General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Water Preferences: Mesic
Dry Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 8b
Plant Height: 12 inches
Plant Spread: 24 inches
Flowers: Showy
Flower Color: Pink
Bloom Size: 1"-2"
Flower Time: Late spring or early summer
Propagation: Other methods: Division

Image
Common names
  • Cornflower
  • Knapweed
Botanical names
  • Accepted: Psephellus simplicicaulis
  • Synonym: Centaurea simplicicaulis
Also sold as:
  • Centaurea simplicaulis

Photo Gallery
Location: Tarlton, OH
Date: 2017-08-06
Location: South Georgia, USA
Date: August 8, 2017
Location: Cedarhome, Washington
Location: all photos from my garden
Date: 2016-02-13
Location: Botanical Garden Utrecht (The Netherlands)
Date: 2016-06-30
Location: Cedarhome, Washington
Date: 2014-03-13
Emerging in spring
Comments:
  • Posted by Bonehead (Planet Earth - Zone 8b) on Mar 13, 2014 12:36 PM concerning plant:
    Nice filler plant. Does not self-seed as readily as c. montana. Cut to basal growth after blooms fade and you may get a second bloom.

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