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Kendall County (IL) Forest Preserve District Purple
Loosestrife The
non-native (European) Purple Loosestrife is common (unfortunately) in
our area. It is an invasive
that keeps trying to move into our natural wetlands. It prefers full or partial sun, wet to moist conditions and
a mucky soil. Habitats include fens, marshes, disturbed wetlands and mudflats
along the Fox River and other streams. This
perennial
is 2-5' tall, branching frequently below the inflorescence. The leaves are usually opposite, less
often whorled
in 3's. The lower leaves are up to 4" long and ¾" across,
lance-shaped, untoothed, slightly hairy and clasping the stems. The upper
stems terminate in ½–2' long spikes of 6-petal purple flowers about ½–1"
across.
Purple Loosestrife at Subat Forest Preserve July 1, 2013
Purple Loosestrife at Blackberry Trail Forest Preserve July 17, 2015
Purple Loosestrife at Blackberry Trail Forest Preserve July 17, 2015
Purple Loosestrife at Blackberry Trail Forest Preserve August 15, 2013
Purple Loosetrife along Fox River September 17, 2013
Purple Loosetrife along Fox River September 17, 2013
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