Hemerocallis fulva (Day Lily)
|Also known as:||Orange Daylily|
|Habitat:||part shade, sun; fields, along roads and streams|
|Bloom season:||June - August|
|Plant height:||2 to 5 feet|
|Wetland Indicator Status:||GP: FACU MW: UPL NCNE: UPL|
|MN county distribution (click map to enlarge):|
|National distribution (click map to enlarge):|
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A panicle of 5 to 9 showy flowers, 3 to 4 inches across, made up of 3 petals and 3 petal-like sepals; the outer sepals are slightly narrower than the inner petals. All are orange with red streaks and turn to yellow at the throat. The petal edges are usually a bit crinkly or curled. 6 long stamens, curved near the tips, and a long straight style emerge from the center. Each flower lasts only 1 day, hence the name.
Leaves and stem:
Many sword-like leaves, 1 to 3 feet long and to 1¼ inches wide, surround the base of the plant, usually flopping over. The flowering stem is stout and naked except for a few widely spaced scale-like leaves. A plant may have multiple flowering stems.
Notes:Day Lily is one of those plants that was known to be invasive farther east but that was ignored. Left alone, it readily spreads and easily escapes garden settings. It can be found along roadsides in many more counties than the distribution map suggests, though it is more a problem plant in the Metro and southeast counties than farther north. As pest management goes, common dandelion spray can be quite effective if applied early in the season. Plants can then be dug up later in the season without too much difficulty, but all of the tubers must be removed or the plant will return the next year.
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Photos by K. Chayka taken at Long Lake Regional Park, New Brighton. Photos courtesy Peter M. Dziuk taken at Whitewater WMA, and in Hennepin County.
Have you seen this plant in Minnesota, or have any other comments about it?