Lemon Fluff Knapweed (Centaurea macrocephala)

Common names:
Give a thumbs up Lemon Fluff Knapweed
Give a thumbs up Armenian Basket Flower
Give a thumbs up Yellow Hardhead
Give a thumbs up Bighead Knapweed
Give a thumbs up Giant Knapweed
Give a thumbs up Armenian Basketflower

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

bumbles love it

Honey Bees in the Garden... AugustHoney Bees in the Garden... August
August 1, 2011

August is another hot month for both gardeners and honey bees. Water for plants and honey bees remains a top priority. You may also find the honey bees you encounter are more aggressive than they have been since spring. That's because they are anxious to store enough food to last the colony through the coming winter. Be careful when you bend to sniff a flower, a honey bee might be there and will think you are trying to get the nectar for yourself.

(Full article10 comments)
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Photo gallery:
Image
By pinkiris
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Location: My garden in Kalama, Wa. Zone 8Date: 2012-06-21
By Joy
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Location: In my garden in Kalama, Wa.Date: 2011-06-26
By Joy
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By LauraH1
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Location: Riverview, Robson, B.C.Date: 2007-07-26 11:16 am. Distinguished golden mop-heads.
By HemNorth
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Location: Riverview, Robson, B.C.Date: 2007-07-26 11:16 am. A bright golden glow seems to surround them.
By HemNorth
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Location: Kalama, WaDate: 2009-08-14
By Joy
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Location: In my garden in Kalama, Wa.Date: 2008-05-06
By Joy
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Location: In my garden in Kalama, Wa.Date: 2008-06-26
By Joy
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Location: My garden in Kalama, Wa. Zone 8Date: 2012-06-16
By Joy
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Location: My garden in Kalama, Wa. Zone 8Date: 2012-06-21
By Joy
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Location: In my garden in Kalama, Wa. Zone 8bDate: 2012-06-21
By Joy
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Courtesy Outsidepride
By vic
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Courtesy Crownsville Nursery
By vic
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Comments:
Posted by Mindy03 (Delta KY) on May 11, 2012 5:41 PM

Valuable source of nectar and pollen for honey bees.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Yellow flower, almost thistle-like by threegardeners Jul 30, 2016 1:22 PM 14

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