General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Maximum recommended zone: Zone 8b
Plant Height: 3-4 feet
Plant Spread: 1.5-2 feet; a noxious weed in many jurisdictions (spreads by seed)
Leaves: Deciduous
Flowers: Showy
Flower Color: Yellow
Bloom Size: 2"-3"
Flower Time: Summer
Late summer or early fall
Underground structures: Taproot
Uses: Cut Flower
Dried Flower
Wildlife Attractant: Bees

Image
Common names
  • Lemon Fluff Knapweed
  • Armenian Basket Flower
  • Yellow Hardhead
  • Bighead Knapweed
  • Giant Knapweed

Photo Gallery
Location: All pictures taken in/on my gardens/greenhouse/property
Date: 2018-07-13
bumbles love it
Location: Riverview, Robson, B.C.
Date: 2007-07-26
 11:16 am. Distinguished golden mop-heads.
Location: Riverview, Robson, B.C.
Date: 2007-07-26
 11:16 am. A bright golden glow seems to surround them.
Uploaded by pinkiris
Location: My garden in Kalama, Wa. Zone 8
Date: 2012-06-21
  • Uploaded by Joy
Location: My garden in Belgium
Date: 2009-07-11
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2010-07-03
Location: All pictures taken in/on my gardens/greenhouse/property
Date: 2017-06-27

Courtesy Outsidepride
  • Uploaded by vic
Location: In my garden in Kalama, Wa.
Date: 2011-06-26
  • Uploaded by Joy
Location: My Garden
Date: 2013-07-21
Uploaded by LauraH1
Location: Botanical Garden Cologne (Germany)
Location: Botanical Garden Cologne (Germany)
Location: My garden in Kalama, Wa. Zone 8
Date: 2012-06-21
  • Uploaded by Joy
Location: In my garden in Kalama, Wa. Zone 8b
Date: 2012-06-21
  • Uploaded by Joy

Courtesy Crownsville Nursery
  • Uploaded by vic
Location: In my garden in Kalama, Wa.
Date: 2008-05-06
  • Uploaded by Joy
Location: My garden in Belgium 
Date: 2010-08-26
Location: My garden in Belgium
Date: 2009-07-31
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2010-07-03
Location: Bogie Lake Greenhouse, White Lake, MI
Date: 2010-07-03

photo by ghislain118
Location: In my garden in Kalama, Wa.
Date: 2008-06-26
  • Uploaded by Joy
Location: Kalama, Wa
Date: 2009-08-14
  • Uploaded by Joy
Location: My garden in Kalama, Wa. Zone 8
Date: 2012-06-16
  • Uploaded by Joy
Comments:
  • Posted by KFredenburg (Black Hills, SD - Zone 5a) on Jun 9, 2020 10:07 AM concerning plant:
    Centaureas are attractive additions to a sunny border. Allow mountain blues to spread in a naturalistic meadow garden. Grow the large, bold globe centaurea as a specimen and use its bright yellow flowers for dried arrangements.
  • Posted by Mindy03 (Delta KY) on May 11, 2012 5:41 PM concerning plant:
    Valuable source of nectar and pollen for honey bees.

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