BCP/Centaurea cyanus


Centaurea cyanus


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Profile for Centaurea cyanus (Bachelor's Button)
Identifying Characteristics
Flowers:Blue heads
Foliage:strap shaped
Life Cycle: annual

2007 Logs


2008 Logs


2010 Logs


(If there are more than 5 signatures under the recent logs heading, move the oldest logs to under this heading (generally leave the 3 most recent). </noinclude>

Recent Logs

(view all logs)

Global data:

Regional data:
Southwest Oregon: August
Central Pennsylvania: September
Aurora, Colorado area: May, June

Additional images:

Please contribute!
Please contribute!
This page is a profile for the plant species Centaurea cyanus, used to collect records of where and when this plant was observed blooming, and for providing identification information for use in dichotomous keys. If you would like to help collect data for this or other plants, see Bloom clock project/How to Contribute for orientation.