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Great Lakes Center, SAMC 319
SUNY Buffalo State
1300 Elmwood Ave., Buffalo, NY 14222

wnyprism@buffalostate.edu
(716) 878.4708

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Common Daylily

COMMON NAME:

Common daylily

SCIENTIFIC NAME:

Hemerocallis fulva

ORIGIN:

Asia

DESCRIPTION:

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

Invasive Species Priorities - Tier 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):