Field Thistle (Cirsium discolor)

Common names:
Give a thumbs up Field Thistle
Give a thumbs up Pasture Thistle

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Biennial
Sun Requirements: Full Sun
Plant Height: up to 6'
Flowers: Showy
Flower Color: Pink
Purple
Flower Time: Summer
Late summer or early fall
Wildlife Attractant: Bees
Butterflies

Image

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Location: central IllinoisDate: 2011-09-11
By jmorth
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Location: central IllinoisDate: 2011-09-10
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Location: central IllinoisDate: 2011-09-20
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Location: central IllinoisDate: 2011-09-10
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Location: central IllinoisDate: 2011-09-11
By jmorth
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Photo courtesy of: Tom Potterfield
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Photo courtesy of: Tom Potterfield
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Photo courtesy of: Tom Potterfield
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Location: Speyeria cybele (great spangled fritillary) on Cirsium discolor (field thistle), late seasonPhoto courtesy of: Tom Potterfield
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Comments:
Posted by jmorth (central Illinois) on Oct 30, 2011 2:17 AM

Plant is ranked as a noxious weed. Plant itself is quite 'prickly'. A robust plant. Preferred habitat - fields, pastures, roadsides, open woods, and degraded prairies.
The fluffy down from mature heads is used by the American Goldfinch as a favored nest lining.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Thistle by jmorth Sep 1, 2013 3:59 PM 7

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