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Common Daylily
COMMON NAME:
Common daylilySCIENTIFIC NAME:
Hemerocallis fulvaORIGIN:
AsiaDESCRIPTION:
Daylilies produce clusters of 5-9 large, showy orange flowers. Each individual flower exists only for one day. The flowering stalks grow 2-4 ft., while the long, grass-like leaves will grow to be 1-3 ft. long. Daylilies will spread through rhizomes, and will grow in dense clumps.HABITAT:
Introduced in the 19th century as an ornamental, and valued for being adaptable and “low maintenance”, daylilies are able to thrive in a variety of habitats. They can be found in human-dominated sites such as abandoned fields and roadsides, but will also invade natural habitats such as forests and meadows.THREAT:
Daylilies spread rapidly, producing clones through rhizomes. They form mats of tubers below ground and dense foliage, preventing any native plants from sprouting within a daylily patch.MANAGEMENT:
Daylily patches can be dug out of the ground. All the tubers must be removed and disposed of in a landfill. Herbicides may also be used through foliar applications.
WNY PRISM PRIORITY:
- Tier 4 - Local Control
- NYS Invasive Species Tiers Chart
ADDITIONAL RESOURCES:
- Native Alternatives
- Canada lily (Lilium canadense)
- Wood lily (Lilium philadelphicum)
- Blue flag iris (Iris versicolor)
NYS Prohibited and Regulated Species - Part 575:
PATHWAYS OF INVASION:
REGIONAL DISTRIBUTION:
Unknown
MAP (via iMapInvasives):
This map shows confirmed observations (green points) submitted to the NYS Invasive Species Database. Absence of data does not necessarily mean absence of the species at that site, but that it has not been reported there. For more information, please visit iMapInvasives.