Plant ID forum: What is this weedy wildflower, small purple flowers that turn to fluff

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Name: Christie
43016 (Zone 6b)
Plays in the water.
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cwhitt
Jun 27, 2017 5:10 PM CST
What is this weedy wildflower, small purple flowers that turn to fluff?
Could it be milkweed, by any chance?



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Name: Rj
Just S of the twin cities of M (Zone 4b)
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crawgarden
Jun 27, 2017 5:29 PM CST
Looks like some sort of thistle...maybe this one: Purple Thistle (Cirsium horridulum)

Family: Aster (Asteraceae)
Hardiness: North, Central and South Florida
Growth Habit: Basal leaves 12-18 inches wide that form a round rosette. Flowers grow on 1- to 3-foot flower spikes in springtime. All parts of the plant, including seeds, have sharp spines.
Soil: Thistles are very drought tolerant.
Exposure: Full sun or light shade
Garden tips: Preserve natural stands of thistles that occur in areas not regularly mowed. They coexist well with lovegrass, and their flowers are long-lived. After flowering, the plants retain interest by forming cottony white seed heads that shatter to the wind. Purple thistle is the host plant for the little metalmark caterpillar and is visited by many butterflies, including swallowtails.
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[Last edited by crawgarden - Jun 27, 2017 5:30 PM (+)]
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Name: Lin
Florida Zone 9b, 10a

Region: United States of America Deer Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database!
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plantladylin
Jun 27, 2017 5:45 PM CST
I agree, possibly Canada Thistle (Cirsium arvense)
More photos here: http://bygl.osu.edu/bygl_archi...
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Name: Christie
43016 (Zone 6b)
Plays in the water.
Amaryllis Sempervivums Roses Bookworm Annuals Composter
Hybridizer Cat Lover Garden Ideas: Master Level
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cwhitt
Jun 27, 2017 6:17 PM CST
Looking at both of those, I expect it is Canadian Thistle - I live in Ohio and I just read it is common here. And the photos match. Thank you to both of you!!!
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