Persian Cornflower, Knapweed (Centaurea hypoleuca)

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naturepatch Morris, IL(Zone 5b) May 19, 2002

Long blooming and fragrant. Foliage lance shaped, pinnatifid, wavy-edged, green with white underneath.

Common name: Persian Cornflower, Knapweed
Family: Asteraceae/Compositae
Genus: Centaurea
Species hypoleuca

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Post #29829
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PAplanter Erie, PA Aug 10, 2003

I was just wondering on the picture and information of the above Knapweed ...the height was given at 24-36 inches....I have what I think is the same plant( 2 or 3 plants) ...but they are 6 feet or 7 feet tall in my yard....plants grew there wild...they contain 100 or so flowers on each plant...Do you think they are Knapweed or something else ???
the picture that I am comparing it to is

Viewing an Image of...
Common name: Persian Cornflower, Knapweed
Family: Asteraceae
Genus: Centaurea
Species dealbata
I will try and take a picture of them....but I dont have digital stuff...can anyone help me in identifing what I have growing....Tom in Pennsylvania

Post #610667
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naturepatch Morris, IL(Zone 5b) Aug 10, 2003

I doubt that it is the same plant, but there are lots of different types of knapweed/cornflower. I know there is a yellow one in the same family that gets really tall. I can't remember if I've read of a pink one for sure, but I think I have. This one is a fairly common variety. Usually covered in blooms from late spring to mid-summer. Nice, because it fills in a couple of blooming gaps.

naturepatch

Post #610763
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PAplanter Erie, PA Aug 20, 2003

Naturepatch , thanks for the response...the plant is now in its second or third week of flowering...bees sure love it...
hope some of my pictures turn out...it sure looks like the one I was talking about...but your right ...there are plenty of others that are similar.....talk to you later ........Tom in Pa (PAplanter)

Post #621619
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mpk Sep 27, 2003

What form of knapp weed is this beauty?
4foot tall, 4 inch flowers. wet soil, western New Mexico mountains 5,000 ft.

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