Centaurea Species, Basket Flower, Giant Knapweed, Globe Centaurea, Lemon Fluff Knapweed (Centaurea macrocephala)

by poppysue Aug 9, 2001 12:00 PM

by poppysue Aug 9, 2001 12:00 PM

This is a picture of a globe artichoke shrub I would call it. It has brown straw like flower but it blooms into a yellow or pink flower after the bulb here has been opened.

by savorylips Jun 17, 2002 8:40 PM

seed head and seed

by mystic Aug 25, 2002 5:13 PM

Centaurea macrocephala, Giant Knapweed Seward, Alaska Mid August 2002

by Weezingreens Aug 31, 2002 5:55 PM

Could you please tell me what type of flower/plant/weed this is..

by scotty59 Jul 11, 2003 12:31 AM

4 foot tall with multiple flowerheads in July. Excellent specimen plant. Deadheading lenghthens bloom time. I bouhgt as "Globe Centaurea".

by Wandasflowers Sep 18, 2003 10:13 AM

Centaurea macrocephala and a bee

by saya Mar 13, 2005 9:06 AM

5 days from seed. These produce large seedlings. The leaves are about 1 inch long and 1/2 inch wide.

by Kim_M Mar 29, 2005 9:02 AM

Centaurea macrocephala

by LilyLover_UT Sep 10, 2005 6:30 AM

Centaurea macrocephala

by LilyLover_UT Jun 14, 2006 11:32 PM

by ladygardener1 Jun 28, 2006 11:03 PM

by ladygardener1 Jun 29, 2006 10:07 PM

Seed head opened "Who left the lid up"

by ladygardener1 Aug 13, 2006 11:21 PM

4 day old seedling of Centaurea macrocephala

by distantkin Feb 27, 2008 8:34 PM

Armenian Basketflower

by doctorofposies Jun 17, 2008 11:32 AM

Bide A Wee cottage garden June 25 2008

by kniphofia Jun 25, 2008 8:53 PM

Wallington Hall July 30 2008

by kniphofia Jul 31, 2008 1:13 AM

looking down on the bloom

by ladygardener1 Jun 28, 2009 1:52 AM

The first sign of color.

by ladygardener1 Jun 28, 2009 1:52 AM

Short-lived bloom

by mslehv Feb 17, 2011 7:36 PM

Bogie Lake Greenhouse, White Lake, MI

by DaylilySLP Mar 10, 2011 9:59 AM

Bogie Lake Greenhouse, White Lake, MI

by DaylilySLP Mar 10, 2011 9:59 AM

Bogie Lake Greenhouse, White Lake, MI

by DaylilySLP Mar 10, 2011 10:00 AM

Bogie Lake Greenhouse, White Lake, MI

by DaylilySLP Mar 10, 2011 10:00 AM

UBC Botanical Garden

by growin Jul 31, 2011 9:04 AM

UBC Botanical Garden

by growin Jul 31, 2011 9:05 AM

UBC Botanical Garden

by growin Jul 31, 2011 9:05 AM

UBC Botanical Garden

by growin Jul 31, 2011 9:05 AM

centaurea machrocephala and veronica spicata blue Sight Seeing, my garden

by warriorswisdomkathy Apr 12, 2012 4:38 AM

Yellow Hardhead in a Hilton, NY, garden

by placands Jul 8, 2014 8:40 PM

Yellow Knapweed flower bud.

by BlackSilver Jun 16, 2015 5:52 PM

Helsinki Botanical Garden. Photo courtesy of Karl Gercens. Copyright Karl Gercens. Conservatory Horticulturist at Longwood Gardens. http://www.karlgercens.com/

by Kell Jul 6, 2016 4:07 PM