plant descriptions

    Centaurea montana, the perennial bachelor's button, is a cottage garden classic with feathery, royal blue flowers with dark pink centres. Plants will re-bloom almost endlessly if cut back after the first flowering.

    By: Phoenix Perennials and Specialty Plants Ltd.

    From Europe (montana doesn't meant Montana but Mountain!) but the bloom looks more like it came from another planet! Quite Star Trek-y if you look closely and you should!. Strange but beautiful enough that members have put 32 photos on Dave's Garden! Stoloniferous and does spread if happy. Needs to be divided every 2-3 years so it's a pass-along plant. Solitary, fringed, rich blue cornflowers to 2" in diameter with reddish blue centers and black-edged involucre bract in late spring on 1-2' un-branched stems. Lance-shaped lower leaves to 7" are grey green. Drought tolerant when established.

    By: Lazy S'S Farm Nursery

    Gardening facts about Centaurea montana plant

    How to Grow Centaurea montana

    • Sun Exposure

      • sun

    • Water Needs

      • regular - low

    • Soil Needs

      • average
      • well-drained
      • gritty

    • Special Situation

      • heat tolerant

    Features

    • Foliage Color

      • blue

    • Flower Color

      • blue

    • Wildlife

      • bees

    • Flower Season

      • spring
      • summer
      • fall

    • Foliage Season

      • semi-evergreen

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