| tawny daylily | USDA PLANTS Symbol: HEFU U.S. Nativity: Exotic Habit: Forbs/Herbs |
| Hemerocallis fulva (L.) L. |
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Taxonomic Rank: Liliopsida: Liliales: Liliaceae |
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| Synonym(s): orange daylily, tawny daylily, common daylily | |
| Native Range: Europe, Asia (BAIL); | |
Orange daylily is a popular ornamental that has escaped to invade natural and disturbed areas throughout the United States. Plants are 2-4 ft. (0.6-1.2 m) tall with round stems. Leaves are grass-like, bright-green, 1-3 ft. (0.3-1 m) long and curve toward the ground. Flowers develop in the summer and are large, showy, and orange in color. Flowers occur in clusters of 5-9 at the apex of the stalk. Flowers in a cluster open one at a time and only for one day each. Flowers may have spots or stripes. Many cultivars of daylily now exist in a wide variety of sizes and flower colors. Orange daylily infestations often occur adjacent to plantings or at old homesites. Areas invaded include meadows, forests, floodplains, ditches, and forest edges. Once established, the thick tubers make control difficult. Orange daylily is native to Asia and was introduced into the United States in the late 19th century as an ornamental. |
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Identification, Biology, Control and Management Resources
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| Selected Images from Invasive.org | View All Images at Invasive.org |
 Plant(s); Britt Slattery, US Fish and Wildlife Service, Bugwood.org Additional Resolutions & Image Usage |
 Foliage; Theodore Webster, USDA Agricultural Research Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); base of plant. Theodore Webster, USDA Agricultural Research Service, Bugwood.org Additional Resolutions & Image Usage |
 Plant(s); base of plant Ohio State Weed Lab Archive, The Ohio State University, Bugwood.org Additional Resolutions & Image Usage |
 Stem(s); Stem and bract Dan Tenaglia, Missouriplants.com, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Dan Tenaglia, Missouriplants.com, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Ricky Layson, Ricky Layson Photography, Bugwood.org Additional Resolutions & Image Usage |
 Flower(s); Stamens close-up Dan Tenaglia, Missouriplants.com, Bugwood.org Additional Resolutions & Image Usage |
 Fruit(s); fruits and seeds Ken Chamberlain, The Ohio State University, Bugwood.org Additional Resolutions & Image Usage |
| EDDMapS Distribution: This map is incomplete and is based only on current site and county level reports made by experts and records obtained from USDA Plants Database. For more information, visit www.eddmaps.org Alternative content
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 State(s) Where Reported invasive. Based on state level agency and organization lists of invasive plants from WeedUS database. Alternative content
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