Do you have to deadhead the flowers on Bachelors Button perennials?
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Posted in flowering perennials | 
Tags: bachelor's, Bachelors Button, button, Deadhead, FLOWERS, Perennials
2 Responses to “Do you have to deadhead the flowers on Bachelors Button perennials?”
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Bachelors Button, Centaurea cyanus, is an annual plant, which means it grows from seed, flowers and dies in the span of one growing season. Therefore it’s not perennial. If you deadhead an annual like this it will not come back to boom again in the fall as with most perennials.
The best way to extend your bloom time on this plant is to snip off the flowers the moment they fade. Allow none to wither and begin forming seed. This seed making process tells the plant the season is over and stop making new buds. If you promptly pinch off the wilted flowers and feed it well at the same time, you can fool an annual into blooming for a much longer time. If you allow the last few flowers to go to seed at season’s end, they may produce enough for the plant to self sow for a free crop of volunteers next year.
Here are all the details you need for Bachelors Button:
http://www.learn2grow.com/plantdatabase/plants/PlantDetails.aspx?PlantID=5b341e7a-e301-41e7-8ccd-a326319e1598
I know the bachelors button perennials you are talking about and they are perennials and not the annual type like the other answerer said. No you do not have to dead head them. They are of Centuarea family. I have all three colors of them, white, red, and blue and just love how they come back every year. I love the Red ones the best because of the flower they put out. Here is a website for you also in case you need it.
http://www.denverplants.com/perennials/html/centa_mon.htm
Hope this helps you!!